vc++读取文件属性的详细信息描述 通过读取QQ的注册表和EXE路径两种方式

时间：2021-04-17 00:20:52

转载:http://www.cnblogs.com/pythonschool/archive/2012/10/18/2729872.html

// File: GetFileVersion.cpp

// Description: 获取EXE文件的属性详细信息

// Created: 2017-9-5//////////////////////////////////////////////////////////////

/*

The following code shows how to get FILEINFO value from resource file.

These WIN32 functions will be used:

* GetFileVersionInfo

* GetFileVersionInfoSize

* VerQueryValue

* GetModuleFileName

*/

#include "stdafx.h"

#include <windows.h>

#include <tchar.h>

#include <string>

#include <iostream>

#include "stdio.h"

#pragma comment(lib, "version.lib")

using namespace std;

std::string GetFileVersion(char * strFilePath)

{

    DWORD dwSize;

    DWORD dwRtn;

    std::string szVersion;

    //获取版本信息大小

    dwSize = GetFileVersionInfoSize(strFilePath,NULL);

    if (dwSize == )

    {

       return "";

    }

    char *pBuf;

    pBuf= new char[dwSize + ];

    if(pBuf == NULL)

       return "";

    memset(pBuf, , dwSize + );

    //获取版本信息

    dwRtn = GetFileVersionInfo(strFilePath,NULL, dwSize, pBuf);

    if(dwRtn == )

    {

       return "";

    }

    LPVOID lpBuffer = NULL;

    UINT uLen = ;

    //版本资源中获取信息

dwRtn = VerQueryValue(pBuf,

   TEXT("\\StringFileInfo\\080404b0\\FileDescription"), //0804中文

   //04b0即1252,ANSI

   //可以从ResourceView中的Version中BlockHeader中看到

   //可以测试的属性

   /*

   CompanyName

   FileDescription

   FileVersion

   InternalName

   LegalCopyright

   OriginalFilename

   ProductName

   ProductVersion

   Comments

   LegalTrademarks

   PrivateBuild

   SpecialBuild

   */

   &lpBuffer,

   &uLen);

if(dwRtn == )

{

   return "";

}

szVersion = (char*)lpBuffer;

delete pBuf;

return szVersion;

}

void main()

{

#define MY_BUFSIZE 500

    HKEY hKey;

    TCHAR szProductType[MY_BUFSIZE];

    DWORD dwBufLen = MY_BUFSIZE;

    LONG lRet;

    if(RegOpenKeyEx(HKEY_LOCAL_MACHINE,

        TEXT("SOFTWARE\\Tencent\\PlatForm_Type_List\\3"),

        ,

        KEY_QUERY_VALUE,

        &hKey) == ERROR_SUCCESS)

    {

        lRet = RegQueryValueEx(hKey,

            TEXT("TypePath"),

            NULL,

            NULL,

            (LPBYTE)szProductType,

            &dwBufLen);

        //return szProductType;

    }

    RegCloseKey(hKey);

    //char * strFilePath  = "C:\\Program Files\\Tencent\\QQ\\Bin\\QQ.exe";

    char * strFilePath = szProductType;

    cout << strFilePath << " FileDescription is: " << GetFileVersion(strFilePath) << endl;

    getchar();

}

注:工程默认是多字节编码

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