Class ExpressionUnsafe

Provides factory methods for expressions that bypass argument validation. These factory methods should be used with extreme caution, only if type safety guarantees are provided elsewhere. A typical use of these factory methods is for expression deserialization.

Inheritance

System.Object

ExpressionUnsafe

Namespace: System.Linq.Expressions

Assembly: Nuqleon.Linq.CompilerServices.dll

Syntax

public sealed class ExpressionUnsafe : Expression

Methods

ArrayAccess(Expression, IEnumerable<Expression>)

Creates an System.Linq.Expressions.IndexExpression to access a multidimensional array.

Declaration

public static IndexExpression ArrayAccess(Expression array, IEnumerable<Expression> indexes)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	array	An expression that represents the multidimensional array.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	indexes	An System.Collections.Generic.IEnumerable<> containing expressions used to index the array.

Returns

Type	Description
System.Linq.Expressions.IndexExpression	The created System.Linq.Expressions.IndexExpression.

ArrayAccess(Expression, Expression[])

Creates an System.Linq.Expressions.IndexExpression to access an array.

Declaration

public static IndexExpression ArrayAccess(Expression array, Expression[] indexes)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	array	An expression representing the array to index.
System.Linq.Expressions.Expression[]	indexes	An array that contains expressions used to index the array.

Returns

Type	Description
System.Linq.Expressions.IndexExpression	The created System.Linq.Expressions.IndexExpression.

ArrayIndex(Expression, IEnumerable<Expression>)

Creates a System.Linq.Expressions.MethodCallExpression that represents applying an array index operator to an array of rank more than one.

Declaration

public static MethodCallExpression ArrayIndex(Expression array, IEnumerable<Expression> indexes)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	array	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.MethodCallExpression.Object property equal to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	indexes	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.MethodCallExpression.Arguments collection.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Object and System.Linq.Expressions.MethodCallExpression.Arguments properties set to the specified values.

ArrayIndex(Expression, Expression)

Creates a BinaryExpression that represents applying an array index operator to an array of rank one.

Declaration

public static BinaryExpression ArrayIndex(Expression array, Expression index)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	array	An Expression to set the Left property equal to.
System.Linq.Expressions.Expression	index	An Expression to set the Right property equal to.

Returns

Type	Description
System.Linq.Expressions.BinaryExpression	A BinaryExpression that has the NodeType property equal to ArrayIndex and the Left and Right properties set to the specified values.

ArrayIndex(Expression, Expression[])

Creates a System.Linq.Expressions.MethodCallExpression that represents applying an array index operator to a multidimensional array.

Declaration

public static MethodCallExpression ArrayIndex(Expression array, Expression[] indexes)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	array	An array of System.Linq.Expressions.Expression instances - indexes for the array index operation.
System.Linq.Expressions.Expression[]	indexes	An array of System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.MethodCallExpression.Arguments collection.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Object and System.Linq.Expressions.MethodCallExpression.Arguments properties set to the specified values.

ArrayLength(Expression)

Creates a System.Linq.Expressions.UnaryExpression that represents an expression for obtaining the length of a one-dimensional array.

Declaration

public static UnaryExpression ArrayLength(Expression array)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	array	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.UnaryExpression.Operand property equal to.

Returns

Type	Description
System.Linq.Expressions.UnaryExpression	A System.Linq.Expressions.UnaryExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.ArrayLength and the System.Linq.Expressions.UnaryExpression.Operand property equal to array.

Exceptions

Type	Condition
System.ArgumentNullException	array is null.
System.ArgumentException	array.Type does not represent an array type.

Bind(MemberInfo, Expression)

Creates a System.Linq.Expressions.MemberAssignment that represents the initialization of a field or property.

Declaration

public static MemberAssignment Bind(MemberInfo member, Expression expression)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	member	A System.Reflection.MemberInfo to set the System.Linq.Expressions.MemberBinding.Member property equal to.
System.Linq.Expressions.Expression	expression	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.MemberAssignment.Expression property equal to.

Returns

Type	Description
System.Linq.Expressions.MemberAssignment	A System.Linq.Expressions.MemberAssignment that has System.Linq.Expressions.MemberBinding.BindingType equal to System.Linq.Expressions.MemberBindingType.Assignment and the System.Linq.Expressions.MemberBinding.Member and System.Linq.Expressions.MemberAssignment.Expression properties set to the specified values.

Bind(MethodInfo, Expression)

Creates a System.Linq.Expressions.MemberAssignment that represents the initialization of a member by using a property accessor method.

Declaration

public static MemberAssignment Bind(MethodInfo propertyAccessor, Expression expression)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	propertyAccessor	A System.Reflection.MethodInfo that represents a property accessor method.
System.Linq.Expressions.Expression	expression	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.MemberAssignment.Expression property equal to.

Returns

Type

Description

System.Linq.Expressions.MemberAssignment

A System.Linq.Expressions.MemberAssignment that has the System.Linq.Expressions.MemberBinding.BindingType property equal to System.Linq.Expressions.MemberBindingType.Assignment, the System.Linq.Expressions.MemberBinding.Member property set to the System.Reflection.PropertyInfo that represents the property accessed in propertyAccessor, and the System.Linq.Expressions.MemberAssignment.Expression property set to expression.

Call(Expression, MethodInfo)

Creates a System.Linq.Expressions.MethodCallExpression that represents a call to a method that takes no arguments.

Declaration

public static MethodCallExpression Call(Expression instance, MethodInfo method)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	instance	An System.Linq.Expressions.Expression that specifies the instance for an instance method call (pass null for a static (Shared in Visual Basic) method).
System.Reflection.MethodInfo	method	A System.Reflection.MethodInfo to set the System.Linq.Expressions.MethodCallExpression.Method property equal to.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Object and System.Linq.Expressions.MethodCallExpression.Method properties set to the specified values.

Call(Expression, MethodInfo, IEnumerable<Expression>)

Creates a System.Linq.Expressions.MethodCallExpression that represents a call to a method that takes arguments.

Declaration

public static MethodCallExpression Call(Expression instance, MethodInfo method, IEnumerable<Expression> arguments)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	instance	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.MethodCallExpression.Object property equal to (pass null for a static (Shared in Visual Basic) method).
System.Reflection.MethodInfo	method	A System.Reflection.MethodInfo to set the System.Linq.Expressions.MethodCallExpression.Method property equal to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.MethodCallExpression.Arguments collection.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Object, System.Linq.Expressions.MethodCallExpression.Method, and System.Linq.Expressions.MethodCallExpression.Arguments properties set to the specified values.

Call(Expression, MethodInfo, Expression, Expression)

Creates a System.Linq.Expressions.MethodCallExpression that represents a call to a method that takes two arguments.

Declaration

public static MethodCallExpression Call(Expression instance, MethodInfo method, Expression arg0, Expression arg1)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	instance	An System.Linq.Expressions.Expression that specifies the instance for an instance call. (pass null for a static (Shared in Visual Basic) method).
System.Reflection.MethodInfo	method	The System.Reflection.MethodInfo that represents the target method.
System.Linq.Expressions.Expression	arg0	The System.Linq.Expressions.Expression that represents the first argument.
System.Linq.Expressions.Expression	arg1	The System.Linq.Expressions.Expression that represents the second argument.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Object and System.Linq.Expressions.MethodCallExpression.Method properties set to the specified values.

Call(Expression, MethodInfo, Expression, Expression, Expression)

Creates a System.Linq.Expressions.MethodCallExpression that represents a call to a method that takes three arguments.

