> To the many people who are having huge problems getting signature
> capture code working on both OSes before 3.5 and OS 3.5 and later.
>
> Why haven't you refactored the problem? If the issue is getting data
> off the screen, why not change the problem? A signature capture program
> boils down to
>
> 1) capture user pen strokes
> 2) show the strokes to the user
> 3) save the strokes for later use
>
> This begs for using backing store code, where the pen strokes modify an
> offscreen bitmap, and the bitmap is copied back to the main screen after
> each penMove. Then, when you're finished, you have a bitmap all ready
> for you to use and you don't have to deal with grabbing out of screen
> memory.
How would you apply the pen strokes to your off screen bitmap? If you use a
window, then you face the same problems of version dependency.
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