On 11-04-16 02:00, Robert J Rothwell wrote:
Should

        (MessageDialogWindow new text: 'Hello') open

work?

I get a stack trace on CompositionScanner if I try to set the text.

Yes. Please open a bug entry. (If you want to help, try with a few older versions
of pharo to find out when the bug was introduced)
Also, is there a way to display the dialog modally (relative to your 
application)?

Take a look at Morph>openModal:

Stephan



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