Subject RE: [IBO] Plugins
Author John Tomaselli
Also, the run-time packages did not work.
John

-----Original Message-----
From: Jason Wharton [mailto:jwharton@...]
Sent: Monday, June 25, 2001 7:07 PM
To: IBObjects@yahoogroups.com
Subject: Re: [IBO] Plugins


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
> > >
> > >
> > >
> > >
> > >
> > >
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> > >
> > >
> >
> >
> >
> >
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> >
> >
> >
> >
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http://docs.yahoo.com/info/terms/
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> >
>
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>
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