[Gtk-sharp-list] Cancel response of dialog conditionally

[Paul Lange]

Hey,

I have a dialog which derives from Gtk.Dialog. It has an OK-Button. If
this is clicked I want to do some tests. If they went right the dilog
should close and the response should be ResponseType.Ok. (This is what
currently works)

If one of the tests fail I want to show some message dialogs and after
that cancel the closing of the dialog and giving a response.

So my question is if I can stop the closing of the dialog in a button
click event or the Dialog.Response event and if yes - how do I do that.

Thank you!
Paul
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