Declaration

public static MethodCallExpression Call(Expression instance, MethodInfo method, Expression arg0, Expression arg1, Expression arg2)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	instance	An System.Linq.Expressions.Expression that specifies the instance for an instance call. (pass null for a static (Shared in Visual Basic) method).
System.Reflection.MethodInfo	method	The System.Reflection.MethodInfo that represents the target method.
System.Linq.Expressions.Expression	arg0	The System.Linq.Expressions.Expression that represents the first argument.
System.Linq.Expressions.Expression	arg1	The System.Linq.Expressions.Expression that represents the second argument.
System.Linq.Expressions.Expression	arg2	The System.Linq.Expressions.Expression that represents the third argument.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Object and System.Linq.Expressions.MethodCallExpression.Method properties set to the specified values.

Call(Expression, MethodInfo, Expression[])

Creates a System.Linq.Expressions.MethodCallExpression that represents a call to a method that takes arguments.

Declaration

public static MethodCallExpression Call(Expression instance, MethodInfo method, Expression[] arguments)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	instance	An System.Linq.Expressions.Expression that specifies the instance fo an instance method call (pass null for a static (Shared in Visual Basic) method).
System.Reflection.MethodInfo	method	A System.Reflection.MethodInfo to set the System.Linq.Expressions.MethodCallExpression.Method property equal to.
System.Linq.Expressions.Expression[]	arguments	An array of System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.MethodCallExpression.Arguments collection.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Object, System.Linq.Expressions.MethodCallExpression.Method, and System.Linq.Expressions.MethodCallExpression.Arguments properties set to the specified values.

Call(MethodInfo, IEnumerable<Expression>)

Creates a System.Linq.Expressions.MethodCallExpression that represents a call to a static (Shared in Visual Basic) method.

Declaration

public static MethodCallExpression Call(MethodInfo method, IEnumerable<Expression> arguments)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	method	The System.Reflection.MethodInfo that represents the target method.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	A collection of System.Linq.Expressions.Expression that represents the call arguments.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Object and System.Linq.Expressions.MethodCallExpression.Method properties set to the specified values.

Call(MethodInfo, Expression)

Creates a System.Linq.Expressions.MethodCallExpression that represents a call to a static (Shared in Visual Basic) method that takes one argument.

Declaration

public static MethodCallExpression Call(MethodInfo method, Expression arg0)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	method	A System.Reflection.MethodInfo to set the System.Linq.Expressions.MethodCallExpression.Method property equal to.
System.Linq.Expressions.Expression	arg0	The System.Linq.Expressions.Expression that represents the first argument.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Object and System.Linq.Expressions.MethodCallExpression.Method properties set to the specified values.

Call(MethodInfo, Expression, Expression)

Creates a System.Linq.Expressions.MethodCallExpression that represents a call to a static method that takes two arguments.

Declaration

public static MethodCallExpression Call(MethodInfo method, Expression arg0, Expression arg1)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	method	A System.Reflection.MethodInfo to set the System.Linq.Expressions.MethodCallExpression.Method property equal to.
System.Linq.Expressions.Expression	arg0	The System.Linq.Expressions.Expression that represents the first argument.
System.Linq.Expressions.Expression	arg1	The System.Linq.Expressions.Expression that represents the second argument.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Object and System.Linq.Expressions.MethodCallExpression.Method properties set to the specified values.

Call(MethodInfo, Expression, Expression, Expression)

Creates a System.Linq.Expressions.MethodCallExpression that represents a call to a static method that takes three arguments.

Declaration

public static MethodCallExpression Call(MethodInfo method, Expression arg0, Expression arg1, Expression arg2)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	method	A System.Reflection.MethodInfo to set the System.Linq.Expressions.MethodCallExpression.Method property equal to.
System.Linq.Expressions.Expression	arg0	The System.Linq.Expressions.Expression that represents the first argument.
System.Linq.Expressions.Expression	arg1	The System.Linq.Expressions.Expression that represents the second argument.
System.Linq.Expressions.Expression	arg2	The System.Linq.Expressions.Expression that represents the third argument.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Object and System.Linq.Expressions.MethodCallExpression.Method properties set to the specified values.

Call(MethodInfo, Expression, Expression, Expression, Expression)

Creates a System.Linq.Expressions.MethodCallExpression that represents a call to a static method that takes four arguments.

Declaration

public static MethodCallExpression Call(MethodInfo method, Expression arg0, Expression arg1, Expression arg2, Expression arg3)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	method	A System.Reflection.MethodInfo to set the System.Linq.Expressions.MethodCallExpression.Method property equal to.
System.Linq.Expressions.Expression	arg0	The System.Linq.Expressions.Expression that represents the first argument.
System.Linq.Expressions.Expression	arg1	The System.Linq.Expressions.Expression that represents the second argument.
System.Linq.Expressions.Expression	arg2	The System.Linq.Expressions.Expression that represents the third argument.
System.Linq.Expressions.Expression	arg3	The System.Linq.Expressions.Expression that represents the fourth argument.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Object and System.Linq.Expressions.MethodCallExpression.Method properties set to the specified values.

Call(MethodInfo, Expression, Expression, Expression, Expression, Expression)

Creates a System.Linq.Expressions.MethodCallExpression that represents a call to a static method that takes five arguments.

Declaration

public static MethodCallExpression Call(MethodInfo method, Expression arg0, Expression arg1, Expression arg2, Expression arg3, Expression arg4)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	method	A System.Reflection.MethodInfo to set the System.Linq.Expressions.MethodCallExpression.Method property equal to.
System.Linq.Expressions.Expression	arg0	The System.Linq.Expressions.Expression that represents the first argument.
System.Linq.Expressions.Expression	arg1	The System.Linq.Expressions.Expression that represents the second argument.
System.Linq.Expressions.Expression	arg2	The System.Linq.Expressions.Expression that represents the third argument.
System.Linq.Expressions.Expression	arg3	The System.Linq.Expressions.Expression that represents the fourth argument.
System.Linq.Expressions.Expression	arg4	The System.Linq.Expressions.Expression that represents the fifth argument.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Object and System.Linq.Expressions.MethodCallExpression.Method properties set to the specified values.

Call(MethodInfo, Expression[])

Creates a System.Linq.Expressions.MethodCallExpression that represents a call to a static (Shared in Visual Basic) method that has arguments.

Declaration

public static MethodCallExpression Call(MethodInfo method, Expression[] arguments)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	method	A System.Reflection.MethodInfo that represents a static (Shared in Visual Basic) method to set the System.Linq.Expressions.MethodCallExpression.Method property equal to.
System.Linq.Expressions.Expression[]	arguments	An array of System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.MethodCallExpression.Arguments collection.

Returns

Type	Description
System.Linq.Expressions.MethodCallExpression	A System.Linq.Expressions.MethodCallExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Call and the System.Linq.Expressions.MethodCallExpression.Method and System.Linq.Expressions.MethodCallExpression.Arguments properties set to the specified values.

Condition(Expression, Expression, Expression)

Creates a System.Linq.Expressions.ConditionalExpression that represents a conditional statement.

Declaration

public static ConditionalExpression Condition(Expression test, Expression ifTrue, Expression ifFalse)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	test	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.ConditionalExpression.Test property equal to.
System.Linq.Expressions.Expression	ifTrue	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.ConditionalExpression.IfTrue property equal to.
System.Linq.Expressions.Expression	ifFalse	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.ConditionalExpression.IfFalse property equal to.

Returns

Type	Description
System.Linq.Expressions.ConditionalExpression	A System.Linq.Expressions.ConditionalExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Conditional and the System.Linq.Expressions.ConditionalExpression.Test, System.Linq.Expressions.ConditionalExpression.IfTrue, and System.Linq.Expressions.ConditionalExpression.IfFalse properties set to the specified values.

