function GetFileDateTime(const FileName: TFileName): TDateTime; var FStruct: TOFSTRUCT;
wndFile: Integer; begin wndFile := OpenFile(PChar(FileName), FStruct, OF_SHARE_DENY_NONE);
Result := FileDateToDateTime(FileGetDate(wndFile));
CloseHandle(wndFile); end;
procedure TForm1.Button1Click(Sender: TObject); begin
if Opendialog1.Execute then label1.Caption := DateTimeToStr(GetFileDateTime(Opendialog1.FileName)); end;