private void PanelGameBoard_MouseClick(object sender, MouseEventArgs e)
{
int x = e.X;
int y = e.Y;
GameStarted?.Invoke(x, y);
//togle flag
if (e.Button == MouseButtons.Right)
{
FlagToggled?.Invoke(x, y);
}
if (e.Button == MouseButtons.Left)
{
Dig?.Invoke(x, y);
}
}