function GetFileVersion(vFileName: string): string;
var
Temp, InfoSize: Cardinal;
FileData: Pointer;
FileInfo: PVSFixedFileInfo;
begin
Result := '';
if not FileExists(vFileName) then Exit;
InfoSize := GetFileVersionInfoSize(PChar(vFileName), Temp);
if InfoSize = 0 then Exit; //没有版本号
FileData := GetMemory(InfoSize);
try
if not GetFileVersionInfo(PChar(vFileName), 0, InfoSize, FileData) then Exit;
if not VerQueryValue(FileData, '\', Pointer(FileInfo), Temp) then Exit;
GV_VersionInfo.Ver1:= FileInfo.dwFileVersionMS div $10000;
GV_VersionInfo.Ver2:= FileInfo.dwFileVersionMS mod $10000;
GV_VersionInfo.Ver3:= FileInfo.dwFileVersionLS div $10000;
GV_VersionInfo.Ver4:= FileInfo.dwFileVersionLS mod $10000;
Result := Format('%d.%d.%d.%d',
[FileInfo.dwFileVersionMS div $10000,
FileInfo.dwFileVersionMS mod $10000,
FileInfo.dwFileVersionLS div $10000,
FileInfo.dwFileVersionLS mod $10000]);
finally
FreeMemory(FileData)
end;
end;