I think I get it re: printing but would like some verification of my 
understanding.

When printing, the printing context coordinate system is measured in points (pt 
= 1/72 inch).

When getting paper size it is returned in points.

The printing context is device independent.

So, to print an exact size bitmap of mine I just need to convert its dimensions 
to points.  So if my bitmap is measured in tenths of a millimeter I set its 
rect to be drawn in to (bitmap width * 72/254) and (bit map height * 72/254).

Yes?

-koko
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