prclBoundRect (PRECTL) - input

Pointer to bounding rectangle.

RECTL structure:

xLeft

Minimum x-coordinate of window
yBottom
Minimum y-coordinate
xRight
Maximum x-coordinate of window
yTop
Maximum y-coordinate
Only rectangles intersecting this bounding rectangle are returned. If this pointer is NULL, all rectangles in the region are enumerated. If this pointer is not NULL, only rectangles that intersect the bounding rectangle are returned. Each of these rectangles is the intersection of the bounding rectangle with a rectangle in the region.