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ReadOnlyActiveDirectorySchemaClassCollection.Contains Method

Determines if the specified ActiveDirectorySchemaClass object is in this collection.

Namespace:  System.DirectoryServices.ActiveDirectory
Assembly:  System.DirectoryServices (in System.DirectoryServices.dll)

public bool Contains(
	ActiveDirectorySchemaClass schemaClass


Type: System.DirectoryServices.ActiveDirectory.ActiveDirectorySchemaClass

The ActiveDirectorySchemaClass object to search for in this collection.

Return Value

Type: System.Boolean
true if the ActiveDirectorySchemaClass object is in this collection; otherwise, false.


The schemaClass parameter is null.

.NET Framework

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

.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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