private void OnClick(object sender, MouseEventArgs e)
{
ButtonSquare square = ((ButtonSquare)sender);
switch (e.Button)
{
case MouseButtons.Left:
game.Uncover(square.Position);
paintButtons();
break;
case MouseButtons.Right:
game.ToggleFlag(square.Position);
paintButtons();
break;
default:
break;
}
}
