XEmptyRegion() XEmptyRegion() Name XEmptyRegion - determine if a region is empty. Synopsis Bool XEmptyRegion(r) Region r; Arguments r Specifies the region to be checked. Returns True if it's empty, else False. Description XEmptyRegion() will return True if the specified region is empty, or False otherwise. Structures Region is a pointer to an opaque structure type. See Also XClipBox(), XCreateRegion(), XDestroyRegion(), XEqualRegion(), XIntersectRegion(), XOffsetRegion(), XPointInRegion(), XPolygonRegion(), XRectInRegion(), XSetRegion(), XShrinkRegion(), XSubtractRegion(), XUnionRectWithRegion(), XUnionRegion(), XXorRegion(). Xlib - Regions XEmptyRegion()