Condition(Expression, Expression, Expression, Type)

Creates a System.Linq.Expressions.ConditionalExpression that represents a conditional statement.

Declaration

public static ConditionalExpression Condition(Expression test, Expression ifTrue, Expression ifFalse, Type type)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	test	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.ConditionalExpression.Test property equal to.
System.Linq.Expressions.Expression	ifTrue	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.ConditionalExpression.IfTrue property equal to.
System.Linq.Expressions.Expression	ifFalse	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.ConditionalExpression.IfFalse property equal to.
System.Type	type	A System.Linq.Expressions.Expression.Type to set the System.Linq.Expressions.Expression.Type property equal to.

Returns

Type	Description
System.Linq.Expressions.ConditionalExpression	A System.Linq.Expressions.ConditionalExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Conditional and the System.Linq.Expressions.ConditionalExpression.Test, System.Linq.Expressions.ConditionalExpression.IfTrue, and System.Linq.Expressions.ConditionalExpression.IfFalse properties set to the specified values.

ElementInit(MethodInfo, IEnumerable<Expression>)

Creates an System.Linq.Expressions.ElementInit, given an System.Collections.Generic.IEnumerable<> as the second argument.

Declaration

public static ElementInit ElementInit(MethodInfo addMethod, IEnumerable<Expression> arguments)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	addMethod	A System.Reflection.MethodInfo to set the System.Linq.Expressions.ElementInit.AddMethod property equal to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.Expression objects to set the System.Linq.Expressions.ElementInit.Arguments property equal to.

Returns

Type	Description
System.Linq.Expressions.ElementInit	An System.Linq.Expressions.ElementInit that has the System.Linq.Expressions.ElementInit.AddMethod and System.Linq.Expressions.ElementInit.Arguments properties set to the specified values.

ElementInit(MethodInfo, Expression[])

Creates an System.Linq.Expressions.ElementInit, given an array of values as the second argument.

Declaration

public static ElementInit ElementInit(MethodInfo addMethod, Expression[] arguments)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	addMethod	A System.Reflection.MethodInfo to set the System.Linq.Expressions.ElementInit.AddMethod property equal to.
System.Linq.Expressions.Expression[]	arguments	An array of System.Linq.Expressions.Expression objects to set the System.Linq.Expressions.ElementInit.Arguments property equal to.

Returns

Type	Description
System.Linq.Expressions.ElementInit	An System.Linq.Expressions.ElementInit that has the System.Linq.Expressions.ElementInit.AddMethod and System.Linq.Expressions.ElementInit.Arguments properties set to the specified values.

IfThen(Expression, Expression)

Creates a System.Linq.Expressions.ConditionalExpression that represents a conditional block with an if statement.

Declaration

public static ConditionalExpression IfThen(Expression test, Expression ifTrue)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	test	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.ConditionalExpression.Test property equal to.
System.Linq.Expressions.Expression	ifTrue	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.ConditionalExpression.IfTrue property equal to.

Returns

Type

Description

System.Linq.Expressions.ConditionalExpression

A System.Linq.Expressions.ConditionalExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Conditional and the System.Linq.Expressions.ConditionalExpression.Test, System.Linq.Expressions.ConditionalExpression.IfTrue, properties set to the specified values. The System.Linq.Expressions.ConditionalExpression.IfFalse property is set to default expression and the type of the resulting System.Linq.Expressions.ConditionalExpression returned by this method is System.Void.

IfThenElse(Expression, Expression, Expression)

Creates a System.Linq.Expressions.ConditionalExpression that represents a conditional block with if and else statements.

Declaration

public static ConditionalExpression IfThenElse(Expression test, Expression ifTrue, Expression ifFalse)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	test	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.ConditionalExpression.Test property equal to.
System.Linq.Expressions.Expression	ifTrue	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.ConditionalExpression.IfTrue property equal to.
System.Linq.Expressions.Expression	ifFalse	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.ConditionalExpression.IfFalse property equal to.

Returns

Type

Description

System.Linq.Expressions.ConditionalExpression

A System.Linq.Expressions.ConditionalExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Conditional and the System.Linq.Expressions.ConditionalExpression.Test, System.Linq.Expressions.ConditionalExpression.IfTrue, and System.Linq.Expressions.ConditionalExpression.IfFalse properties set to the specified values. The type of the resulting System.Linq.Expressions.ConditionalExpression returned by this method is System.Void.

Invoke(Expression, IEnumerable<Expression>)

Creates an System.Linq.Expressions.InvocationExpression that applies a delegate or lambda expression to a list of argument expressions.

Declaration

public static InvocationExpression Invoke(Expression expression, IEnumerable<Expression> arguments)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	expression	An System.Linq.Expressions.Expression that represents the delegate or lambda expression to be applied to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.Expression objects that represent the arguments that the delegate or lambda expression is applied to.

Returns

Type	Description
System.Linq.Expressions.InvocationExpression	An System.Linq.Expressions.InvocationExpression that applies the specified delegate or lambda expression to the provided arguments.

Invoke(Expression, Expression[])

Creates an System.Linq.Expressions.InvocationExpression that applies a delegate or lambda expression to a list of argument expressions.

Declaration

public static InvocationExpression Invoke(Expression expression, Expression[] arguments)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	expression	An System.Linq.Expressions.Expression that represents the delegate or lambda expression to be applied.
System.Linq.Expressions.Expression[]	arguments	An array of System.Linq.Expressions.Expression objects that represent the arguments that the delegate or lambda expression is applied to.

Returns

Type	Description
System.Linq.Expressions.InvocationExpression	An System.Linq.Expressions.InvocationExpression that applies the specified delegate or lambda expression to the provided arguments.

Lambda(Expression, Boolean, IEnumerable<ParameterExpression>)

Creates a LambdaExpression by first constructing a delegate type.

Declaration

public static LambdaExpression Lambda(Expression body, bool tailCall, IEnumerable<ParameterExpression> parameters)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.Boolean	tailCall	A System.Boolean that indicates if tail call optimization will be applied when compiling the created expression.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	parameters	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.LambdaExpression	A System.Linq.Expressions.LambdaExpression that has the System.Linq.Expressions.LambdaExpression.NodeType property equal to Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Lambda(Expression, Boolean, ParameterExpression[])

Creates a LambdaExpression by first constructing a delegate type.

Declaration

public static LambdaExpression Lambda(Expression body, bool tailCall, ParameterExpression[] parameters)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.Boolean	tailCall	A System.Boolean that indicates if tail call optimization will be applied when compiling the created expression.
System.Linq.Expressions.ParameterExpression[]	parameters	An array that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.LambdaExpression	A System.Linq.Expressions.LambdaExpression that has the System.Linq.Expressions.LambdaExpression.NodeType property equal to Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Lambda(Expression, IEnumerable<ParameterExpression>)

Creates a LambdaExpression by first constructing a delegate type.

Declaration

public static LambdaExpression Lambda(Expression body, IEnumerable<ParameterExpression> parameters)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	parameters	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.LambdaExpression	A System.Linq.Expressions.LambdaExpression that has the System.Linq.Expressions.LambdaExpression.NodeType property equal to Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Lambda(Expression, ParameterExpression[])

Creates a System.Linq.Expressions.LambdaExpression by first constructing a delegate type.

Declaration

public static LambdaExpression Lambda(Expression body, ParameterExpression[] parameters)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.Linq.Expressions.ParameterExpression[]	parameters	An array of System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.LambdaExpression	A System.Linq.Expressions.LambdaExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Lambda(Expression, String, Boolean, IEnumerable<ParameterExpression>)

Creates a LambdaExpression by first constructing a delegate type.

