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Validating a NSSegmentedControl in a toolbar

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Validating a NSSegmentedControl in a toolbar

Subject: Validating a NSSegmentedControl in a toolbar
From: Graham Cox <email@hidden>
Date: Fri, 5 Jun 2009 11:10:06 +1000

I'm having problems validating an NSSegmentedControl in a toolbar.

I have tried implementing both -validateUserInterfaceItem: and - validateToolbarItem: but neither is called for the segmented control. They are called for other simple buttons in the toolbar.

There's a note in the documentation for -validateToolbarItem: that "NSToolbar only calls this method for image items", which might explain it. So what do I need to do to make this work for the segmented control? I've read all the toolbar and validation documentation I can find but I'm none the wiser - nothing so far stands out as the obvious right way to proceed.

My toolbar is currently wholly set up in IB, with no code in my app at all.

--Graham


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