hWin = MESSAGEBOX_Create("这是一个帮助！\n你觉得这个帮助功能如何？", "帮助", GUI_MESSAGEBOX_CF_MOVEABLE);

 WM_SetCallback(hWin, _cbDialogMessage);

 static void _cbDialogMessage(WM_MESSAGE *pMsg)

 {

     WM_HWIN hWin;

     int NCode;

     int Id;    

     hWin = pMsg->hWin;

     switch (pMsg->MsgId)

     {

         case WM_NOTIFY_PARENT:

             Id = WM_GetId(pMsg->hWinSrc);

             NCode = pMsg->Data.v;

             switch (Id)

             {

                 case GUI_ID_OK:

                     switch (NCode)

                     {

                         case WM_NOTIFICATION_CLICKED:

                             break;

                         case WM_NOTIFICATION_RELEASED:

                             WM_DeleteWindow(hWin);

                             break;

                     }

                     break;

             }

             break;

         default:

             WM_DefaultProc(pMsg);

             break;

      }

 }