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ActiveDirectorySiteLinkCollection.Contains Method

Determines if the specified ActiveDirectorySiteLink object is in this collection.

Namespace:  System.DirectoryServices.ActiveDirectory
Assembly:  System.DirectoryServices (in System.DirectoryServices.dll)
public bool Contains(
	ActiveDirectorySiteLink link


Type: System.DirectoryServices.ActiveDirectory.ActiveDirectorySiteLink

The ActiveDirectorySiteLink object to search for in this collection.

Return Value

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

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


link is null.


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

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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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