C#开发绿色倒计时软件 Count down 单一文件,30K..

设置时间开始

随意停止

自动跳到前台提示

附代码:

TimeSpan ts = new TimeSpan(0, 0, 10);        private void btStart_Click(object sender, EventArgs e)        {            ts = new TimeSpan(0, Convert.ToInt32(tbMinute.Text), Convert.ToInt32(tbSecond.Text));            this.TopMost = false;            btStart.Enabled = false;            timer1.Enabled = true;            btReStart.Enabled = true;        }        private void timer1_Tick(object sender, EventArgs e)        {            ts = ts.Subtract(new TimeSpan(0, 0, 1));//每隔一秒减去一秒            btStart.Text = "【" + ts.Minutes.ToString() + "】Minutes\n【" + ts.Seconds.ToString() + "】Seconds";            if (ts.TotalSeconds <= 0.0)//当倒计时完毕            {                this.TopMost = true;                btStart.Enabled = true;                timer1.Enabled = false;                btStart.Text = "Start";                btReStart.Enabled = false;                MessageBox.Show("Time over!", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information);//提示时间到            }        }        private void btReStart_Click(object sender, EventArgs e)        {            ts = new TimeSpan(0, 0, 0);        }