> Instead of one callingWinDrawRectangle followed by WinEraseRectangle, one
> can call WinInvertRectangle twice (with the same parameters). The only
> inverts the boundary, but it does not erase the interior. This is usually
a
> better bet, because if the boundary is non-empty then it is likely that
the
> interior is also non-empty.
>
> For a circle of radius r, centre (x,y) the code would be:
> RectangleType R1 = {x-r, y-r, 2*r, 2*r};
> RectangleType R2 = {x-r, y-r, 2*r-2, 2*r-2};
> WinInvertRectangle(R1, r);
> WinInvertRectangle(R2, r-1);little typo there. -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
