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ActiveDirectorySubnetCollection.Contains Method

Determines if the specified ActiveDirectorySubnet object is in this collection.

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

public bool Contains(
	ActiveDirectorySubnet subnet


Type: System.DirectoryServices.ActiveDirectory.ActiveDirectorySubnet

The ActiveDirectorySubnet object to search for in this collection.

Return Value

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


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


subnet is null.


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

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0