Declaration

public static LambdaExpression Lambda(Expression body, string name, bool tailCall, IEnumerable<ParameterExpression> parameters)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.String	name	The name for the lambda. Used for emitting debug information.
System.Boolean	tailCall	A System.Boolean that indicates if tail call optimization will be applied when compiling the created expression.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	parameters	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.LambdaExpression	A System.Linq.Expressions.LambdaExpression that has the System.Linq.Expressions.LambdaExpression.NodeType property equal to Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Lambda(Expression, String, IEnumerable<ParameterExpression>)

Creates a LambdaExpression by first constructing a delegate type.

Declaration

public static LambdaExpression Lambda(Expression body, string name, IEnumerable<ParameterExpression> parameters)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.String	name	The name for the lambda. Used for emitting debug information.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	parameters	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.LambdaExpression	A System.Linq.Expressions.LambdaExpression that has the System.Linq.Expressions.LambdaExpression.NodeType property equal to Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Lambda(Type, Expression, Boolean, IEnumerable<ParameterExpression>)

Creates a LambdaExpression by first constructing a delegate type.

Declaration

public static LambdaExpression Lambda(Type delegateType, Expression body, bool tailCall, IEnumerable<ParameterExpression> parameters)

Parameters

Type	Name	Description
System.Type	delegateType	A System.Linq.Expressions.Expression.Type representing the delegate signature for the lambda.
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.Boolean	tailCall	A System.Boolean that indicates if tail call optimization will be applied when compiling the created expression.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	parameters	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.LambdaExpression	A System.Linq.Expressions.LambdaExpression that has the System.Linq.Expressions.LambdaExpression.NodeType property equal to Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Lambda(Type, Expression, Boolean, ParameterExpression[])

Creates a LambdaExpression by first constructing a delegate type.

Declaration

public static LambdaExpression Lambda(Type delegateType, Expression body, bool tailCall, ParameterExpression[] parameters)

Parameters

Type	Name	Description
System.Type	delegateType	A System.Linq.Expressions.Expression.Type representing the delegate signature for the lambda.
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.Boolean	tailCall	A System.Boolean that indicates if tail call optimization will be applied when compiling the created expression.
System.Linq.Expressions.ParameterExpression[]	parameters	An array that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.LambdaExpression	A System.Linq.Expressions.LambdaExpression that has the System.Linq.Expressions.LambdaExpression.NodeType property equal to Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Lambda(Type, Expression, IEnumerable<ParameterExpression>)

Creates a System.Linq.Expressions.LambdaExpression by first constructing a delegate type. It can be used when the delegate type is not known at compile time.

Declaration

public static LambdaExpression Lambda(Type delegateType, Expression body, IEnumerable<ParameterExpression> parameters)

Parameters

Type	Name	Description
System.Type	delegateType	A System.Type that represents a delegate signature for the lambda.
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	parameters	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.LambdaExpression	An object that represents a lambda expression which has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Lambda(Type, Expression, ParameterExpression[])

Creates a System.Linq.Expressions.LambdaExpression by first constructing a delegate type. It can be used when the delegate type is not known at compile time.

Declaration

public static LambdaExpression Lambda(Type delegateType, Expression body, ParameterExpression[] parameters)

Parameters

Type	Name	Description
System.Type	delegateType	A System.Type that represents a delegate signature for the lambda.
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.Linq.Expressions.ParameterExpression[]	parameters	An array of System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.LambdaExpression	An object that represents a lambda expression which has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Lambda(Type, Expression, String, Boolean, IEnumerable<ParameterExpression>)

Creates a LambdaExpression by first constructing a delegate type.

Declaration

public static LambdaExpression Lambda(Type delegateType, Expression body, string name, bool tailCall, IEnumerable<ParameterExpression> parameters)

Parameters

Type	Name	Description
System.Type	delegateType	A System.Linq.Expressions.Expression.Type representing the delegate signature for the lambda.
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.String	name	The name for the lambda. Used for emitting debug information.
System.Boolean	tailCall	A System.Boolean that indicates if tail call optimization will be applied when compiling the created expression.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	parameters	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.LambdaExpression	A System.Linq.Expressions.LambdaExpression that has the System.Linq.Expressions.LambdaExpression.NodeType property equal to Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Lambda(Type, Expression, String, IEnumerable<ParameterExpression>)

Creates a LambdaExpression by first constructing a delegate type.

Declaration

public static LambdaExpression Lambda(Type delegateType, Expression body, string name, IEnumerable<ParameterExpression> parameters)

Parameters

Type	Name	Description
System.Type	delegateType	A System.Linq.Expressions.Expression.Type representing the delegate signature for the lambda.
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.String	name	The name for the lambda. Used for emitting debug information.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	parameters	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.LambdaExpression	A System.Linq.Expressions.LambdaExpression that has the System.Linq.Expressions.LambdaExpression.NodeType property equal to Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Lambda<TDelegate>(Expression, Boolean, IEnumerable<ParameterExpression>)

Creates an System.Linq.Expressions.Expression<> where the delegate type is known at compile time.

Declaration

public static Expression<TDelegate> Lambda<TDelegate>(Expression body, bool tailCall, IEnumerable<ParameterExpression> parameters)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.Boolean	tailCall	A System.Boolean that indicates if tail call optimization will be applied when compiling the created expression.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	parameters	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.Expression<TDelegate>	An System.Linq.Expressions.Expression<> that has the System.Linq.Expressions.LambdaExpression.NodeType property equal to System.Linq.Expressions.ExpressionType.Lambdaand the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Type Parameters

Name	Description
TDelegate	The delegate type.

Lambda<TDelegate>(Expression, Boolean, ParameterExpression[])

Creates an System.Linq.Expressions.Expression<> where the delegate type is known at compile time.

Declaration

public static Expression<TDelegate> Lambda<TDelegate>(Expression body, bool tailCall, ParameterExpression[] parameters)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.Boolean	tailCall	A System.Boolean that indicates if tail call optimization will be applied when compiling the created expression.
System.Linq.Expressions.ParameterExpression[]	parameters	An array that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.Expression<TDelegate>	An System.Linq.Expressions.Expression<> that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Type Parameters

Name	Description
TDelegate	The delegate type.

Lambda<TDelegate>(Expression, IEnumerable<ParameterExpression>)

Creates an System.Linq.Expressions.Expression<> where the delegate type is known at compile time.

Declaration

public static Expression<TDelegate> Lambda<TDelegate>(Expression body, IEnumerable<ParameterExpression> parameters)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	parameters	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.Expression<TDelegate>	An System.Linq.Expressions.Expression<> that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Type Parameters

Name	Description
TDelegate	A delegate type.

Lambda<TDelegate>(Expression, ParameterExpression[])

Creates an System.Linq.Expressions.Expression<> where the delegate type is known at compile time.

Declaration

public static Expression<TDelegate> Lambda<TDelegate>(Expression body, ParameterExpression[] parameters)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.Linq.Expressions.ParameterExpression[]	parameters	An array of System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.Expression<TDelegate>	An System.Linq.Expressions.Expression<> that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Type Parameters

Name	Description
TDelegate	A delegate type.

Lambda<TDelegate>(Expression, String, Boolean, IEnumerable<ParameterExpression>)

Creates an System.Linq.Expressions.Expression<> where the delegate type is known at compile time.

Declaration

public static Expression<TDelegate> Lambda<TDelegate>(Expression body, string name, bool tailCall, IEnumerable<ParameterExpression> parameters)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.String	name	The name of the lambda. Used for generating debugging info.
System.Boolean	tailCall	A System.Boolean that indicates if tail call optimization will be applied when compiling the created expression.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	parameters	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.Expression<TDelegate>	An System.Linq.Expressions.Expression<> that has the System.Linq.Expressions.LambdaExpression.NodeType property equal to System.Linq.Expressions.ExpressionType.Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Type Parameters

Name	Description
TDelegate	The delegate type.

