剪刀石头布游戏

结果：

 

代码：

int rivalScore = 0;//对方分数
        int myScore = 0;//本方分数

        private void MainForm_Load(object sender, EventArgs e)
        {
       
        }

        private void MainForm_Click(object sender, EventArgs e)
        {

        }

        private void btnForfex_Click(object sender, EventArgs e)
        {
            int myNum = lb1My.ImageIndex = ((Button)sender).ImageIndex;
            Random rm = new Random();
            int rivalNum = lb1Rival.ImageIndex = rm.Next(0, 3);
            int rusult = rivalNum - myNum;
            if (rusult == 0)
            {
                lb1Result.Text = "平";
            }
            else if (rusult == 1 || rusult == -2)
            {
                lb1Result.Text = "赢";
                myScore++;
            }
            else
            {
                lb1Result.Text = "输";
                rivalScore++;
            }
            lb1RivalScore.Text = rivalScore.ToString();
            lb1MyScore.Text = myScore.ToString();
        }