Updating UI during long operation

If you are performing an extensive operation that has multiple UI updates, for example in a loop, then you can use the following code to keep the UI updated alongside the operation.

    private void UpdateUI()
    {
        DispatcherFrame update = new DispatcherFrame();
        Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Background, new DispatcherOperationCallback(delegate (object parameter)
        {
            update.Continue = false;
            return null;
        }), null);
        Dispatcher.PushFrame(update);
    }

Simply call that function inside your loop and the UI will update. Note, I have set the priority to background, you may have to set that to "Render"

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