Lambda<TDelegate>(Expression, String, IEnumerable<ParameterExpression>)

Creates an System.Linq.Expressions.Expression<> where the delegate type is known at compile time.

Declaration

public static Expression<TDelegate> Lambda<TDelegate>(Expression body, string name, IEnumerable<ParameterExpression> parameters)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.LambdaExpression.Body property equal to.
System.String	name	The name of the lambda. Used for generating debugging information.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ParameterExpression>	parameters	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ParameterExpression objects to use to populate the System.Linq.Expressions.LambdaExpression.Parameters collection.

Returns

Type	Description
System.Linq.Expressions.Expression<TDelegate>	An System.Linq.Expressions.Expression<> that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.Lambda and the System.Linq.Expressions.LambdaExpression.Body and System.Linq.Expressions.LambdaExpression.Parameters properties set to the specified values.

Type Parameters

Name	Description
TDelegate	The delegate type.

ListBind(MemberInfo, IEnumerable<ElementInit>)

Creates a System.Linq.Expressions.MemberListBinding where the member is a field or property.

Declaration

public static MemberListBinding ListBind(MemberInfo member, IEnumerable<ElementInit> initializers)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	member	A System.Reflection.MemberInfo that represents a field or property to set the System.Linq.Expressions.MemberBinding.Member property equal to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ElementInit>	initializers	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ElementInit objects to use to populate the System.Linq.Expressions.MemberListBinding.Initializers collection.

Returns

Type	Description
System.Linq.Expressions.MemberListBinding	A System.Linq.Expressions.MemberListBinding that has the System.Linq.Expressions.MemberBinding.BindingType property equal to System.Linq.Expressions.MemberBindingType.ListBinding and the System.Linq.Expressions.MemberBinding.Member and System.Linq.Expressions.MemberListBinding.Initializers properties set to the specified values.

ListBind(MemberInfo, ElementInit[])

Creates a System.Linq.Expressions.MemberListBinding where the member is a field or property.

Declaration

public static MemberListBinding ListBind(MemberInfo member, ElementInit[] initializers)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	member	A System.Reflection.MemberInfo that represents a field or property to set the System.Linq.Expressions.MemberBinding.Member property equal to.
System.Linq.Expressions.ElementInit[]	initializers	An array of System.Linq.Expressions.ElementInit objects to use to populate the System.Linq.Expressions.MemberListBinding.Initializers collection.

Returns

Type	Description
System.Linq.Expressions.MemberListBinding	A System.Linq.Expressions.MemberListBinding that has the System.Linq.Expressions.MemberBinding.BindingType property equal to System.Linq.Expressions.MemberBindingType.ListBinding and the System.Linq.Expressions.MemberBinding.Member and System.Linq.Expressions.MemberListBinding.Initializers properties set to the specified values.

ListBind(MethodInfo, IEnumerable<ElementInit>)

Creates a System.Linq.Expressions.MemberListBinding based on a specified property accessor method.

Declaration

public static MemberListBinding ListBind(MethodInfo propertyAccessor, IEnumerable<ElementInit> initializers)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	propertyAccessor	A System.Reflection.MethodInfo that represents a property accessor method.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ElementInit>	initializers	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ElementInit objects to use to populate the System.Linq.Expressions.MemberListBinding.Initializers collection.

Returns

Type

Description

System.Linq.Expressions.MemberListBinding

A System.Linq.Expressions.MemberListBinding that has the System.Linq.Expressions.MemberBinding.BindingType property equal to System.Linq.Expressions.MemberBindingType.ListBinding, the System.Linq.Expressions.MemberBinding.Member property set to the System.Reflection.MemberInfo that represents the property accessed in propertyAccessor, and System.Linq.Expressions.MemberListBinding.Initializers populated with the elements of initializers.

ListBind(MethodInfo, ElementInit[])

Creates a System.Linq.Expressions.MemberListBinding object based on a specified property accessor method.

Declaration

public static MemberListBinding ListBind(MethodInfo propertyAccessor, ElementInit[] initializers)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	propertyAccessor	A System.Reflection.MethodInfo that represents a property accessor method.
System.Linq.Expressions.ElementInit[]	initializers	An array of System.Linq.Expressions.ElementInit objects to use to populate the System.Linq.Expressions.MemberListBinding.Initializers collection.

Returns

Type

Description

System.Linq.Expressions.MemberListBinding

A System.Linq.Expressions.MemberListBinding that has the System.Linq.Expressions.MemberBinding.BindingType property equal to System.Linq.Expressions.MemberBindingType.ListBinding, the System.Linq.Expressions.MemberBinding.Member property set to the System.Reflection.MemberInfo that represents the property accessed in propertyAccessor, and System.Linq.Expressions.MemberListBinding.Initializers populated with the elements of initializers.

ListInit(NewExpression, IEnumerable<ElementInit>)

Creates a System.Linq.Expressions.ListInitExpression that uses specified System.Linq.Expressions.ElementInit objects to initialize a collection.

Declaration

public static ListInitExpression ListInit(NewExpression newExpression, IEnumerable<ElementInit> initializers)

Parameters

Type	Name	Description
System.Linq.Expressions.NewExpression	newExpression	A System.Linq.Expressions.NewExpression to set the System.Linq.Expressions.ListInitExpression.NewExpression property equal to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.ElementInit>	initializers	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.ElementInit objects to use to populate the System.Linq.Expressions.ListInitExpression.Initializers collection.

Returns

Type	Description
System.Linq.Expressions.ListInitExpression	A System.Linq.Expressions.ListInitExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.ListInit and the System.Linq.Expressions.ListInitExpression.NewExpression and System.Linq.Expressions.ListInitExpression.Initializers properties set to the specified values.

ListInit(NewExpression, ElementInit[])

Creates a System.Linq.Expressions.ListInitExpression that uses specified System.Linq.Expressions.ElementInit objects to initialize a collection.

Declaration

public static ListInitExpression ListInit(NewExpression newExpression, ElementInit[] initializers)

Parameters

Type	Name	Description
System.Linq.Expressions.NewExpression	newExpression	A System.Linq.Expressions.NewExpression to set the System.Linq.Expressions.ListInitExpression.NewExpression property equal to.
System.Linq.Expressions.ElementInit[]	initializers	An array of System.Linq.Expressions.ElementInit objects to use to populate the System.Linq.Expressions.ListInitExpression.Initializers collection.

Returns

Type	Description
System.Linq.Expressions.ListInitExpression	A System.Linq.Expressions.ListInitExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.ListInit and the System.Linq.Expressions.ListInitExpression.NewExpression and System.Linq.Expressions.ListInitExpression.Initializers properties set to the specified values.

ListInit(NewExpression, MethodInfo, IEnumerable<Expression>)

Creates a System.Linq.Expressions.ListInitExpression that uses a specified method to add elements to a collection.

Declaration

public static ListInitExpression ListInit(NewExpression newExpression, MethodInfo addMethod, IEnumerable<Expression> initializers)

Parameters

Type	Name	Description
System.Linq.Expressions.NewExpression	newExpression	A System.Linq.Expressions.NewExpression to set the System.Linq.Expressions.ListInitExpression.NewExpression property equal to.
System.Reflection.MethodInfo	addMethod	A System.Reflection.MethodInfo that represents an instance method named "Add" (case insensitive), that adds an element to a collection.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	initializers	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.ListInitExpression.Initializers collection.

