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Expression.TypeIs Method

Namespace:  System.Linq.Expressions
Assemblies:   System.Core (in System.Core.dll)
  System.Linq.Expressions (in System.Linq.Expressions.dll)

static member TypeIs : 
        expression:Expression * 
        type:Type -> TypeBinaryExpression

Parameters

expression
Type: System.Linq.Expressions.Expression

An Expression to set the Expression property equal to.

type
Type: System.Type

A Type to set the TypeOperand property equal to.

Return Value

Type: System.Linq.Expressions.TypeBinaryExpression
A TypeBinaryExpression for which the NodeType property is equal to TypeIs and for which the Expression and TypeOperand properties are set to the specified values.

ExceptionCondition
ArgumentNullException

expression or type is a null reference (Nothing in Visual Basic).

The Type property of the resulting UnaryExpression represents Boolean.

The following example demonstrates how to use the TypeIs(Expression, Type) method to create a TypeBinaryExpression that represents a type test of a string value against the Int32 type.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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