Expression.MakeUnary Method (ExpressionType, Expression, Type)
.NET Framework (current version)
Creates a UnaryExpression, given an operand, by calling the appropriate factory method.
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.UnaryExpressionThe UnaryExpression that results from calling the appropriate factory method.
| Exception | Condition |
|---|---|
| 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 typeparameter is ignored if it does not apply to the factory method that is called.
Universal Windows Platform
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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