Files Delphi

Title: How to read the version of a file
function GetVersion: string;
var
VerInfoSize: DWORD;
VerInfo: Pointer;
VerValueSize: DWORD;
VerValue: PVSFixedFileInfo;
Dummy: DWORD;
begin
Result := '';
VerInfoSize := GetFileVersionInfoSize(PChar(ParamStr(0)), Dummy);
if VerInfoSize = 0 then Exit;
GetMem(VerInfo, VerInfoSize);
GetFileVersionInfo(PChar(ParamStr(0)), 0, VerInfoSize, VerInfo);
VerQueryValue(VerInfo, '\', Pointer(VerValue), VerValueSize);
with VerValue^ do
begin
Result := IntToStr(dwFileVersionMS shr 16);
Result := Result + '.' + IntToStr(dwFileVersionMS and $FFFF);
Result := Result + '.' + IntToStr(dwFileVersionLS shr 16);
Result := Result + '.' + IntToStr(dwFileVersionLS and $FFFF);
end;
FreeMem(VerInfo, VerInfoSize);
end;