>>If I ever get done. Anyway, the problem is in creating the bit XOR and AND masks for the icon file. Icons are very different from bitmaps. In fact, the latter is pretty well documented by comparison.
>>
>>The idea is this: Take a given 32x32 icon, programmatically shrink it to 16x16, and save both icons in a single file. I can shrink the thing (theorhetically with an API call), but I never figured out the the masks.
>
>Hmmm, sounds a bit cryptic and I have no experience at all in this area. Tho it sounds like an area I would like to learn about ... not many I don't. :-)

I learned everything I know about the subject in either the MSDN Library or the Platform SDK. I mean Obj2Bmp came about from digging around in those resources.