//Load事件
private void UserControl_Loaded(object sender, RoutedEventArgs e)
{
volumeTxt.Text = GcManage.readYinliangValue();
lklTxt.Text = SysStateParam.lklSignInfo;
wtTxt.Text = SysStateParam.wtSignInfo;
onlineTxt.Text = "正在查询...";
new Thread(delegate() { onlineTxt.Dispatcher.Invoke(new isOnlineDelegate(isOnline), onlineTxt, new TerminalAccess().isOnline()); }).Start();
}