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CodeParameterDeclarationExpressionCollection.Contains Method

Gets a value indicating whether the collection contains the specified CodeParameterDeclarationExpression.

Namespace:  System.CodeDom
Assembly:  System (in System.dll)

public bool Contains(
	CodeParameterDeclarationExpression value


Type: System.CodeDom.CodeParameterDeclarationExpression

A CodeParameterDeclarationExpression to search for in the collection.

Return Value

Type: System.Boolean
true if the collection contains the specified object; otherwise, false.

The following example uses the Contains method to search for the presence of a specific CodeParameterDeclarationExpression object and get the index value at which it was found.

// Tests for the presence of a CodeParameterDeclarationExpression  
// in the collection, and retrieves its index if it is found.
CodeParameterDeclarationExpression testParameter = new CodeParameterDeclarationExpression(typeof(int), "testIntArgument");
int itemIndex = -1;
if( collection.Contains( testParameter ) )
    itemIndex = collection.IndexOf( testParameter );

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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