OnSelChanging equivalent

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#11268

From: Chris Vinson
Date: Wed, 23 Jun 1999 00:00

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There is an event that I'm looking for in the swing world that is
equivalent to the OnSetAcive() / OnKillActive() and TVN_SELCHANGING
events in Windows/MFC.

When a user changes a tab in a JTabbedPane, I want to validate some data
before letting the tab change takes place.
If the validation fails, I want to display a message box and not change
tabs.

When a user changes a selection in a JTree, I want to validate some data
before letting the selection change takes place.
If the validation fails, I want to display a message box and not change
selection.

I've listed two swing controls here as examples, but I trust there is a
generic solution for all swing components.
Any information will be appreciated,

Chris Vinson
VinsonCL@pebio.com

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From: Chris Vinson <spamvinsoncl@pebio.com>
Subject: OnSelChanging equivalent
Date: 1999/06/23
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