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private void button1_Click(object sender, System.EventArgs e)
{
if(str.Length == 0)
{
doevent();
}
......
}
public void doevent()
{
try
{
this.label1.Text = "完成";
Application.DoEvents();
......
}
catch(Exception ex)
{
str = "X";
throw ex;
}
}
private void timer1_Tick(object sender, System.EventArgs e)
{
this.label1.Text = DateTime.Now.ToLongTimeString() + " " + DateTime.Now.Millisecond.ToString();
for(int i =0;i<10000;i++)
{
this.label2.Text = i.ToString();
System.Windows.Forms.Application.DoEvents();
}
this.label3.Text = DateTime.Now.ToLongTimeString() + " " + DateTime.Now.Millisecond.ToString();
}
this.label1.Text = "完成";