>>>>> "Chris" == Chris Coat <[email protected]> writes:

 Chris> Thank you for both answers, i'll help a lot.  However, any idea
 Chris> to how I can get the right instance of my button in my extension
 Chris> ?

https://github.com/NetLogo/Goo-Extension/blob/master/src/GooExtension.scala
has sample code for looping over widgets.  (It's in Scala; I don't know
of a similar example in Java.)  The core is: from workspace, do
`getWidgetContainer` then `getComponents`; for each WidgetWrapper in the
result, the `widget` method will look inside and you can check whether
it's a ButtonWidget or what.  If you want to filter by name, call
`displayName`.

-- 
Seth Tisue | http://tisue.net

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