ls entirely or partially within a region; it returns a value of type <A NAME="Shapes_e.htm_IX_TestRectReturnType">
 </A>
<CODE>
TestRectReturnType</CODE>
 specifying the degree of overlap. These two functions are very useful when using regions for clipping purposes; if a given point or rectangle is discovered to be outside the clipping region, there's no need to draw the point or rectangle.</P>
<P>
Some application writers may wish to define regions directly without describing a path. Regions are described 