private void BgProgressChanged(object sender, ProgressChangedEventArgs e)
{
//暂停当前线程，发信号给waitOne方法，阻塞
manualReset.Reset();
WarningDialog warningform = WarningDialog.GetInstance(this);
warningform.Show();
warningform.TopMost = true;
warningform.Invoke(new InvokeMethod(warningform.DoWork), warningList);
}
