I manually fed in an instance of by changing the code to:
    actionToPerformWithSelector: selector arguments: args
| instance |
instance := spec instance.
instance = #DialogWindowSpec ifTrue: [ instance := SpecDialogWindow new ].
^ instance perform: selector withArguments: args

But then I got: MessageNotUnderstood: ByteSymbol>>changeTableLayout (where the symbol was #Panel)

It seems that #actionToPerformWithSelector:arguments: expects "spec instance" to return an actual instance, but is getting Symbols instead. It seems to be a bug in Spec because none of this has anything to do with my code, and if I change "self new openDialogWithSpec" to "self new openWithSpec" it opens correctly.

On Oct 16, 2013, at 1:01 PM, "Benjamin Van Ryseghem-2 [via Smalltalk]" <[hidden email]> wrote:

Try replacing it with DlalogWindowModel

Ben

On Oct 16, 2013, at 5:27 PM, Sean P. DeNigris <<a href="x-msg://206/user/SendEmail.jtp?type=node&amp;node=4715064&amp;i=0" target="_top" rel="nofollow" link="external">[hidden email]> wrote:

Benjamin Van Ryseghem-2 wrote
Without further information, I can not do much more

I sent #openDialogWithSpec, and the offending symbol is #DialogWindowSpec



-----
Cheers,
Sean
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Cheers,
Sean

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