You have two binary files that are talking to eachother. If they were
compiled with different versions of IBO and statically linked you will have
problems. If you use run-time packages then you are for sure referencing the
same compiled IBO code for both modules.

HTH,
Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com

----- Original Message -----
From: "John Tomaselli" <jrt@...>
To: <IBObjects@yahoogroups.com>
Sent: Monday, June 25, 2001 3:38 PM
Subject: RE: [IBO] Plugins


> Jason,
> Ok, I will test with a recompile with Run-Time but I don't undestand what
> you mean by a "difference base of code".
> Johnb
>
> -----Original Message-----
> From: Jason Wharton [mailto:jwharton@...]
> Sent: Monday, June 25, 2001 5:04 PM
> To: IBObjects@yahoogroups.com
> Subject: Re: [IBO] Plugins
>
>
> Perhaps you have a difference base of code between the running app and the
> one you are plugging in with. Run-time packages ensures that you are using
> consistent code between the modules compiled separately.
>
> Jason Wharton
> CPS - Mesa AZ
> http://www.ibobjects.com
>
>
> ----- Original Message -----
> From: "John Tomaselli" <jrt@...>
> To: <IBObjects@yahoogroups.com>
> Sent: Monday, June 25, 2001 1:40 PM
> Subject: RE: [IBO] Plugins
>
>
> > Jason,
> > I'm not quite sure why creating run-time packages (which I thought was
> > mainly for distribution options) will fix the problem. Also I forgot to
> > mention that our testing worked fine with a BDE example. The Following
IBO
> > code is what gets tripped eventhough I test the Dataset as TIB_Dataset
> > before I set it. For some reason the typecast occurs here.
> >
> > function TIB_DataSource.GetDataset: TIB_Dataset;
> > begin
> > Result := FStatement as TIB_Dataset;
> > end;
> >
> > John
> >
> >
> > -----Original Message-----
> > From: Jason Wharton [mailto:jwharton@...]
> > Sent: Monday, June 25, 2001 3:36 PM
> > To: IBObjects@yahoogroups.com
> > Subject: Re: [IBO] Plugins
> >
> >
> > I think the only way this will work is if you are using run-time
packages.
> > Then, each module is getting and using objects created in the same
> context.
> >
> > Jason Wharton
> > CPS - Mesa AZ
> > http://www.ibobjects.com
> >
> >
> > ----- Original Message -----
> > From: "John Tomaselli" <jrt@...>
> > To: <IBObjects@yahoogroups.com>
> > Sent: Monday, June 25, 2001 12:37 PM
> > Subject: RE: [IBO] Plugins
> >
> >
> > > Hi Jason,
> > > We are in the middle of creating a Demo App for smartPlugin from
> Athrasoft
> > > http://athrasoft.cjb.net/ ). When Finished we will put then demo
> project
> > on
> > > both web sites for this very impressive product and hopefully save
lots
> of
> > > time for the next IBOite who would like to use it.
> > > Mostly things have gone very well;
> > > Able to share database connections from Host with the Plugins.
> > > Able to pass along tib_query and Datasources from Host to Plugin
(needed
> > for
> > > Legacy applications)
> > > The problem occurs when I try to use these objects as a datasource.
> > > i.e.
> > >
> > > Params is a variable list passed from Host to Plugin in the following
> > line.
> > > with Manager.LoadPlugin (True, PinName + '.spi',
> > > dm1.ib_query1,dm1.ib_datasource15], @Pin) do
> > >
> > > The plugin picks them off in the following manner.
> > > TObject(Fdataset) := Var2Obj(Params[0]); { Fdataset: TIB_BDataset; }
> > > TObject(dsHostPass) := Var2Obj(Params[1]); {dsHostPass:
> TIB_DataSource;}
> > >
> > > The following code works fine when programattically using the dataset.
> > > Fdataset.bufferfirst;
> > > frmMDI_1.edit3.text :=
> > Fdataset.bufferfieldbyname('Description').asstring;
> > > // works!
> > >
> > >
> > > I would like to assign a datasource with the passed along object so I
> > could
> > > have a grid display the results. The following code gives an invalid
> > > typecast error. I have tried serveral different methods all with the
> same
> > > results.
> > >
> > > IB_DataSource2.dataset:= Fdataset; // blows up
> > >
> > > Is this possible?
> > > TIA
> > > John
> > >
> > >
> > >
> > >
> > >
> > >
> > > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> > >
> > >
> >
> >
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
> >
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>