public static async Task ExecuteThreadAsync(string infotext, Func <Task> taskMethod, Action <Exception> finishAction)
{
if (WaitDialogStarted != null)
{
WaitDialogStarted(null, null);
}
_ThreadDialog = new WaitDialog();
_ThreadDialog.Show(infotext + " ...");
try
{
await taskMethod();
}
catch (Exception ex)
{
_Exception = ex;
}
if (_ThreadDialog != null)
{
_ThreadDialog.Close();
}
if (WaitDialogEnded != null)
{
WaitDialogEnded(null, null);
}
_ThreadDialog = null;
finishAction(_Exception);
_Exception = null;
}
/// <summary>
/// Starts the finish action that will be done on the GUI-Thread and removes the progressring from the GUI
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
static void _Worker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
_Exception = e.Error;
if (_Worker != null)
{
_Worker.DoWork -= _Worker_DoWork;
_Worker.RunWorkerCompleted -= _Worker_RunWorkerCompleted;
}
if (_ThreadDialog != null)
{
_ThreadDialog.Close();
}
_Action = null;
_ThreadDialog = null;
if (_Worker != null)
{
_Worker.Dispose();
}
_Worker = null;
if (_FinishedAction != null)
{
_FinishedAction(_Exception);
}
}