private static bool pleaseWaitImplementation(bool canBeCanceled, int?progressMax, MyRunMethod method)
{
bool res = true;
Debug.WriteLine("PleaseWait.Run start");
//Cancel = false;
// Start my lengthy Process
// Display the Please Wait Dialog here
PleaseWaitWindow _pleaseWaitDlg = new PleaseWaitWindow(canBeCanceled, progressMax);
Thread lengthyProcessThread = new Thread(threadRunner);
lengthyProcessThread.IsBackground = true; // so not to have stray running threads if the main form is closed
PleaseWaitContext pleaseWaitContext = new PleaseWaitContext(method, _pleaseWaitDlg);
lengthyProcessThread.Start(pleaseWaitContext);
Debug.WriteLine("Creating thread: " + lengthyProcessThread.ManagedThreadId);
_pleaseWaitDlg.ShowDialog();
//if please wait thread throws exception then rethrow it
if (pleaseWaitContext.ReturnException != null)
{
res = false;
ExceptionHandler.Default.Process(pleaseWaitContext.ReturnException);
//throw new RethrowedException(pleaseWaitContext.ReturnException);)
throw pleaseWaitContext.ReturnException;
}
return(res);
}
private static void threadRunner(object obj)
{
ControlHelper.EnsureThreadLocalized();
PleaseWaitContext context = (PleaseWaitContext)obj;
PleaseWaitWindow temporaryWindow = (PleaseWaitWindow)context.ProgressWindow;
MethodParameters par = new MethodParameters(temporaryWindow);
temporaryWindow.Parameters = par;
try
{
Debug.WriteLine("PleaseWait.Invoke before");
context.Method.Invoke(par);
Debug.WriteLine("PleaseWait.Invoke after");
}
catch (Exception ex)
{
context.ReturnException = ex;
}
temporaryWindow.ThreadSafeClose();
Debug.WriteLine("PleaseWait.Run end");
}
