[WCF RIA Services Version 1 Service Pack 2 is compatible with either .NET framework 4 or .NET Framework 4.5, and with either Silverlight 4 or Silverlight 5.]
Cancels an asynchronous Login operation.
Assembly: System.ServiceModel.DomainServices.Client (in System.ServiceModel.DomainServices.Client.dll)
When you override this method, you do not need to call the base method. This method is invoked when a Login operation is canceled. Either this method or EndLogin will be invoked to conclude the operation, but not both. After is called, the callback passed in to BeginLogin should not be invoked. Exceptions thrown from this method will be available in Error.