FillCRgn
FillCRgn Fill region with specified pattern
#include <Quickdraw.h> Color Quickdraw
void FillCRgn(theRgn, thePpat );
RgnHandle theRgn ; handle of Region to fill
FillCRgn fills all pixels enclosed by a region with a specified pattern. The
transfer mode is CopyPixPat, overwriting all bits within the region.
theRgn is the handle of a region.
thePpat is a PixPatHandle structure.
Returns: none

Notes: The interior of the region, including the output of any previously- executed
frame operation, is overwritten by the pattern.
The pen position is not changed by this function. The cGrafPort's pen
pattern, pen mode, and background pattern are ignored.