C++访问注册表获取已安装软件信息列表示例代码

秒速五厘米 2022-01-17 14:25 431阅读 0赞

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][C 1]

// ---------------------------------------------------------------

// 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);

\};

或者

// 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;

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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转载于:https://blog.51cto.com/14209412/2406807

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