C#如何让系统注销时不关闭程序？

Question

  e.Cancel = true;加了这个以后注销不了。为难中。谁有好办法？

Answer 1

 private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
           if (!isExitApp)
           {
                e.Cancel = true;
               HideWindow();
            }
        }        #endregion        #region 隐藏窗口
        private void HideWindow()
        {
            this.WindowState = FormWindowState.Minimized;
            this.Hide();
            this.ShowInTaskbar = false;
            //this.notifyIcon1.Visible = true;
        }        #endregion
        #region 截获消息
        ///   
        /// 截获消息  
        ///   
        ///   
        protected override void WndProc(ref Message message)
        {
            switch (message.Msg)
            {
                case WM_QUERYENDSESSION:
                    isExitApp = true;
                    break;
            }
            base.WndProc(ref message);
        }
        #endregion