Returns

Type	Description
System.Linq.Expressions.ListInitExpression	A System.Linq.Expressions.ListInitExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.ListInit and the System.Linq.Expressions.ListInitExpression.NewExpression property set to the specified value.

ListInit(NewExpression, MethodInfo, Expression[])

Creates a System.Linq.Expressions.ListInitExpression that uses a specified method to add elements to a collection.

Declaration

public static ListInitExpression ListInit(NewExpression newExpression, MethodInfo addMethod, Expression[] initializers)

Parameters

Type	Name	Description
System.Linq.Expressions.NewExpression	newExpression	A System.Linq.Expressions.NewExpression to set the System.Linq.Expressions.ListInitExpression.NewExpression property equal to.
System.Reflection.MethodInfo	addMethod	A System.Reflection.MethodInfo that represents an instance method that takes one argument, that adds an element to a collection.
System.Linq.Expressions.Expression[]	initializers	An array of System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.ListInitExpression.Initializers collection.

Returns

Type	Description
System.Linq.Expressions.ListInitExpression	A System.Linq.Expressions.ListInitExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.ListInit and the System.Linq.Expressions.ListInitExpression.NewExpression property set to the specified value.

MakeBinary(ExpressionType, Expression, Expression)

Creates a System.Linq.Expressions.BinaryExpression, given the left and right operands, by calling an appropriate factory method.

Declaration

public static BinaryExpression MakeBinary(ExpressionType binaryType, Expression left, Expression right)

Parameters

Type	Name	Description
System.Linq.Expressions.ExpressionType	binaryType	The System.Linq.Expressions.ExpressionType that specifies the type of binary operation.
System.Linq.Expressions.Expression	left	An System.Linq.Expressions.Expression that represents the left operand.
System.Linq.Expressions.Expression	right	An System.Linq.Expressions.Expression that represents the right operand.

Returns

Type	Description
System.Linq.Expressions.BinaryExpression	The System.Linq.Expressions.BinaryExpression that results from calling the appropriate factory method.

MakeBinary(ExpressionType, Expression, Expression, Boolean, MethodInfo)

Creates a System.Linq.Expressions.BinaryExpression, given the left and right operands, by calling an appropriate factory method.

Declaration

public static BinaryExpression MakeBinary(ExpressionType binaryType, Expression left, Expression right, bool liftToNull, MethodInfo method)

Parameters

Type	Name	Description
System.Linq.Expressions.ExpressionType	binaryType	The System.Linq.Expressions.ExpressionType that specifies the type of binary operation.
System.Linq.Expressions.Expression	left	An System.Linq.Expressions.Expression that represents the left operand.
System.Linq.Expressions.Expression	right	An System.Linq.Expressions.Expression that represents the right operand.
System.Boolean	liftToNull	true to set IsLiftedToNull to true; false to set IsLiftedToNull to false.
System.Reflection.MethodInfo	method	A System.Reflection.MethodInfo that specifies the implementing method.

Returns

Type	Description
System.Linq.Expressions.BinaryExpression	The System.Linq.Expressions.BinaryExpression that results from calling the appropriate factory method.

MakeBinary(ExpressionType, Expression, Expression, Boolean, MethodInfo, LambdaExpression)

Creates a System.Linq.Expressions.BinaryExpression, given the left and right operands, by calling an appropriate factory method.

Declaration

public static BinaryExpression MakeBinary(ExpressionType binaryType, Expression left, Expression right, bool liftToNull, MethodInfo method, LambdaExpression conversion)

Parameters

Type	Name	Description
System.Linq.Expressions.ExpressionType	binaryType	The System.Linq.Expressions.ExpressionType that specifies the type of binary operation.
System.Linq.Expressions.Expression	left	An System.Linq.Expressions.Expression that represents the left operand.
System.Linq.Expressions.Expression	right	An System.Linq.Expressions.Expression that represents the right operand.
System.Boolean	liftToNull	true to set IsLiftedToNull to true; false to set IsLiftedToNull to false.
System.Reflection.MethodInfo	method	A System.Reflection.MethodInfo that specifies the implementing method.
System.Linq.Expressions.LambdaExpression	conversion	A System.Linq.Expressions.LambdaExpression that represents a type conversion function. This parameter is used if binaryType is Coalesce or compound assignment.

Returns

Type	Description
System.Linq.Expressions.BinaryExpression	The System.Linq.Expressions.BinaryExpression that results from calling the appropriate factory method.

MakeIndex(Expression, PropertyInfo, IEnumerable<Expression>)

Creates an System.Linq.Expressions.IndexExpression that represents accessing an indexed property in an object.

Declaration

public static IndexExpression MakeIndex(Expression instance, PropertyInfo indexer, IEnumerable<Expression> arguments)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	instance	The object to which the property belongs. It should be null if the property is static (shared in Visual Basic).
System.Reflection.PropertyInfo	indexer	An System.Linq.Expressions.Expression representing the property to index.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	An IEnumerable<Expression> (IEnumerable (Of Expression) in Visual Basic) that contains the arguments that will be used to index the property.

Returns

Type	Description
System.Linq.Expressions.IndexExpression	The created System.Linq.Expressions.IndexExpression.

MakeUnary(ExpressionType, Expression, Type)

Creates a System.Linq.Expressions.UnaryExpression, given an operand, by calling the appropriate factory method.

Declaration

public static UnaryExpression MakeUnary(ExpressionType unaryType, Expression operand, Type type)

Parameters

Type	Name	Description
System.Linq.Expressions.ExpressionType	unaryType	The System.Linq.Expressions.ExpressionType that specifies the type of unary operation.
System.Linq.Expressions.Expression	operand	An System.Linq.Expressions.Expression that represents the operand.
System.Type	type	The System.Type that specifies the type to be converted to (pass null if not applicable).

Returns

Type	Description
System.Linq.Expressions.UnaryExpression	The System.Linq.Expressions.UnaryExpression that results from calling the appropriate factory method.

Exceptions

Type	Condition
System.ArgumentNullException	operand is null.
System.ArgumentException	unaryType does not correspond to a unary expression node.

MakeUnary(ExpressionType, Expression, Type, MethodInfo)

Creates a System.Linq.Expressions.UnaryExpression, given an operand and implementing method, by calling the appropriate factory method.

Declaration

public static UnaryExpression MakeUnary(ExpressionType unaryType, Expression operand, Type type, MethodInfo method)

Parameters

Type	Name	Description
System.Linq.Expressions.ExpressionType	unaryType	The System.Linq.Expressions.ExpressionType that specifies the type of unary operation.
System.Linq.Expressions.Expression	operand	An System.Linq.Expressions.Expression that represents the operand.
System.Type	type	The System.Type that specifies the type to be converted to (pass null if not applicable).
System.Reflection.MethodInfo	method	The System.Reflection.MethodInfo that represents the implementing method.

Returns

Type	Description
System.Linq.Expressions.UnaryExpression	The System.Linq.Expressions.UnaryExpression that results from calling the appropriate factory method.

Exceptions

Type	Condition
System.ArgumentNullException	operand is null.
System.ArgumentException	unaryType does not correspond to a unary expression node.

MemberBind(MemberInfo, IEnumerable<MemberBinding>)

Creates a System.Linq.Expressions.MemberMemberBinding that represents the recursive initialization of members of a field or property.

Declaration

public static MemberMemberBinding MemberBind(MemberInfo member, IEnumerable<MemberBinding> bindings)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	member	The System.Reflection.MemberInfo to set the System.Linq.Expressions.MemberBinding.Member property equal to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.MemberBinding>	bindings	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.MemberBinding objects to use to populate the System.Linq.Expressions.MemberMemberBinding.Bindings collection.

