C++ 获取文件版本

static string GetFileVersion() {char FileName[MAX_PATH] = {0};::GetModuleFileName(NULL, FileName, sizeof(FileName) - 1);string asVer = "";VS_FIXEDFILEINFO *pVsInfo;unsigned int iFileInfoSize = sizeof(VS_FIXEDFILEINFO);int iVerInfoSize = GetFileVersionInfoSize(FileName, NULL);if(iVerInfoSize != 0){char *pBuf = NULL;while(!pBuf){pBuf = new char[iVerInfoSize];}if(GetFileVersionInfo(FileName, 0, iVerInfoSize, pBuf)){if(VerQueryValue(pBuf, "\\", (void **)&pVsInfo, &iFileInfoSize)){sprintf(pBuf, "%d.%d.%d.%d", HIWORD(pVsInfo->dwFileVersionMS), LOWORD(pVsInfo->dwFileVersionMS), HIWORD(pVsInfo->dwFileVersionLS), LOWORD(pVsInfo->dwFileVersionLS));asVer = pBuf;}}delete pBuf;}return asVer;}