> > Does anyone know how to make every other pixel white
> > on a bitmap (checkerboard patter) so that it appears
> > to be grayed out?
>
> Draw your bitmap, use WinSetPattern and WinFillRectangle to draw a grey
> rectangle offscreen, then use WinCopyRectangle in winErase mode to
> screen out every other pixel. To get alternating pixels, use a custom
> pattern defined like
>
> CustomPatternType greyPattern = { 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA,
> 0x55, 0xAA };
>
> There are other ways to do this, but its not easily done on pre-3.5
> devices.
the solution you specified will work on pre-3.5 systems :)
it however, is probably better to pre-render the image and store
the "greyed" image seperately and then draw over the current bitmap
when you want it greyed out :)
// az
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