I added a check in the SetdbHandleShared() and SetdbHandle() methods so that
it will acquire the session hooks from the client library so that subsequent
calls to the API will result in a valid API call instead of bumping into a
nil pointer in the DLL imports.

Jason Wharton

> -----Original Message-----
> From: IBObjects@yahoogroups.com [mailto:IBObjects@yahoogroups.com]On
> Behalf Of trac_t2000
> Sent: Thursday, April 06, 2006 8:48 AM
> To: IBObjects@yahoogroups.com
> Subject: [IBO] Re: Install Problems and After Install Problems
>
>
> Thanks Jason. I have already un-installed the update and just went
> back to the prior version that we have. I had to get some work
> done :-)
>
> I will wait for the sub-release.
>
> Before when I was trying to debug, I did connect the IBO connection
> and then disconnect to try to get rid of the AV errors. It seemed to
> work at first, but I found that it made the BDE queries error.
>
> Thanks again
>
>
> --- In IBObjects@yahoogroups.com, "Jaon Wharton" <jwharton@...> wrote:
> >
> > The other problem has to do with some changes made to acquiring the
> > addresses of the exported methods in the client library. They
> remain nil
> > because there is an assumption if a live connection handle exists
> that they
> > export addresses have already be acquired. I need to touch up the
> code to
> > cover the case where a live handle is simply handed to the
> connection
> > object.
> >
> > What you will need to do to work around it for now is to make a
> call with
> > the connection object that will trigger it to read in the client
> library
> > export methods. You could connect it directly, then disconnect it
> and then
> > plug in the shared database handle. You may be able to do
> something more
> > simple too. Just play with it a little and I'll work on getting
> this fixed
> > for the next sub-release.
> >
> > Regards,
> > Jason Wharton
> >
> >
> > > -----Original Message-----
> > > From: IBObjects@yahoogroups.com [mailto:IBObjects@yahoogroups.com]
> On
> > > Behalf Of trac_t2000
> > > Sent: Friday, March 31, 2006 5:00 PM
> > > To: IBObjects@yahoogroups.com
> > > Subject: [IBO] Install Problems and After Install Problems
> > >
> > >
> > > Hello:
> > >
> > > I am using Delphi 5 Ent and trying to install IBO 4.6. Before
> this I
> > > had 4.3xx. My problem seems to be coming from the
> > > IB_OLEContainer. It
> > > uses a ZLib.pas. I use another component for Report Builder
> called
> > > XtraDev, which also uses a pas file called zLib.
> > >
> > >
> > > I don't think I need the IB_OLEContainer so I removed all
> > > reference to
> > > it in the IBO packages. Well, I finally got it to work and
> > > things seem
> > > to be fine so far....Is this going to be a problem?
> > >
> > >
> > > Ok for the after install problem. MY MAIN PROBLEM....
> > >
> > > One of our main apps is still using both BDE and IBO for
> > > connections.
> > > We have code that worked with the previous version of IBO but
> > > now does
> > > not. Basically, our app would connect the BDE's TDatabase
> > > first...Then
> > > it would get the Data handle from the TDatabase object and
> > > assign it to
> > > the IB_Connection's dbHandleShared. Well since I have installed
> the
> > > new version, it is throwing an access violation.
> > >
> > > 'Access violation at address 00000000. Read of address 00000000'
> > >
> > > Below is the line of my code throwing the error....
> > >
> > > 'Ib_Connection1.dbHandleShared := GetNativeHandle(dbBDEMain);'
> > >
> > >
> > > I have verified that the IB_Connection and the TDatabase
> > > Connection are
> > > NOT nil...It must be something with the dbHandleShared property.
> I
> > > have tried to trace the code down. Here are the procedure
> > > calls that I
> > > can successfully trace down:
> > > TIB_Connection.SetdbHandle( AValue: isc_db_handle );
> > > -> SysUpdateCharacteristics
> > > -> API_Database_Info( Items, Results );
> > > -> errcode := isc_database_info
> > >
> > > It seems to throw the error somewhere from the isc_database_info.
> > >
> > >
> > > I am using firebird 1.5...Not sure what else I need to say..
> > >
> > > Can anyone help me?
> > >
> > > Trac