le 2001/08/15 21:05, Jay Reeve à jktr@... a écrit : > whether it is reliable to pass an address to fn > gethandlesize() and see if there is an error? I'll have to try it. no but you can do a hgetstate and examine the results to see if it is really a handle. _noErr and it's a handle, -109 or -111 and it's a bobo! i think. :-j