How to stop prevent an OptionsPage to close in .Apply Event?

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How to stop prevent an OptionsPage to close in .Apply Event?
 
Andrei Jugovic




Posts: 59
 Joined: 2007-02-08
Hi!

I figured out, that I can use the .Apply event of my OptionsPage to check the changed the options and save them.

But what do I have to do when some of the options are wrong. Sure, I a can notice that and show a Message like "Please change value XY to a valide value...". But if the user had clicked on "OK" the options dialoge will close anyway... How can I prevent that, so that the user has to make the necessary changes first?

Posted 15 Mar, 2007 07:11:09 Top
Dmitry Kostochko


Add-in Express team


Posts: 2887
 Joined: 2004-04-05
Hi Andrei,

You can return E_FAIL instead of S_OK: 


function TMyOptionsPage.Apply: HResult;
begin
  if not CheckSomeConditions() then
    Result := E_FAIL
  else begin
    FDirty := False;
    Result := S_OK;
  end;
end;


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Posted 15 Mar, 2007 10:14:12 Top