//////
        命令栏处理---------隐藏
/////
                                                     ////////托盘处理----------显示
--------------------------------------------------------------------
1,定义基础消息处理机制
2,为创建托盘注册
3,定义消息处理机制.


///////////////全局化
#define UM_TRAYNOTIFICATION (WM_USER+100)
 NOTIFYICONDATA m_nid;

///////////////////////////////////////
 //初始化m_nid 

 m_nid.cbSize = sizeof(NOTIFYICONDATA); 
 m_nid.hWnd = this->m_hWnd; 
 m_nid.uID = IDR_MENU1;  
 m_nid.uFlags = NIF_ICON|NIF_TIP|NIF_MESSAGE;  
 m_nid.hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);  
 strcpy (m_nid.szTip, "我的托盘听我的");  
m_nid.uCallbackMessage = UM_TRAYNOTIFICATION;

增加一个
 Shell_NotifyIcon(NIM_ADD, &m_nid);
/////////////////////////////////


////////消息处理/////////////////////
void CMainFrame::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == SC_CLOSE)      //触发关闭按钮  
    {  
        //OnClose();           //不进行关闭  
//  AfxMessageBox("dfddfd");
 RemoveTray();        
 PostQuitMessage(0);        

    } 

CWnd::OnSysCommand(nID,lParam);
if (nID==SC_MINIMIZE)
 {
  /*
 NOTIFYICONDATA nid;
 nid.cbSize=(DWORD)sizeof(NOTIFYICONDATA);
 nid.hWnd=this->m_hWnd;
 nid.uID=IDR_MAINFRAME;
 nid.uFlags=NIF_ICON|NIF_MESSAGE|NIF_TIP ;
 nid.uCallbackMessage=UM_TRAYNOTIFICATION;//自定义的在托盘区显示图标的消息
 nid.hIcon=LoadIcon(AfxGetInstanceHandle(),MAKEINTRESOURCE(IDR_MAINFRAME));
 strcpy(nid.szTip,"要发消息点我!");//信息提示条
 Shell_NotifyIcon(NIM_ADD,&nid);//在托盘区添加图标
 */
Shell_NotifyIcon(NIM_ADD, &m_nid);
 ShowWindow(SW_HIDE);//隐藏窗口
 }
}
//移除托盘图标，在程序退出时一定要记得调用，否则图标会残留在托盘上
void CMainFrame::RemoveTray() { 
 Shell_NotifyIcon(NIM_DELETE, &m_nid);
}



LRESULT CMainFrame::OnTrayNotification(WPARAM wId, LPARAM lEvent)
{  
 if(wId!=m_nid.uID || (lEvent!=WM_LBUTTONUP && lEvent!=WM_RBUTTONUP))   
  return lEvent;

 ShowWindow(SW_SHOW);
//加载菜单  
 CMenu menu;  
 if(!menu.LoadMenu(wId))       
  return 0;   //获取弹出菜单  
 CMenu *pSubMenu = menu.GetSubMenu(0);  
 if(!pSubMenu)       
  return 0;   

 if(lEvent == WM_RBUTTONUP)  
 {         //设置默认菜单项        
  ::SetMenuDefaultItem(pSubMenu->m_hMenu, 0, TRUE);          //获取鼠标位置 
  CPoint mouse;       
  GetCursorPos(&mouse);          //设置快捷菜单        
  ::SetForegroundWindow(m_nid.hWnd);        
  ::TrackPopupMenu(pSubMenu->m_hMenu, 0, mouse.x, mouse.y, 0, m_nid.hWnd, NULL);  
}  
 else  
 {        
 ::SendMessage(m_nid.hWnd, WM_COMMAND, pSubMenu->GetMenuItemID(0), 0);  
}
return 1; 
}