public static ClientMainWindow GetWindow(bool canCreate = false)
 {
     if (canCreate)
     {
         return(instance ?? (instance = new ClientMainWindow()));
     }
     return(instance);
 }
 private void Window_Closed(object sender, EventArgs e)
 {
     instance  = null;
     firstShow = false;
     //if(ButtonHelper.GetIsWaiting(LaunchButton)) Notice.Show("ChobitsMC服务正在后台运行\n操作完成后会自动通知", "提示", 3, MessageBoxIcon.Info);
 }