Specifies that the contract is no longer accessible to a client.
Assembly: System.AddIn.Contract (in System.AddIn.Contract.dll)
Clients of an object that implements IContract call the method to notify the object that the client no longer needs the contract. An IContract is guaranteed to be usable as long as at least one lifetime token that it passed to a client has not been revoked.
To acquire a contract, clients call the AcquireLifetimeToken method.
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.