private void FocusTextBox(TextBox textBox)
{
DeferredAction deferredAction = null;
deferredAction = DeferredAction.Create(() =>
{
if (textBox == null || App.Current == null || App.Current.MainWindow == null)
{
return;
}
textBox.Focus();
textBox.SelectAll();
FocusManager.SetFocusedElement(App.Current.MainWindow, textBox);
Keyboard.Focus(textBox);
if (textBox.IsVisible == false || textBox.IsKeyboardFocused)
{
deferredAction.Dispose();
}
else
{
deferredAction.Defer(TimeSpan.FromSeconds(0.25));
}
});
deferredAction.Defer(TimeSpan.FromSeconds(0.25));
}
public void Dispose()
{
if (!disposed)
{
if (_deferredAction != null)
{
_deferredAction.Dispose();
}
_repository.ParticipantAdded -= OnParticipantAdded;
_repository.ParticipantUpdated -= HandleParticipantUpdate;
_ageUpdater.OnAgeIncrement -= OnNewAge;
Mediator.Unregister("MainWindowClosing", OnMainWindowClosing);
disposed = true;
GC.SuppressFinalize(this);
}
}