隐藏win7盘符

int regeditme()
{
    HKEY hkey;
    DWORD dwLastError= 8388608;//隐藏X盘2^25 J:2^9=512               X:盘符与挂载的盘符一一对应
    DWORD dwordlength = sizeof(DWORD);//strlen("513")+1;
    ::RegOpenKey(HKEY_CURRENT_USER,"Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer",&hkey);
    if(ERROR_SUCCESS==::RegSetValueEx(hkey,"NoDrives",0,REG_DWORD,(LPBYTE)&dwLastError,dwordlength))
    {
        //MessageBox(NULL,TEXT("更新注册表成功!"),TEXT("提示"),MB_OKCANCEL);
        ::RegCloseKey(hkey);
        return 0;
    }
    else
    {
        MessageBox(NULL,TEXT("更新注册表失败!"),TEXT("提示"),MB_OKCANCEL);
        ::RegCloseKey(hkey);
        return 1;
    }
    
}