I guess I can just wait for a mouse enter event on a panel, and then get the mouse x/y position within that panel and figure out which button it's over, etc.
Unfortunately, if you put buttons on panels then the mouse x and y position can only be had when the mouse is NOT over a button. :(
Seems like a lot of events are not yet supported for some gadgets. And where's the frame gadget? Hopefully, these things will be added to MaxGUI in the near future (after Max3D, of course).
Russell