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Expression.Parameter Method (Type, String)

.NET Framework 4.5

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)

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 null.

Version Information

.NET Framework

Supported in: 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

Platforms

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.

Reference

Expression Class

Parameter Overload

System.Linq.Expressions Namespace

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