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Expression.Parameter Method (Type, String)

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Creates a ParameterExpression node that can be used to identify a parameter or a variable in an expression tree.

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

Syntax

'Declaration
Public Shared Function Parameter ( _
    type As Type, _
    name As String _
) As ParameterExpression

public static ParameterExpression Parameter(
    Type type,
    string name
)

Parameters

  • type
    Type: System.Type
    The type of the parameter or variable.
  • name
    Type: System.String
    The name of the parameter or variable, used for debugging or printing purpose only.

Return Value

Type: System.Linq.Expressions.ParameterExpression
A ParameterExpression that has the NodeType property equal to Parameter and the Type and Name properties set to the specified values.

Exceptions

Exception Condition
ArgumentNullException

type is nulla null reference (Nothing in Visual Basic).

Version Information

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

Platforms

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