<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta content="text/html;charset=UTF-8" http-equiv="Content-Type"></head><body ><div style='font-size:10pt;font-family:Verdana,Arial,Helvetica,sans-serif;'><div>First, thanks for an awesome vid. Very informative.<br></div><div><br></div><div><br><blockquote style="border-top-color: rgb(204, 204, 204); border-left-color: rgb(204, 204, 204); border-right-color: rgb(204, 204, 204); border-bottom-color: rgb(204, 204, 204); border-top-width: 1px; border-left-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-top-style: solid; border-left-style: solid; border-right-style: solid; border-bottom-style: solid; padding-top: 7px; padding-right: 7px; padding-bottom: 7px; padding-left: 7px; background-color: rgb(245, 245, 245);"><div>|myMorphs|<br>myMorphs := Array new: 360.<br>0 to: 359 by:15 do:[:i | myMorphs at: i+1 put:((NCCurveMorph new) extent: 20@20; <br> openInWorld; <br> center: (450@330) + (300 *((i degreesToRadians cos)@(i degreesToRadians sin))); yourself)].<br><br><br>1 to:(myMorphs size - 1) do:[:i | <br> i+1 to: myMorphs size do:[:j | <br> ((myMorphs at:i ) ~= nil and:(myMorphs at:j ) ~= nil) <br> ifTrue:[NCAAConnectorMorph fromMorph: (myMorphs at:i) toMorph:(myMorphs at:j)]]]<br><br>"tty Debug Lock"<br>NCAAConnectorMorph allInstances do:[:each | each lock:True]. "This locks it"</div><div>NCAAConnectorMorph allInstances inspect. "about 285 instances"<br>Transcript clear.<br>NCAAConnectorMorph allInstances do:[:each | Transcript show: (each bounds);cr. ]. "works" </div><div>NCAAConnectorMorph allInstances do:[:each | Transcript show: (each bounds);cr. each lock:true ]. "works"<br>NCAAConnectorMorph allInstances do:[:each | each lock:true]. "works"</div><div>True inspect.</div><div>true inspect.</div><div>NCAAConnectorMorph allInstances do:[:each | each lock:(True initializedInstance)]. "works"</div></blockquote> </div><div><br></div><div>I was able to recreate the lockup you described.</div><div>Changing the lock:True to lock:true (all lowercase) does not cause the lock up.</div><div><br></div><div>You can work through the reasoingin with the "tty Debug Lock" section in the above code.</div><div><br></div><div>If you do the two inspect statements at the bottom, you will see you where passing the "True class" instead of the instance "True".</div><div><br></div><div>cordially,</div><div><br></div><div>tty</div><div><br></div><br></div></body></html>