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;
}
private static async Task _ExecuteThreadAsyncNoDialog(Func <Task> taskMethod, Action <Exception> finishAction)
{
if (WaitDialogStarted != null)
{
WaitDialogStarted(null, null);
}
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>
/// Shows a progressring while the application is doing something in the background
/// </summary>
/// <param name="infotext">Text that is shown while the progressring is visible</param>
/// <param name="threadMethod">Action that can be done on an other thread (f.e. math-stuff)</param>
/// <param name="finishedMethod">Action that has to be done on the GUI-Thread (GUI-stuff)</param>
public static void ExecuteThread(string infotext, Action threadMethod, Action <Exception> finishedMethod)
{
_ThreadDialog = new WaitDialog();
_ThreadDialog.Show(infotext + " ...");
_Action = threadMethod;
_FinishedAction = finishedMethod;
_Worker = new BackgroundWorker();
_Worker.DoWork += _Worker_DoWork;
_Worker.RunWorkerCompleted += _Worker_RunWorkerCompleted;
_Exception = null;
_Worker.RunWorkerAsync();
}
/// <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);
}
}