versioninfo.cpp

Go to the documentation of this file.

// VersionInfo.cpp

#include "VersionInfo.h"
#include <windows.h>

std::string GetModuleVersionInfo(const char* pszPath, const char* pszResource)
{
  std::string s;
  char szPath[_MAX_PATH];
  szPath[0] = '\0';
  strncat(szPath, pszPath, sizeof(szPath)-1);
  DWORD dwBuffSize = GetFileVersionInfoSize(szPath, 0);
  LPVOID pszBuff = new char[dwBuffSize];
  LPSTR  lpInfo;
  if (GetFileVersionInfo(szPath, 0, dwBuffSize, pszBuff))
  {
    struct LANGANDCODEPAGE {
      WORD wLanguage;
      WORD wCodePage;
    } *lpTranslate;
    UINT cbTranslate;
    // Read the first language and code page
    VerQueryValue(pszBuff, 
                  TEXT("\\VarFileInfo\\Translation"),
                  (LPVOID*)&lpTranslate,
                  &cbTranslate);
    char szSubBlock[512];
    for( UINT i=0; i < (cbTranslate/sizeof(struct LANGANDCODEPAGE)); i++ )
    {
      _snprintf(szSubBlock, sizeof(szSubBlock),
        "\\StringFileInfo\\%04x%04x\\%s",
        lpTranslate[i].wLanguage,
        lpTranslate[i].wCodePage,
        pszResource);
      UINT dwBytes;
      if (VerQueryValue(pszBuff, szSubBlock, (LPVOID*)&lpInfo, &dwBytes))
      {
        s = lpInfo;
        break;
      }
    }
  }
  delete[]pszBuff;
  return s;
}

std::string GetVersionInfo(const char* pszResource)
{
  char szPath[_MAX_PATH];
  szPath[0] = '\0';
  std::string s;
  if (GetModuleFileName(NULL, szPath, sizeof(szPath)))
    s = GetModuleVersionInfo(szPath, pszResource);
  return s;
}

std::string GetProductInfo()
{
  std::string sProductName = GetVersionInfo("ProductName");
  std::string sVersion = GetVersionInfo("ProductVersion");
  return sProductName + " " + sVersion;
}

---