ck squares. When using MM_COPY, the white areas of the checkerboard will overwrite whatever was underneath. When drawing a checkerboard with individual black squares, the background would show through no matter what background because there's nothing drawn between the squares.</P>
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<A NAME="Shapes_14.htm"></A>


<H3 CLASS="subsectionTitle">
<A HREF="#index.htm">Drawing Graphics</A>: 3.4 <A HREF="#Shapes_10.htm">Shape Attributes</A>: 
Masks</H3>
<PRE>GrSetAreaMaskSys(), GrSetAreaMaskCustom(), GrGetAreaMa