The AutoCreate business probably set the visible property of the form to true.
Try setting it to false, then your showmodal should work. ----- Original Message ----- From: "Mark Derricutt" <[EMAIL PROTECTED]> To: "Multiple recipients of list delphi" <[EMAIL PROTECTED]> Sent: Tuesday, August 20, 2002 9:07 PM Subject: [DUG]: Strange TTimer/ShowModal behaviour (kylix) > 'lo all, have a strange problem afflicting a kylix 2 application. > > Take a project with 2 forms, Form1 & Form2, put a TTimer on Form1, and give > it the following code: > > procedure TForm1.Timer1Timer(Sender: TObject); > begin > Form2.ShowModal; > Caption := 'Boo'; > end; > > Form2 displays, but shortly afterwards, about a second, Form1's caption is > set to Boo, whilst the modal form is still displayed. > > I've just tried the exact same thing under Delphi 5, and shortly after > Form2 is displayed, I get an exception saying "EInvalidOperation with > message 'Cannot make a visible window modal". > > I noticed that Form2 was still in the AutoCreate list, removing it, and > creating/freeing a TForm2 instance in the timer solved the problem in both > the Delphi and Kylix versions. > > But why is this? When Form2 was being autocreated, it wasn't being shown, > so why would ShowModal cause problems? > > Mark > > > > -- \m/ -- > "...if I seem super human I have been misunderstood." (c) Dream Theater > [EMAIL PROTECTED] - ICQ: 1934853 JID: [EMAIL PROTECTED] > > -------------------------------------------------------------------------- - > New Zealand Delphi Users group - Delphi List - [EMAIL PROTECTED] > Website: http://www.delphi.org.nz > To UnSub, send email to: [EMAIL PROTECTED] > with body of "unsubscribe delphi" > Web Archive at: http://www.mail-archive.com/delphi%40delphi.org.nz/ > > --------------------------------------------------------------------------- New Zealand Delphi Users group - Delphi List - [EMAIL PROTECTED] Website: http://www.delphi.org.nz To UnSub, send email to: [EMAIL PROTECTED] with body of "unsubscribe delphi" Web Archive at: http://www.mail-archive.com/delphi%40delphi.org.nz/
