procedure PropertiesDialog(FileName:String);
var
  sei: TShellExecuteInfo;
begin
  FillChar(sei, SizeOf(sei), 0);
  sei.cbSize := SizeOf(sei);
  sei.lpFile := PChar(filename);
  sei.lpVerb := 'properties';
  sei.fMask  := SEE_MASK_INVOKEIDLIST;
  ShellExecuteEx(@sei);
end;

[호출방법]
procedure TForm1.Button1Click(Sender: TObject);
begin
  if Opendialog1.Execute then PropertiesDialog(Opendialog1.FileName);
end;