Re: Cobol books & experiences


"James J. Gavan" <jgavandeletethis@xxxxxxx> wrote in message
news:8vnhf.601960$1i.251985@xxxxxxxxxxx
> Rick Smith wrote:
> > "Pete Dashwood" <dashwood@xxxxxxxxxxxxxx> wrote in message
> > news:3uli66F11il6aU1@xxxxxxxxxxxxxxxxx
> > [snip]
> >
> >> Touch screens are also very
> >>useful and you can't really do them UNLESS it is GUI. The touch
> > co-ordinates
> >>are returned through the mouse driver so it is just like a left click.
> >
> > I suppose that depends upon how one defines
> > 'touch screen'.
>
> No implication at all - the reference was to YOU-TOUCH-THE-SCREEN. You
> are splitting hairs.

Consider,
class TouchScreen inherits from Base

class AtmScreen inherits from TouchScreen
class GasPumpScreen inherits from TouchScreen
class PosScreen inherits from TouchScreen

If one defines 'touch screen' as an abstraction,
other uses may become more apparent.

If one defines 'touch screen' as
"YOU-TOUCH-THE-SCREEN" and "[t]he touch
co-ordinates are returned through the mouse driver",
there aren't as many uses.



.

Relevant Pages

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