C++訪問註冊表獲取已安裝軟件信息列表示例代碼

C++訪問註冊表獲取已安裝軟件信息列表示例代碼

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

// FlieNmae:

// SofInfo.h

// Remark:

// 經過讀取註冊表得到本機已安裝軟件信息。

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

pragma once

include <vector>

struct SoftInfo

{

// 軟件名

CString m_strSoftName;

// 軟件版本號

CString m_strSoftVersion;

// 軟件安裝目錄

CString m_strInstallLocation;

// 軟件發佈廠商

CString m_strPublisher;

// 主程序所在完整路徑

CString m_strMainProPath;

// 卸載exe所在完整路徑

CString m_strUninstallPth;

};

class CSoftInfo

{

private:

// 保存已安裝經常使用軟件安裝信息

std::vector<SoftInfo> m_SoftInfoArr;

// 保存系統補丁信息

std::vector<SoftInfo> m_SystemPatchesArr;

public:

CSoftInfo();

~CSoftInfo(){}

// 獲取一個包含經常使用軟件安裝信息的Vector

std::vector<SoftInfo> GetSoftInfo (void) const;

// 獲取全部已安裝經常使用軟件名

void GetSoftName (std::vector<LPCTSTR>& lpszSoftName);

// 獲取全部已安裝經常使用軟件版本號

void GetSoftVersion (std::vector<LPCTSTR>& lpszSoftVersion);

// 獲取全部已安裝經常使用軟件安裝目錄

void GetInstallLocation (std::vector<LPCTSTR>& lpszInstallLocation);

// 獲取全部已安裝經常使用軟件發佈廠商

void GetPublisher (std::vector<LPCTSTR>& lpszPublisher);

// 獲取全部已安裝經常使用軟件主程序所在路徑

void GetMainProPath (std::vector<LPCTSTR>& lpszMainProPath);

// 獲取全部已安裝經常使用軟件卸載程序所在路徑

void GetUninstallPth (std::vector<LPCTSTR>& lpszSoftName);

// 獲取一個包含系統補丁信息的Vector

std::vector<SoftInfo> GetSystemPatchesInfo (void) const;

// 獲取全部已安裝系統補丁名

void GetSystemPatchesName (std::vector<LPCTSTR>& lpszSoftName);

};

或者

// FlieNmae: Softinfo.cpp

include "stdafx.h"

include "SoftInfo.h"

CSoftInfo::CSoftInfo()

{

struct SoftInfo softinfo;

HKEY RootKey; // 主鍵

LPCTSTR lpSubKey; // 子鍵名稱

HKEY hkResult; // 將要打開鍵的句柄

HKEY hkRKey;

LONG lReturn; // 記錄讀取註冊表是否成功

CString strBuffer;

CString strMidReg;

DWORD index = 0;

TCHAR szKeyName[255] = {0}; // 註冊表項名稱

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("SOFTWAREMicrosoftWindowsCurrentVersionUninstall");

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("打開註冊表失敗!"), 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;

// 初步去重複廠商

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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