string ss="";
private void Form1_Load(object sender, EventArgs e)
{
timer.Elapsed += new System.Timers.ElapsedEventHandler(timerControl);
timer.Interval = 5000;
timer.AutoReset = true;
timer.Enabled = true;
}
private void timerControl(object sender, ElapsedEventArgs e)
{
if (ss.Length>5)
{
timer.Stop();
}
else
{
//通知主线程去 添加执行ss+="a";
//这个timer线程 如何去通知主线程
}
}