【 tulaoshi.com - 编程语言 】
                             
                              bool __fastcall TWallFrm::ActiveDesktop(void)
  {
          /*检测是否启动了Active Desktop
          是则返回true,否则返回false*/
          HWND hwnd;
          hwnd=FindWindow("Progman",NULL);
          hwnd= FindWindowEx(hwnd,NULL,"SHELLDLL_DefView",NULL);
          hwnd=FindWindowEx(hwnd,NULL,"Internet EXPlorer_Server",NULL);
          if (hwnd0)
                  return true;
          else
                  return false;
  }/*以上代码在c++ Builder5/Win98 SE下编译通过*/