110,539
社区成员
发帖
与我相关
我的任务
分享
public DateTime dtime;
private void button1_Click(object sender, EventArgs e)
{
timer.Start();
dtime = DateTime.Now;
}
private void timer_Tick(object sender, EventArgs e)
{
TimeSpan span = new TimeSpan();
span = DateTime.Now - dtime;
this.label.Text = span.ToString().Substring(0,8);
}
private void button2_Click(object sender, EventArgs e)
{
timer.Stop();
}