This documentation is archived and is not being maintained.

ActiveDirectorySchemaPropertyCollection.Contains Method

Determines if the specified ActiveDirectorySchemaProperty object is in this collection.

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

public bool Contains(
	ActiveDirectorySchemaProperty schemaProperty


Type: System.DirectoryServices.ActiveDirectory.ActiveDirectorySchemaProperty
The ActiveDirectorySchemaProperty object to search for in this collection.

Return Value

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


A call to the underlying directory service resulted in an error.


schemaProperty is null.


The ActiveDirectorySchemaProperty object has not yet been saved in the Active Directory Domain Services store.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.