Keith,
thanks a lot - this works.
Actually I looked at the PalmOS source code: The problem can be solved
only with
WinSetDrawWindow (FrmGetWindowHandle(FrmGetActiveForm()));
Mick
Keith Wolcott wrote:
>
> Mick,
>
> I spent some time yesterday checking my apps for 3.5 compatibility and I
> have seen what seems to be exactly your situation. Not calling FrmDrawForm
> before the WinEraseRectangle gets called (in FrmHideObject), can result in
> this error. WinDrawRectangle also needs to have a form drawn first. My
> understanding is that with color, OS 3.5 is wanting to be clear where to
> draw to.
>
> OS 3.5 looks good. I did not run into any problems other than using
> FrmDrawForm at the correct time.
>
> Keith
>
> Mick Doe wrote:
>
> > Hello!
> >
> > I have a part of source code which works fine for all Palm OS except 3.5
> > (palmos35-dr4-en-colordbg.rom). Here it is:
> >
> > // Draw "please wait" form
> > FormPtr frmWait = FrmInitForm (WaitForm);
> > FrmDrawForm(frmWait);
> > // Do something lengthly ..
> > FrmEraseForm(frmWait);
> > FrmDeleteForm(frmWait);
> > //
> > ....
> > FormPtr frm = FrmGetActiveForm();
> > FrmHideObject(frm, FrmGetObjectIndex(frm, Field1)); // error is here
> > FldSetTextHandle(ctx, (Handle) HandleText);
> > FrmShowObject(frm, FrmGetObjectIndex(frm, Field1));
> >
> > The error is two strange letters (I use CW5, POSE 3.0a3 W98) .. the
> > stack is:
> > ...
> > FrmHideObject
> > FldEraseField
> > WinEraseRectangle - movea.l 26(a3),a2 - error at this instruction
> >
> > What does it mean? How can I avoid this?
> >
> > Any help is welcome!
> >
> > Regards,
> > Mick Doe
__________________________________________________
Do You Yahoo!?
Talk to your friends online with Yahoo! Messenger.
http://im.yahoo.com
