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this.timer1.Interval=1000;
for(int i=0 ; i++ ;i<=100000)
{
this.timer1.Start();
seven:
//执行下面的操作
}
timer1_Click(object sender,xxxx)
{
this.timer1.Stop();
goto seven;
}
for (int i = 0; i < 10000; i++)
{
MessageBox.Show(i.ToString());
DateTime dt = DateTime.Now;
while (DateTime.Now< dt.AddSeconds(1)) ;
}
DateTime dt = DateTime.Now;
for (int i = 0; i < 100000; i++)
{
MessageBox.Show("你好!" + i.ToString());
while (true)
{
if (DateTime.Now.AddSeconds(-3.0).ToString("HH:mm:ss") == dt.ToString("HH:mm:ss"))
break;
}
dt = DateTime.Now;
}