O/H Wilna Smith έγραψε:
> 
> 
> I am teaching Delphi at high school level. We want to do a program

Delphi at a high school? That's really nice.

> where 2 cars (bitBtns) move towards each other until you press a
> button. How does one check if a button is pressed or not inside the
> while loop?
> 
> Regards
> Wilna Smith


procedure TForm1.StopButtonClick(Sender: TObject)
begin
   StopButtonClicked := True;
end;

procedure TForm1.Loop;
begin
   while not StopButtonClicked do
   begin
     Application.ProcessMessages; { let app process any other message }
     // the rest of the code
   end;

   StopButtonClicked := False;
end;

-- 
Regards
Theo

------------------------
Theo Bebekis
Thessaloniki, Greece
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