Subject Re: [IBO] TIB_Combo makes program crash
Author Jason Wharton
Please send me a demo of this problem.

Jason Wharton
CPS - Mesa AZ

----- Original Message -----
From: "mircostange" <mirco@...>
To: <>
Sent: Wednesday, February 27, 2002 5:36 AM
Subject: [IBO] TIB_Combo makes program crash

> Hm, it seems I have a problem in my application, but its not quite
> easy to describe. The application crashes when I exit and the
> execption gives me the following stack:
> TIB_CustomComboBox.DataChange(???,???,nil)
> TIB_DataLink.DoDataChange(???)
> TIB_DataLink.SysDataChange(nil)
> TIB_ControlDataLink.SysDataChange(???)
> TIB_FieldDataLink.SysDataChange(???)
> TIB_FieldDataLink.SysLayoutChanged
> TIB_DataLink.ProcessStatementEvent(setLayoutChanged,0)
> TIB_FieldDataLink.ProcessStatementEvent(???,???)
> TIB_DataSource.ProcessEvent(setLayoutChanged,4274784)
> TIB_Statement.ProcessLinkEvent((out of bound) 96,4303432)
> TIB_Dataset.ProcessLinkEvent(???,???)
> TIB_Statement.SysLayoutChanged
> TIB_Statement.SysUnprepare
> TIB_Dataset.SysUnprepare
> TIB_BDataset.Destroy
> Seems something is wrong with my combo. The once causing this error
> is bound to a dataset and this in turn to a query that is never
> activated. Furthermore, the combobox is on a panel which is not shown
> during execution. Third, the combobox style is dropdown list.
> Given those 3 conditions, the application crashes. When I change the
> style to something else, everything is ok. When I show the frame and
> activate the query, everything is fine.
> Does this give anyone some hint what's wrong? I tried to reproduce in
> a separate app, but with no success. Sorry, sounds difficult.
> Mirco