关于读取注册表的问题,非常奇怪
下面的代码用来读取注册表中的关于桌面和开始程序的路径的,但是执行结果在不同的机器上运行效果却不一样,有的可以正确读取,有的只能读出其中的2项,请大家分析原因,100分奉上!!!
CString path_Desktop; //当前用户的桌面路径
CString path_Program; //当前用户的程序路径
CString path_Desktop_Common; //所有用户的桌面路径
CString path_Program_Common; //所有用户的程序路径
path_reg="Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders";
HKEY hKEY1,hKEY2,hKEY3,hKEY4; //定义有关的 hKEY, 在查询结束时要关闭。
//获取当前用户桌面路径
ret0=(::RegOpenKeyEx(HKEY_CURRENT_USER,path_reg, 0, KEY_READ, &hKEY1));
ret1=::RegQueryValueEx(hKEY1,"Desktop", NULL,&type_1,path_Get,&cbData_1);
path_Desktop=(CString)path_Get;
::RegCloseKey(hKEY1);
//获得所有用户的桌面路径
ret0=(::RegOpenKeyEx(HKEY_LOCAL_MACHINE,path_reg, 0, KEY_READ, &hKEY2));
ret1=::RegQueryValueEx(hKEY2,"Common Programs", NULL,&type_1,path_Get,&cbData_1);
path_Program_Common=(CString)path_Get;
::RegCloseKey(hKEY2);
//获得当前用户的程序路径
ret0=(::RegOpenKeyEx(HKEY_CURRENT_USER,path_reg, 0, KEY_READ, &hKEY3));
ret1=::RegQueryValueEx(hKEY3,"Programs", NULL,&type_1,path_Get,&cbData_1);
path_Program=(CString)path_Get;
::RegCloseKey(hKEY3);
//获取所有用户程序路径
ret0=(::RegOpenKeyEx(HKEY_LOCAL_MACHINE,path_reg, 0, KEY_READ, &hKEY4));
ret1=::RegQueryValueEx(hKEY4,"Common Desktop", NULL,&type_1,path_Get,&cbData_1);
path_Desktop_Common=(CString)path_Get;
::RegCloseKey(hKEY4);