C++访问注册表获取已安装软件信息列表示例代码

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C++访问注册表获取已安装软件信息列表示例代码

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// ---------------------------------------------------------------// FlieNmae: //   SofInfo.h// Remark://   通过读取注册表获得本机已安装软件信息。// ---------------------------------------------------------------#pragma once#include <vector>struct SoftInfo{    // 软件名    CString m_strSoftName;    // 软件版本号    CString m_strSoftVersion;    // 软件安装目录    CString m_strInstallLocation;    // 软件发布厂商    CString m_strPublisher;    // 主程序所在完整路径    CString m_strMainProPath;    // 卸载exe所在完整路径    CString m_strUninstallPth;};class CSoftInfo{private:    // 保存已安装常用软件安装信息    std::vector<SoftInfo> m_SoftInfoArr;    // 保存系统补丁信息    std::vector<SoftInfo> m_SystemPatchesArr;public:    CSoftInfo();    ~CSoftInfo(){}    // 获取一个包含常用软件安装信息的Vector    std::vector<SoftInfo> GetSoftInfo (void) const;    // 获取所有已安装常用软件名    void GetSoftName (std::vector<LPCTSTR>& lpszSoftName);    // 获取所有已安装常用软件版本号    void GetSoftVersion (std::vector<LPCTSTR>& lpszSoftVersion);    // 获取所有已安装常用软件安装目录    void GetInstallLocation (std::vector<LPCTSTR>& lpszInstallLocation);    // 获取所有已安装常用软件发布厂商    void GetPublisher (std::vector<LPCTSTR>& lpszPublisher);    // 获取所有已安装常用软件主程序所在路径    void GetMainProPath (std::vector<LPCTSTR>& lpszMainProPath);    // 获取所有已安装常用软件卸载程序所在路径    void GetUninstallPth (std::vector<LPCTSTR>& lpszSoftName);    // 获取一个包含系统补丁信息的Vector    std::vector<SoftInfo> GetSystemPatchesInfo (void) const;    // 获取所有已安装系统补丁名    void GetSystemPatchesName (std::vector<LPCTSTR>& lpszSoftName);};

