C++ Get file version and return formatted string(Windows)

GetFileVersion.cpp

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

#define MAX_LINE_LENGTH 4096

CString GetFileVersion(LPCTSTR filePath)
{
	CString ret(_T(""));
	DWORD dummy;
	DWORD dwSize = GetFileVersionInfoSize(filePath, &dummy);
	if (dwSize == 0) ret = _T("Error retriving version(Module Not Found)");
	else
	{
		BYTE* data = new BYTE[dwSize];
		if (!GetFileVersionInfo(filePath, NULL, dwSize, &data[0]))
			ret = _T("Error retriving version(Version Data Not Retrived)");
		else
		{
			UINT infoLen = 0;
			VS_FIXEDFILEINFO * pFixedInfo = NULL;
			if (!VerQueryValue(&data[0], _T("\\"), (LPVOID *)&pFixedInfo, &infoLen)) ret = _T("Error retriving version(Version Data Query Failed)");
			else
			{
				ret.Format(_T("%u.%u.%u(%u)"),
					HIWORD(pFixedInfo->dwFileVersionMS),
					LOWORD(pFixedInfo->dwFileVersionMS),
					HIWORD(pFixedInfo->dwFileVersionLS),
					LOWORD(pFixedInfo->dwFileVersionLS));
			}
		}
		delete[] data;
	}
	return ret;
}