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Expression.MakeUnary Method (ExpressionType, Expression, Type)

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

Namespace:  System.Linq.Expressions
Assembly:  System.Core (in System.Core.dll)
public static UnaryExpression MakeUnary(
	ExpressionType unaryType,
	Expression operand,
	Type type
)

Parameters

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

Return Value

Type: System.Linq.Expressions.UnaryExpression
The UnaryExpression that results from calling the appropriate factory method.
ExceptionCondition
ArgumentNullException

operand is null.

ArgumentException

unaryType does not correspond to a unary expression node.

The unaryType parameter determines which UnaryExpression factory method this method calls. For example, if unaryType is equal to Convert, this method invokes Convert. The type parameter is ignored if it does not apply to the factory method that is called.

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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