a touchscreen will act just the way a mouse does. You don't have to do
anything special for it.
BUT
Keep in mind that fingers are thick (no small buttons), dragging is
impossible, it is also pretty hard to make a difference between a right and
a left click, ... I tried with left and right hand, but the computer
doesn't seem to notice the difference. Perhaps I have to install a new
servicepack and might this be fixed in the future.
A touchscreen has more to do with your GUI design than with your technology.
So are you saying that if I developed the application to be used by a
mouse then the application will work simply by plugging in a touch
screen? If that's the case... nice.
Yes. Touch screens simply have drivers that emulate mice.
No right-clicking because, how would you distinguish between a left and
right click? It's just a finger on the screen one way or the other.
As the previous poster said, use big buttons. They don't have to be huge,
though. Keep things spaced pretty well also since people tend to not be very
accurate with their finger and you don't want them accidentally hitting
adjacent buttons.
I'd disagree about the dragging. I've used web browsers through touch
screens and encountered no problems dragging the scrollbar.
Really, it's best to actually develop touch screen apps using the touch
screen because you really get a feel for how usable it is. That's hard to do
when you're using a mouse.
Mohamed Mahfouz
MEA Developer Support Center
ITworx on behalf of Microsoft EMEA GTSC
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