Double-clicking a Button Icon

Is there any way to add an event listener to a button icon?
I've got icons on the Tabs (Button subclass) of a TabNavigator.
I've coded the subclassed its Tabs so that a double-click
brings up a dialog, but when you double-click the icon nothing
happens.

Have you set Button.doubleClickEnabled flag to true? Without
it you won't receive the double click event.

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