public static void ShowWaitingPopup(string Header,
string bt1Text,
FinishCB finishCB = null,
ProgressCB cb = null,
PopupButton.ButtonAction cancelCB = null)
{
instance.SetupText(Header, "");
instance.SetupButton(bt1Text, "", "");
instance.TextProgressCB = cb;
instance.Button1.OnReleased = cancelCB;
instance.progressDoneCB = finishCB;
instance.mShowProgress();
}
public ProgressUI(Window?owner, string title, string desc, ImageSource?image, CancellationToken cancel, WorkerFunc worker, object?arg = null, ThreadPriority priority = ThreadPriority.Normal)
: this(owner, title, desc, image, cancel)
{
try
{
worker ??= DefaultWorkerFunc;
void DefaultWorkerFunc(ProgressUI ui, object?a, ProgressCB p)
{
// Default worker function just waits till cancel is signalled
for (; !CancelPending; Thread.Sleep(100))
{
p(new UserState {
});
}
}
// Start the worker task
m_thread = new Thread(new ThreadStart(ThreadEntry))
{
Name = "ProgressUI",
Priority = priority,
IsBackground = true,
};
void ThreadEntry()
{
var progress_cb = new ProgressCB(UpdateProgress);
try
{
// Run the worker task
worker(this, arg, us => Dispatcher.BeginInvoke(progress_cb, us));
Dispatcher.BeginInvoke(progress_cb, new UserState {
FractionComplete = 1f
});
}
catch (Exception ex)
{
if (ex is OperationCanceledException)
{
m_cancel.Cancel();
}
else
{
Error = ex;
}
}
// Set the event to say "task done"
Done.Set();
Dispatcher.BeginInvoke(progress_cb, new UserState {
CloseDialog = true
});
}
m_thread.Start();
}
catch
{
Dispose();
throw;
}
}