[CheshireCat]

Hello Darren,

if you make Form2 invisible, RadioButtons should have no focus!

Code:

procedure TForm2.FormHide(Sender: TObject);
begin
ActiveControl := nil;
end;

I don't know it's an error, but I observe this behavior since I use delphi …

[DarrenB]

Good morning Sascha, I hope u r well 🙂

Thanks for your reply… I did not know what you said! I have inserted an

ActiveControl := nil;

In all the relevant positions in my main application and the advice you offered seems to be perfect. Certainly the error I was having last night is now fixed 🙂

Thankyou 😀

Darren

[CheshireCat]

'DarrenB' wrote:

I did not know what you said!

Sorry for my bad english :blush:

[DarrenB]

'CheshireCat' wrote:

Sorry for my bad english :blush:

lol Sascha nooooo your english was perfectly understandable… I just meant I did not know that I should put the ActiveControl:=nil into the form hide event!!!!

In this case, my English was bad!!!! lol 😉

[CheshireCat]

Ok Darren, that calms me 🙄

'DarrenB' wrote:

I just meant I did not know that I should put the ActiveControl:=nil into the form hide event!!!!

What I meant to say:

Radio buttons are activated when gets the focus. If the active control is a radio button when the form changes from hidden to visible, Windows sends a SetFocus message and the button is activated. This is not a Alpha Controls bug but a questionable behavior of Windows.

[DarrenB]

Useful to know, thanks Sascha 🙂

[Author]

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