#include "utils.h"

std::wstring getVersion(std::wstring filePath)

{

std::wstring retVer;

if (!filePath.empty() && ::PathFileExists(filePath.c_str()))

{

DWORD handle = 0;

DWORD bufferSize = ::GetFileVersionInfoSize(filePath.c_str(), &handle);

if (bufferSize > 0)

{

unsigned char* buffer = new unsigned char[bufferSize];

::GetFileVersionInfo(filePath.c_str(), handle, bufferSize, buffer);

VS_FIXEDFILEINFO* lpFileInfo = nullptr;

UINT cbFileInfo = 0;

VerQueryValue(buffer, TEXT("\\"), reinterpret_cast<LPVOID*>(&lpFileInfo), &cbFileInfo);

if (cbFileInfo)

{

std::wostringstream os;

os << ((lpFileInfo->dwFileVersionMS & 0xFFFF0000) >> 16);

os << '.';

os << (lpFileInfo->dwFileVersionMS & 0x0000FFFF);

os << '.';

os << ((lpFileInfo->dwFileVersionLS & 0xFFFF0000) >> 16);

os << '.';

os << (lpFileInfo->dwFileVersionLS & 0x0000FFFF);

retVer = os.str();

}

delete[] buffer;

}

}

return retVer;

}