matically; having the same beginning and ending point is unnecessary.</P>
<P>
<CODE>
GrFillPolygon()</CODE>
<A NAME="Shapes_a.htm_IX_GrFillPolygon()">
 </A>
 fills the interior of a polygon. It does so using the current area attributes. It also uses a fill rule, describing how the polygon should be filled. The odd/even fill rule decides whether a point is within a polygon by seeing how many times a ray drawn from the point to the exterior of the polygon crosses an edge of that polygon. If the result is odd,