Snapping to objects of blocks-inserts is also implemented (and it is recursive).
kCADEventPhaseBeforephase of the following events:
If snapping is off, or if there is no snap at the given mouse location, theMouseX and
theMouseY contain the same data as theMouseX2 and theMouseY2.
CADFindSnapis new. Please note that it uses current area settings (like zoom factor and
Note. There is a subtle difference in the way grips are located by snaps as compared to
the use of grips by edit operations like reshape and translate. Snaps always
find the grip or blip that is nearest to the mouse coordinates. Edit operations,
(like reshape and translate) find the grip that is topmost.