void OnNewBackendStarted(object ob, EventArgs args)
{
OnBackendChanging();
ApplicationBackendController oldBackend = backendController;
backendController = (ApplicationBackendController)ob;
OnBackendChanged(true);
oldBackend.StopBackend(false);
}
public override void Dispose()
{
base.Dispose();
backendController.StopBackend(true);
}