private void pauseBarItem_Click(object sender, EventArgs e)
{
gameTimer.Stop();
if (game.IsGameRunning)
{
game.PauseGame();
}
else
{
game.ResumeGame();
gameTimer.Start();
}
gridBoard.Invalidate();
gridBoard.Update();
nextPieceForm.ForceUpdate();
SetPauseBarItemStatus();
}