Well Andrey, detect the pre 3.5 devices and use WinDrawLine instead... or
tell the user the app requires 3.5... your choice - either is pretty simple
to implement! :-)


Cheers,
Gavin.

Andrey A. Belkin <[EMAIL PROTECTED]> wrote in message
news:102455@palm-dev-forum...
>
> :-)
> But then all 3.0 devices will show error message that trap not found? :(((
>
> --
> Andrey A. Belkin
> [EMAIL PROTECTED]
>
>
>
> > Of course there is Andrey, but only on devices that support colour...
:-)
> >
> > You can draw coloured lines by doing what I'm assuming you are doing -
set
> > the for colour, paint some lines - but this will only work(*) on colour
> > devices with OS 3.5 or above.
> >
> >
> > Cheers,
> > Gavin.
> >
> > * work in the sense of actually displaying coloured lines...
> >
> >
> > Andrey A. Belkin <[EMAIL PROTECTED]> wrote in message
> > news:101983@palm-dev-forum...
> > >
> > > You are right, thank you.
> > > So, there is no appropriate mechanism to draw colored lines :((
> > >
> > > --
> > > Andrey A. Belkin
> > > [EMAIL PROTECTED]
> > >
> > >
> > > "Gavin Maxwell" <[EMAIL PROTECTED]> wrote in message
> > > news:101902@palm-dev-forum...
> > > >
> > > > It's *not* WinDrawLine causing the problem - it's WinSetForeColor.
How
> > do
> > > I
> > > > know this? I simply looked up the trap address referred to in the
> error
> > > > message... why did you think it was WinDrawLine causing the
problem??
> > > >
> > > > FYI, WinSetForeColor is in OS3.5 and above only... and if you are
> trying
> > > to
> > > > draw coloured lines you need to use WinPaintLine instead, which
again
> is
> > > OS
> > > > 3.5 and above only...
> > > >
> > > >
> > > > Gavin.
> > > >
> > > > Andrey A. Belkin <[EMAIL PROTECTED]> wrote in message
> > > > news:101861@palm-dev-forum...
> > > > >
> > > > > How to draw a line, since WinDrawLine says that my application
> "tried
> > to
> > > > > call Palm OS routine #A398 (unknown trap number). The routine does
> not
> > > > exist
> > > > > in this version of the Palm OS."
> > > > > But I set up "Palm OS Target" to "Palm OS 3.1 and later" in
Project
> > > > Settings
> > > > > of my CodeWarrior 8 project.
> > > > > Also, there are no Compatibility issues specified to WinDrawLine
> > > function
> > > > in
> > > > > API documentation.
> > > > > Thanks.
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > >
> > >
> >
> >
> >
> >
>
>
>
>



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