Thanks for the solution, that's neat. Agree that try-catch is not an ideal solution (but thank you too Sunil).
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Johannes Nel Sent: 19 July 2007 16:40 To: flashcoders@chattyfig.figleaf.com Subject: Re: [Flashcoders] Object Detection AS3 it should be fine, but i come from a background where catching an error is not considered a sollution. its an error and you should deal with it, not a very real and potential use case On 7/19/07, Sunil Jolly <[EMAIL PROTECTED]> wrote: > > If you use the try, catch method that shouldn't be a problem. > > ------------------- > try { > removeChild(myObject); > } catch (e:Error) { > //object doesn't exist as a child, do nothing > } > --------------------- > > That should fail unless myObject has been added to the stage. > > Or am I missing something here? > > Sunil > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Johannes > Nel > Sent: 19 July 2007 15:40 > To: flashcoders@chattyfig.figleaf.com > Subject: Re: [Flashcoders] Object Detection AS3 > > the problem with your approach is that if the object does exist but is > not > on the display tree it will fail > > > On 7/19/07, Sunil Jolly <[EMAIL PROTECTED]> wrote: > > > > > > This works for me: > > > > ----------------------------- > > > > var myObject:Object; > > > > if (myObject) { > > removeChild(myObject); > > } > > > > ------------------------------- > > > > Another method would be to catch the error: > > > > ----------------------------- > > > > try { > > removeChild(myObject); > > } catch (e:Error) { > > //do nothing > > } > > > > ------------------------------ > > > > Or you can compare it to "null": > > > > ------------------------------ > > > > if (myObject != null) { > > removeChild(myObject); > > } > > > > ------------------------------ > > > > Sunil > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of > Michael > > Trim > > Sent: 19 July 2007 13:58 > > To: flashcoders@chattyfig.figleaf.com > > Subject: [Flashcoders] Object Detection AS3 > > > > Hi Flashcoders, > > > > Learning AS3 in the deep end at the moment, so excuse the questions if > > too newb for this list. > > > > In AS2 I may have done something like the following. > > > > _1___________________________________ > > > > if(myObject){ > > > > myObject.removeMovieClip(); > > > > } > > > > this.attachMovie("MyObject","myObject",1); > > _____________________________________ > > > > > > What would similar code look like in AS3? As > > > > > > _2____________________________________ > > > > removeChild(myObject); > > _____________________________________ > > > > fails if myObject doesn't exist yet as does > > > > > > _3___________________________________ > > > > if(myObject) > > _____________________________________ > > > > Which I don't think you can do anyway? > > > > It's the last one I'm really interested in, how do you detect if > > something exists? > > > > Thanks > > > > Michael > > _______________________________________________ > > Flashcoders@chattyfig.figleaf.com > > To change your subscription options or search the archive: > > http://chattyfig.figleaf.com/mailman/listinfo/flashcoders > > > > Brought to you by Fig Leaf Software > > Premier Authorized Adobe Consulting and Training > > http://www.figleaf.com > > http://training.figleaf.com > > _______________________________________________ > > Flashcoders@chattyfig.figleaf.com > > To change your subscription options or search the archive: > > http://chattyfig.figleaf.com/mailman/listinfo/flashcoders > > > > Brought to you by Fig Leaf Software > > Premier Authorized Adobe Consulting and Training > > http://www.figleaf.com > > http://training.figleaf.com > > > > > > -- > j:pn > http://www.memorphic.com/news/ > _______________________________________________ > Flashcoders@chattyfig.figleaf.com > To change your subscription options or search the archive: > http://chattyfig.figleaf.com/mailman/listinfo/flashcoders > > Brought to you by Fig Leaf Software > Premier Authorized Adobe Consulting and Training > http://www.figleaf.com > http://training.figleaf.com > _______________________________________________ > Flashcoders@chattyfig.figleaf.com > To change your subscription options or search the archive: > http://chattyfig.figleaf.com/mailman/listinfo/flashcoders > > Brought to you by Fig Leaf Software > Premier Authorized Adobe Consulting and Training > http://www.figleaf.com > http://training.figleaf.com > -- j:pn http://www.memorphic.com/news/ _______________________________________________ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com _______________________________________________ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
