private void ReStart()
{
second = 0;
this.textBox1.Text = "0:00";
btns = new Boxs(cols, mineCount, btnWidth);
this.timer1.Stop();
this.Refresh();
}
private void Init(int cols, int mineCount, int btnWidth)
{
this.cols = cols;
this.mineCount = mineCount;
this.btnWidth = btnWidth;
btns = new Boxs(cols, mineCount, btnWidth);
this.Width = cols * btnWidth + 17;
this.Height = cols * btnWidth + 100;
}