void IHandleKeyboardPressed.OnKeyboardPressed(object sender, KeyboardEventArgs args)
{
if (args.Handled) return;
args.Handled = _handleKeypress(args.Key, args.IsShiftPressed);
}
void IHandleKeyboardReleased.OnKeyboardReleased(object sender, KeyboardEventArgs args)
{
if (args.Handled || _controlLayers.Count == 0) return;
//throw new NotImplementedException();
}