RSAPIClientServiceOperationFailedHandler public sealed delegate RSAPIClientServiceOperationFailedHandler : MulticastDelegate Documentation public RSAPIClientServiceOperationFailedHandler(object object, IntPtr method) public virtual IAsyncResult BeginInvoke(object sender, ServiceOperationFailedEventArgs eventArgs, AsyncCallback callback, object object) public virtual void EndInvoke(IAsyncResult result) public virtual void Invoke(object sender, ServiceOperationFailedEventArgs eventArgs)