Subject Re: [IBO] Access violation on create calculated fields
Author Jason Wharton
I did all the necessary work on this already. They just have an old version
of IBO.

Also, in IBO4 the XSpin control is back because there is a clean separation
of Geoff's code and the IBO code. We were able to use Interfaces to
accomplish this.

So, this leaves me to use this other control so that our packages can remain
independent of eachother.

Jason Wharton
CPS - Mesa AZ

----- Original Message -----
From: "Claudio Valderrama C." <cvalde@...>
To: <>
Sent: Thursday, May 17, 2001 5:19 PM
Subject: RE: [IBO] Access violation on create calculated fields

> > -----Original Message-----
> > From: Dietrich Schulten [mailto:ibo@...]
> > Sent: Lunes 14 de Mayo de 2001 4:22
> >
> > Hi,
> >
> > working with the TIB_Query editor, I came across the following problem:
> > When I go to SQL-Calculated Fields and right-click the text area,
> > calculated field" appears. When I choose it, I get an Access Violation.
> Hello.
> I created the small editor you're trying to invoke. I suspect that your
> exception is the equivalent of the message "Error reading
> sePrecision<garbage>: Property does not exist." that I get in Delphi 3.
> I didn't know that it wasn't working. I will try to explain briefly and
> hope I won't make some people's skin itchy: there were some spin edits in
> IB_WISQL. At some time, Geoff included in IBO his [variant] version of the
> spin edit. It worked great in D4 and above, but I fell in a kind of hell,
> since D3 cannot stream variant properties. Geoff used some hooks in the
> stream mechanism to get the work done in any Delphi/BCB version. At that
> time, I had replaced some of the controls with the SpinEdit that comes
> D3 in the Samples palette. Jason told me that this control didn't exist in
> upper versions and that he considered illegal to use it, so he was happy
> with the replacement made by Geoff. Now it seems that the small dialog
> implements the calculated fields editor never was updated.
> I think that the solution is for someone with D4 or BCB4 or above to open
> IBF_GenCalcFields and save the DFM again. Geoff?
> C.
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