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Expression.Empty Method

Creates an empty expression that has Void type.

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

static member Empty : unit -> DefaultExpression

Return Value

Type: System.Linq.Expressions.DefaultExpression
A DefaultExpression that has the NodeType property equal to Default and the Type property set to Void.

An empty expression can be used where an expression is expected but no action is desired. For example, you can use an empty expression as the last expression in a block expression. In this case, the block expression's return value is void.

The following code example shows how to create an empty expression and add it to a block expression.

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

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
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