Returns

Type	Description
System.Linq.Expressions.MemberMemberBinding	A System.Linq.Expressions.MemberMemberBinding that has the System.Linq.Expressions.MemberBinding.BindingType property equal to System.Linq.Expressions.MemberBindingType.MemberBinding and the System.Linq.Expressions.MemberBinding.Member and System.Linq.Expressions.MemberMemberBinding.Bindings properties set to the specified values.

MemberBind(MemberInfo, MemberBinding[])

Creates a System.Linq.Expressions.MemberMemberBinding that represents the recursive initialization of members of a field or property.

Declaration

public static MemberMemberBinding MemberBind(MemberInfo member, MemberBinding[] bindings)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	member	The System.Reflection.MemberInfo to set the System.Linq.Expressions.MemberBinding.Member property equal to.
System.Linq.Expressions.MemberBinding[]	bindings	An array of System.Linq.Expressions.MemberBinding objects to use to populate the System.Linq.Expressions.MemberMemberBinding.Bindings collection.

Returns

Type	Description
System.Linq.Expressions.MemberMemberBinding	A System.Linq.Expressions.MemberMemberBinding that has the System.Linq.Expressions.MemberBinding.BindingType property equal to System.Linq.Expressions.MemberBindingType.MemberBinding and the System.Linq.Expressions.MemberBinding.Member and System.Linq.Expressions.MemberMemberBinding.Bindings properties set to the specified values.

MemberBind(MethodInfo, IEnumerable<MemberBinding>)

Creates a System.Linq.Expressions.MemberMemberBinding that represents the recursive initialization of members of a member that is accessed by using a property accessor method.

Declaration

public static MemberMemberBinding MemberBind(MethodInfo propertyAccessor, IEnumerable<MemberBinding> bindings)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	propertyAccessor	The System.Reflection.MethodInfo that represents a property accessor method.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.MemberBinding>	bindings	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.MemberBinding objects to use to populate the System.Linq.Expressions.MemberMemberBinding.Bindings collection.

Returns

Type

Description

System.Linq.Expressions.MemberMemberBinding

A System.Linq.Expressions.MemberMemberBinding that has the System.Linq.Expressions.MemberBinding.BindingType property equal to System.Linq.Expressions.MemberBindingType.MemberBinding, the System.Linq.Expressions.MemberBinding.Member property set to the System.Reflection.PropertyInfo that represents the property accessed in propertyAccessor, and System.Linq.Expressions.MemberMemberBinding.Bindings properties set to the specified values.

MemberBind(MethodInfo, MemberBinding[])

Creates a System.Linq.Expressions.MemberMemberBinding that represents the recursive initialization of members of a member that is accessed by using a property accessor method.

Declaration

public static MemberMemberBinding MemberBind(MethodInfo propertyAccessor, MemberBinding[] bindings)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	propertyAccessor	The System.Reflection.MethodInfo that represents a property accessor method.
System.Linq.Expressions.MemberBinding[]	bindings	An array of System.Linq.Expressions.MemberBinding objects to use to populate the System.Linq.Expressions.MemberMemberBinding.Bindings collection.

Returns

Type

Description

System.Linq.Expressions.MemberMemberBinding

A System.Linq.Expressions.MemberMemberBinding that has the System.Linq.Expressions.MemberBinding.BindingType property equal to System.Linq.Expressions.MemberBindingType.MemberBinding, the System.Linq.Expressions.MemberBinding.Member property set to the System.Reflection.PropertyInfo that represents the property accessed in propertyAccessor, and System.Linq.Expressions.MemberMemberBinding.Bindings properties set to the specified values.

MemberInit(NewExpression, IEnumerable<MemberBinding>)

Represents an expression that creates a new object and initializes a property of the object.

Declaration

public static MemberInitExpression MemberInit(NewExpression newExpression, IEnumerable<MemberBinding> bindings)

Parameters

Type	Name	Description
System.Linq.Expressions.NewExpression	newExpression	A System.Linq.Expressions.NewExpression to set the System.Linq.Expressions.MemberInitExpression.NewExpression property equal to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.MemberBinding>	bindings	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.MemberBinding objects to use to populate the System.Linq.Expressions.MemberInitExpression.Bindings collection.

Returns

Type	Description
System.Linq.Expressions.MemberInitExpression	A System.Linq.Expressions.MemberInitExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.MemberInit and the System.Linq.Expressions.MemberInitExpression.NewExpression and System.Linq.Expressions.MemberInitExpression.Bindings properties set to the specified values.

MemberInit(NewExpression, MemberBinding[])

Creates a System.Linq.Expressions.MemberInitExpression.

Declaration

public static MemberInitExpression MemberInit(NewExpression newExpression, MemberBinding[] bindings)

Parameters

Type	Name	Description
System.Linq.Expressions.NewExpression	newExpression	A System.Linq.Expressions.NewExpression to set the System.Linq.Expressions.MemberInitExpression.NewExpression property equal to.
System.Linq.Expressions.MemberBinding[]	bindings	An array of System.Linq.Expressions.MemberBinding objects to use to populate the System.Linq.Expressions.MemberInitExpression.Bindings collection.

Returns

Type	Description
System.Linq.Expressions.MemberInitExpression	A System.Linq.Expressions.MemberInitExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.MemberInit and the System.Linq.Expressions.MemberInitExpression.NewExpression and System.Linq.Expressions.MemberInitExpression.Bindings properties set to the specified values.

New(ConstructorInfo)

Creates a System.Linq.Expressions.NewExpression that represents calling the specified constructor that takes no arguments.

Declaration

public static NewExpression New(ConstructorInfo constructor)

Parameters

Type	Name	Description
System.Reflection.ConstructorInfo	constructor	The System.Reflection.ConstructorInfo to set the System.Linq.Expressions.NewExpression.Constructor property equal to.

Returns

Type	Description
System.Linq.Expressions.NewExpression	A System.Linq.Expressions.NewExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.New and the System.Linq.Expressions.NewExpression.Constructor property set to the specified value.

New(ConstructorInfo, IEnumerable<Expression>)

Creates a System.Linq.Expressions.NewExpression that represents calling the specified constructor with the specified arguments.

Declaration

public static NewExpression New(ConstructorInfo constructor, IEnumerable<Expression> arguments)

Parameters

Type	Name	Description
System.Reflection.ConstructorInfo	constructor	The System.Reflection.ConstructorInfo to set the System.Linq.Expressions.NewExpression.Constructor property equal to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.NewExpression.Arguments collection.

Returns

Type	Description
System.Linq.Expressions.NewExpression	A System.Linq.Expressions.NewExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.New and the System.Linq.Expressions.NewExpression.Constructor and System.Linq.Expressions.NewExpression.Arguments properties set to the specified values.

New(ConstructorInfo, IEnumerable<Expression>, IEnumerable<MemberInfo>)

Creates a System.Linq.Expressions.NewExpression that represents calling the specified constructor with the specified arguments. The members that access the constructor initialized fields are specified.

Declaration

public static NewExpression New(ConstructorInfo constructor, IEnumerable<Expression> arguments, IEnumerable<MemberInfo> members)

Parameters

Type	Name	Description
System.Reflection.ConstructorInfo	constructor	The System.Reflection.ConstructorInfo to set the System.Linq.Expressions.NewExpression.Constructor property equal to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.NewExpression.Arguments collection.
System.Collections.Generic.IEnumerable<System.Reflection.MemberInfo>	members	An System.Collections.Generic.IEnumerable<> that contains System.Reflection.MemberInfo objects to use to populate the System.Linq.Expressions.NewExpression.Members collection.

