【收藏】获取系统安装软件(vc++源码)

获取系统安装软件(vc++源码)

http://download.csdn.net/detail/yy_kici/2193865

 

typedef struct SetupSoftInfo

{

    mystring displayName;        //软件名称

    mystring publisher;            //发行商

    mystring displayVersion;    //版本

    mystring installDate;        //安装日期

    mystring uninstallString;    //卸载命令及参数

}*PSetupSoftInfo;

 

BOOL CNEPAction::GetSetupSofts(vector<SetupSoftInfo>&stupInfo)

{

    const int  MAX_LEG = 256 * sizeof(TCHAR);

    HKEY hKey;

    DWORD dwRegNum = MAX_LEG;

    TCHAR regBufferName[MAX_LEG] = {0};

    if( RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall"),

        NULL, KEY_READ, &hKey) == ERROR_SUCCESS    ) {

        

        if( RegQueryInfoKey(hKey, NULL, NULL, NULL, &dwRegNum, NULL, NULL, NULL, NULL, NULL, NULL, NULL)    ==    ERROR_SUCCESS ){

            for( int i = 0; i < (int)dwRegNum; i++ ) {    

                DWORD dwRegSize = MAX_LEG;

                RegEnumKeyEx(hKey, i, regBufferName, &dwRegSize, NULL, NULL, 

                    NULL, NULL);

                DWORD dwType;    

                HKEY hSubKey;

                if(    RegOpenKeyEx(hKey, regBufferName, NULL, KEY_READ, &hSubKey) == ERROR_SUCCESS)

                {

                    SetupSoftInfo info;

                    TCHAR regBufferValue[MAX_LEG] = {0};

                    dwRegSize = MAX_LEG;

                    RegQueryValueEx(hSubKey, _T("DisplayName"), 0, &dwType, (LPBYTE)regBufferValue, &dwRegSize);

                    info.displayName = regBufferValue;        //软件名称



                    dwRegSize = MAX_LEG;

                    _tcscpy(regBufferValue,_T(""));

                    RegQueryValueEx(hSubKey, _T("Publisher"), 0, &dwType,(LPBYTE)regBufferValue, &dwRegSize);

                    info.publisher = regBufferValue;        //发行商



                    dwRegSize = MAX_LEG;

                    _tcscpy(regBufferValue,_T(""));

                    RegQueryValueEx(hSubKey, _T("DisplayVersion"), 0, &dwType, (LPBYTE)regBufferValue, &dwRegSize);

                    info.displayVersion = regBufferValue;    //版本



                    dwRegSize = MAX_LEG;

                    _tcscpy(regBufferValue,_T(""));

                    // 判断是否能在注册表中获取到安装时间, 否取子项创建时间

                    if(RegQueryValueEx(hSubKey, _T("InstallDate"), 0, &dwType, (LPBYTE)regBufferValue, &dwRegSize) == ERROR_SUCCESS )

                    {

                        info.installDate = regBufferValue;

                    }

                    else

                    {

                        FILETIME fileLastTime;

                        RegQueryInfoKey(hSubKey, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 

                            NULL, NULL, NULL, &fileLastTime);

                        SYSTEMTIME sTime, stLocal ;

                        FileTimeToSystemTime(&fileLastTime,&sTime);

                        SystemTimeToTzSpecificLocalTime(NULL, &sTime, &stLocal);

                        TCHAR tchTime[MAX_LEG] = {0};

                        _stprintf(tchTime,_T("%d%02d%02d"),stLocal.wYear,stLocal.wMonth,stLocal.wDay);

                        info.installDate = tchTime;

                    }

                    dwRegSize = MAX_LEG;

                    _tcscpy(regBufferValue,_T(""));

                    RegQueryValueEx(hSubKey, _T("UninstallString"), 0, &dwType, (LPBYTE)regBufferValue, &dwRegSize);

                    info.uninstallString = regBufferValue;//卸载命令及参数



                    dwRegSize = MAX_LEG;

                    _tcscpy(regBufferValue,_T(""));

                    // 取ParentKeyName键值,判断是否是补丁信息, 是补丁信息键值为"OperatingSystem"

                    RegQueryValueEx(hSubKey, _T("ParentKeyName"), 0, &dwType, (LPBYTE)regBufferValue, &dwRegSize);

                    TCHAR tchLocal[MAX_LEG] = {0};

                    _tcscpy(tchLocal,regBufferValue);



                    _tcscpy(regBufferValue,_T(""));

                    dwRegSize = MAX_LEG;

                    RegQueryValueEx(hSubKey, _T("QuietUninstallString"), 0, &dwType, (LPBYTE)regBufferValue, &dwRegSize);

                    if( _tcscmp(regBufferValue,_T("") ) )

                    {

                        info.displayName = regBufferName;

                        info.uninstallString = regBufferValue;

                    }

                    if( (info.displayName != _T("") )

                        &&( _tcscmp( tchLocal,_T("OperatingSystem") ) )) //判断是否是补丁信息 

                    {

                        stupInfo.push_back(info);

                    }



                }             

            }//end for(; ;)

        }

    }else {

        return FALSE; //打开键失败

    }

    RegCloseKey(hKey);



    return TRUE;

}