void MainWindow_KeyDown(object sender, KeyEventArgs e) { switch (e.Key) { case Key.Left: if (Timer.IsEnabled) { myBoard.CurrentElementMoveLeft(); } break; case Key.Right: if (Timer.IsEnabled) { myBoard.CurrentElementMoveRight(); } break; case Key.Down: if (Timer.IsEnabled) { myBoard.CurrentElementMoveDown(); } break; default: break; } }