Returns

Type	Description
System.Linq.Expressions.NewExpression	A System.Linq.Expressions.NewExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.New and the System.Linq.Expressions.NewExpression.Constructor, System.Linq.Expressions.NewExpression.Arguments and System.Linq.Expressions.NewExpression.Members properties set to the specified values.

New(ConstructorInfo, IEnumerable<Expression>, MemberInfo[])

Creates a System.Linq.Expressions.NewExpression that represents calling the specified constructor with the specified arguments. The members that access the constructor initialized fields are specified as an array.

Declaration

public static NewExpression New(ConstructorInfo constructor, IEnumerable<Expression> arguments, MemberInfo[] members)

Parameters

Type	Name	Description
System.Reflection.ConstructorInfo	constructor	The System.Reflection.ConstructorInfo to set the System.Linq.Expressions.NewExpression.Constructor property equal to.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.NewExpression.Arguments collection.
System.Reflection.MemberInfo[]	members	An array of System.Reflection.MemberInfo objects to use to populate the System.Linq.Expressions.NewExpression.Members collection.

Returns

Type	Description
System.Linq.Expressions.NewExpression	A System.Linq.Expressions.NewExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.New and the System.Linq.Expressions.NewExpression.Constructor, System.Linq.Expressions.NewExpression.Arguments and System.Linq.Expressions.NewExpression.Members properties set to the specified values.

New(ConstructorInfo, Expression[])

Creates a System.Linq.Expressions.NewExpression that represents calling the specified constructor with the specified arguments.

Declaration

public static NewExpression New(ConstructorInfo constructor, Expression[] arguments)

Parameters

Type	Name	Description
System.Reflection.ConstructorInfo	constructor	The System.Reflection.ConstructorInfo to set the System.Linq.Expressions.NewExpression.Constructor property equal to.
System.Linq.Expressions.Expression[]	arguments	An array of System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.NewExpression.Arguments collection.

Returns

Type	Description
System.Linq.Expressions.NewExpression	A System.Linq.Expressions.NewExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.New and the System.Linq.Expressions.NewExpression.Constructor and System.Linq.Expressions.NewExpression.Arguments properties set to the specified values.

NewArrayBounds(Type, IEnumerable<Expression>)

Creates a System.Linq.Expressions.NewArrayExpression that represents creating an array that has a specified rank.

Declaration

public static NewArrayExpression NewArrayBounds(Type type, IEnumerable<Expression> bounds)

Parameters

Type	Name	Description
System.Type	type	A System.Type that represents the element type of the array.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	bounds	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.NewArrayExpression.Expressions collection.

Returns

Type	Description
System.Linq.Expressions.NewArrayExpression	A System.Linq.Expressions.NewArrayExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.NewArrayBounds and the System.Linq.Expressions.NewArrayExpression.Expressions property set to the specified value.

NewArrayBounds(Type, Expression[])

Creates a System.Linq.Expressions.NewArrayExpression that represents creating an array that has a specified rank.

Declaration

public static NewArrayExpression NewArrayBounds(Type type, Expression[] bounds)

Parameters

Type	Name	Description
System.Type	type	A System.Type that represents the element type of the array.
System.Linq.Expressions.Expression[]	bounds	An array of System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.NewArrayExpression.Expressions collection.

Returns

Type	Description
System.Linq.Expressions.NewArrayExpression	A System.Linq.Expressions.NewArrayExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.NewArrayBounds and the System.Linq.Expressions.NewArrayExpression.Expressions property set to the specified value.

NewArrayInit(Type, IEnumerable<Expression>)

Creates a System.Linq.Expressions.NewArrayExpression that represents creating a one-dimensional array and initializing it from a list of elements.

Declaration

public static NewArrayExpression NewArrayInit(Type type, IEnumerable<Expression> initializers)

Parameters

Type	Name	Description
System.Type	type	A System.Type that represents the element type of the array.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	initializers	An System.Collections.Generic.IEnumerable<> that contains System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.NewArrayExpression.Expressions collection.

Returns

Type	Description
System.Linq.Expressions.NewArrayExpression	A System.Linq.Expressions.NewArrayExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.NewArrayInit and the System.Linq.Expressions.NewArrayExpression.Expressions property set to the specified value.

NewArrayInit(Type, Expression[])

Creates a System.Linq.Expressions.NewArrayExpression that represents creating a one-dimensional array and initializing it from a list of elements.

Declaration

public static NewArrayExpression NewArrayInit(Type type, Expression[] initializers)

Parameters

Type	Name	Description
System.Type	type	A System.Type that represents the element type of the array.
System.Linq.Expressions.Expression[]	initializers	An array of System.Linq.Expressions.Expression objects to use to populate the System.Linq.Expressions.NewArrayExpression.Expressions collection.

Returns

Type	Description
System.Linq.Expressions.NewArrayExpression	A System.Linq.Expressions.NewArrayExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.NewArrayInit and the System.Linq.Expressions.NewArrayExpression.Expressions property set to the specified value.

Property(Expression, PropertyInfo, IEnumerable<Expression>)

Creates an System.Linq.Expressions.IndexExpression representing the access to an indexed property.

Declaration

public static IndexExpression Property(Expression instance, PropertyInfo indexer, IEnumerable<Expression> arguments)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	instance	The object to which the property belongs. If the property is static/shared, it must be null.
System.Reflection.PropertyInfo	indexer	The System.Reflection.PropertyInfo that represents the property to index.
System.Collections.Generic.IEnumerable<System.Linq.Expressions.Expression>	arguments	An System.Collections.Generic.IEnumerable<> of System.Linq.Expressions.Expression objects that are used to index the property.

Returns

Type	Description
System.Linq.Expressions.IndexExpression	The created System.Linq.Expressions.IndexExpression.

Property(Expression, PropertyInfo, Expression[])

Creates an System.Linq.Expressions.IndexExpression representing the access to an indexed property.

Declaration

public static IndexExpression Property(Expression instance, PropertyInfo indexer, Expression[] arguments)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	instance	The object to which the property belongs. If the property is static/shared, it must be null.
System.Reflection.PropertyInfo	indexer	The System.Reflection.PropertyInfo that represents the property to index.
System.Linq.Expressions.Expression[]	arguments	An array of System.Linq.Expressions.Expression objects that are used to index the property.

Returns

Type	Description
System.Linq.Expressions.IndexExpression	The created System.Linq.Expressions.IndexExpression.

TypeAs(Expression, Type)

Creates a System.Linq.Expressions.UnaryExpression that represents an explicit reference or boxing conversion where null is supplied if the conversion fails.

Declaration

public static UnaryExpression TypeAs(Expression expression, Type type)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	expression	An System.Linq.Expressions.Expression to set the System.Linq.Expressions.UnaryExpression.Operand property equal to.
System.Type	type	A System.Type to set the System.Linq.Expressions.Expression.Type property equal to.

Returns

Type	Description
System.Linq.Expressions.UnaryExpression	A System.Linq.Expressions.UnaryExpression that has the System.Linq.Expressions.Expression.NodeType property equal to System.Linq.Expressions.ExpressionType.TypeAs and the System.Linq.Expressions.UnaryExpression.Operand and System.Linq.Expressions.Expression.Type properties set to the specified values.

Exceptions

Type	Condition
System.ArgumentNullException	expression or type is null.

Unbox(Expression, Type)

Creates a System.Linq.Expressions.UnaryExpression that represents an explicit unboxing.

Declaration

public static UnaryExpression Unbox(Expression expression, Type type)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	expression	An System.Linq.Expressions.Expression to unbox.
System.Type	type	The new System.Type of the expression.

Returns

Type	Description
System.Linq.Expressions.UnaryExpression	An instance of System.Linq.Expressions.UnaryExpression.