Dear Stephen,
The error I got is "MemoryMgr.c, Line4450, Invilid Chunk.ptr". Do you know
why it happen?
Thank a lot for you help again!! ^_^
Oscar
----- Original Message -----
From: "Oscar" <[EMAIL PROTECTED]>
To: "Palm Developer Forum" <[EMAIL PROTECTED]>
Sent: Monday, February 12, 2001 8:03 AM
Subject: Re: Dynamic UI problem
> Hi Stephen,
>
> Thanks for your help, but my program still doesn't work. I have tried to
> make a simple new project by just adding a button on the main form and add
> the following code under capturing the CtrlSelectEvent:
>
> case MainTestButton:
> #define GadgetID 3001
> FormPtr NewPtr = frmP;
> FormGadgetType *GadgetType = FrmNewGadget ( (Form Type **) &NewPtr,
> GadgetID, 50, 50, 20, 20);
>
> but the program still crash everytime when I run the "FrmNewGadge( )"
> function, do you know why?
>
> Oscar
>
>
> ----- Original Message -----
> From: "Stephan Veigl" <[EMAIL PROTECTED]>
> To: "Palm Developer Forum" <[EMAIL PROTECTED]>
> Sent: Monday, February 12, 2001 7:04 AM
> Subject: Re: Dynamic UI problem
>
>
> > Hi Oscar
> >
> > > What should I set for the "id" in the following function?
> > > FormGadgetType *FrmNewGadget (FormType **formPP, UInt16 id, Coord x,
> Coord
> > > y, Coord width, Coord height)
> >
> > the id is a unique object ID, just of the same type used in the PILRC
> resource- / headerfiles (don't know how it's in CW, but there should also
be
> a 16 bit ID number for each object)
> >
> > > What should I set for the "id" and "rseID" in the following function?
> > > FormBitmapType *FrmNewBitmap (FormType **formPP, UInt16 ID, UInt16
> rscID,
> > > Coord x, Coord y)
> >
> > rcsID is the (resource) ID of the bitmap you want to display. this is
the
> ID you used to define the BITMAP resource.
> >
> >
> > > FormPtr NewPtr = frmP;
> > >
> > > FormGadgetType *GadgetType = FrmNewGadget ((&NewPtr), 9999, 50, 50,
20,
> 20);
> > >
> > > FormBitmapType *A = FrmNewBitmap ((&NewPtr), 1234, 5678, 20 , 20);
> >
> > seams pretty ok, except that I would use ID defines and type casts (but
> that's more a question of style)
> >
> > #define GadgetID 3001 // unique ID nr
> >
> > FormGadgetType *GadgetType = FrmNewGadget ( (Form Type **) &NewPtr,
> GadgetID, 50, 50, 20, 20);
> >
> > for the bitmap: do you have a bitmap with the ID: 5678 in your resource
> file?
> >
> > be sure to use only NewPtr after this function - even in parent
functions,
> the program may crash if you try to access the old frmP pointer
> >
> > by(e)
> > Stephan
> >
> > --
> > PGP Fingerprint: 0090 E02F 39A8 F2AF 6A79 43D7 B847 C26D 108E E2F0
> > PGP PublicKey: http://www.unet.univie.ac.at/~a9526342/sveigl.asc
> >
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