// FlieNmae: Softinfo.cpp#include "stdafx.h"#include "SoftInfo.h"CSoftInfo::CSoftInfo(){    struct SoftInfo softinfo;    HKEY RootKey;            // 主键    LPCTSTR lpSubKey;        // 子键名称    HKEY hkResult;            // 将要打开键的句柄     HKEY hkRKey;    LONG lReturn;            // 记录读取注册表是否成功    CString strBuffer;    CString strMidReg;    DWORD index = 0;    TCHAR szKeyName[255] = {0};        // 注册表项名称    TCHAR szBuffer[255] = {0};    DWORD dwKeyLen = 255;    DWORD dwNameLen = 255;    DWORD dwType = REG_BINARY|REG_DWORD|REG_EXPAND_SZ|REG_MULTI_SZ|REG_NONE|REG_SZ;    RootKey = HKEY_LOCAL_MACHINE;    lpSubKey = _T("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall");    lReturn = RegOpenKeyEx(RootKey, lpSubKey, 0, KEY_ALL_ACCESS, &hkResult);    if (lReturn == ERROR_SUCCESS)    {        while (ERROR_NO_MORE_ITEMS !=RegEnumKeyEx(hkResult, index, szKeyName, &dwKeyLen, 0, NULL, NULL, NULL))        {            index++;            strBuffer.Format(_T("%s"), szKeyName);            if (!strBuffer.IsEmpty())            {                strMidReg = (CString)lpSubKey +_T("\\") + strBuffer;                if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, strMidReg, 0, KEY_ALL_ACCESS, &hkRKey)==ERROR_SUCCESS)                 {                     RegQueryValueEx(hkRKey, _T("DisplayName"), 0, &dwType, (LPBYTE)szBuffer,&dwNameLen);                     softinfo.m_strSoftName = szBuffer;                    dwNameLen = 255;                    memset(szBuffer, 0, 255);                    RegQueryValueEx(hkRKey, _T("DisplayVersion"), 0, &dwType, (LPBYTE)szBuffer,&dwNameLen);                     softinfo.m_strSoftVersion = szBuffer;                    dwNameLen = 255;                    memset(szBuffer, 0, 255);                    RegQueryValueEx(hkRKey, _T("InstallLocation"), 0, &dwType, (LPBYTE)szBuffer,&dwNameLen);                     softinfo.m_strInstallLocation = szBuffer;                    dwNameLen = 255;                    memset(szBuffer, 0, 255);                    RegQueryValueEx(hkRKey, _T("Publisher"), 0, &dwType, (LPBYTE)szBuffer,&dwNameLen);                     softinfo.m_strPublisher = szBuffer;                    dwNameLen = 255;                    RegQueryValueEx(hkRKey, _T("InstallLocation"), 0, &dwType, (LPBYTE)szBuffer,&dwNameLen);                     softinfo.m_strMainProPath = szBuffer;                    dwNameLen = 255;                    memset(szBuffer, 0, 255);                    RegQueryValueEx(hkRKey, _T("UninstallString"), 0, &dwType, (LPBYTE)szBuffer,&dwNameLen);                     softinfo.m_strUninstallPth = szBuffer;                    dwNameLen = 255;                    memset(szBuffer, 0, 255);                    if(!softinfo.m_strSoftName.IsEmpty())                    {                        if(strBuffer.GetAt(0) == 'K' && strBuffer.GetAt(1) == 'B')                        {                            m_SystemPatchesArr.push_back(softinfo);                        }                        else                        {                            m_SoftInfoArr.push_back(softinfo);                        }                    }                }                dwKeyLen = 255;                memset(szKeyName,0, 255);            }        }        RegCloseKey(hkResult);    }    else    {        ::MessageBox(NULL, _T("打开注册表失败!"), NULL, MB_ICONWARNING);    }}std::vector<SoftInfo> CSoftInfo::GetSoftInfo (void) const{    return m_SoftInfoArr;}void CSoftInfo::GetSoftName (std::vector<LPCTSTR>& lpszSoftName){    std::vector<SoftInfo>::iterator iter;    for (iter = m_SoftInfoArr.begin(); iter != m_SoftInfoArr.end(); iter++)    {        lpszSoftName.push_back(iter->m_strSoftName);    }}void CSoftInfo::GetSoftVersion (std::vector<LPCTSTR>& lpszSoftVersion){    std::vector<SoftInfo>::iterator iter;    for (iter = m_SoftInfoArr.begin(); iter != m_SoftInfoArr.end(); iter++)    {        if (!(iter->m_strSoftVersion).IsEmpty())        {            lpszSoftVersion.push_back(iter->m_strSoftVersion);        }    }}void CSoftInfo::GetInstallLocation (std::vector<LPCTSTR>& lpszInstallLocation){    std::vector<SoftInfo>::iterator iter;    for (iter = m_SoftInfoArr.begin(); iter != m_SoftInfoArr.end(); iter++)    {        if (!(iter->m_strInstallLocation).IsEmpty())        {            lpszInstallLocation.push_back(iter->m_strInstallLocation);        }    }}void CSoftInfo::GetPublisher (std::vector<LPCTSTR>& lpszPublisher){    std::vector<SoftInfo>::iterator iter;    bool bSign;    for (iter = m_SoftInfoArr.begin(); iter != m_SoftInfoArr.end(); iter++)    {        bSign = true;        // 初步去重复厂商        std::vector<LPCTSTR>::iterator itr;        for (itr = lpszPublisher.begin(); itr != lpszPublisher.end(); itr++)        {            if (iter->m_strPublisher == (CString)*itr)            {                bSign = false;            }        }        if (bSign)        {            lpszPublisher.push_back(iter->m_strPublisher);        }    }}void CSoftInfo::GetMainProPath (std::vector<LPCTSTR>& lpszMainProPath){    std::vector<SoftInfo>::iterator iter;    for (iter = m_SoftInfoArr.begin(); iter != m_SoftInfoArr.end(); iter++)    {        if (!(iter->m_strMainProPath).IsEmpty())        {            lpszMainProPath.push_back(iter->m_strMainProPath);        }    }}void CSoftInfo::GetUninstallPth (std::vector<LPCTSTR>& lpszSoftName){    std::vector<SoftInfo>::iterator iter;    for (iter = m_SoftInfoArr.begin(); iter != m_SoftInfoArr.end(); iter++)    {        if (!(iter->m_strUninstallPth).IsEmpty())        {            lpszSoftName.push_back(iter->m_strUninstallPth);        }    }}std::vector<SoftInfo> CSoftInfo::GetSystemPatchesInfo (void) const{    return m_SystemPatchesArr;}void CSoftInfo::GetSystemPatchesName (std::vector<LPCTSTR>& lpszSoftName){    std::vector<SoftInfo>::iterator iter;    for (iter = m_SystemPatchesArr.begin(); iter != m_SystemPatchesArr.end(); iter++)    {        lpszSoftName.push_back(iter->m_strSoftName);    }}

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