Re: [gtkmm] 3 states check box

[ERDI Gergo <cactus cactus rulez org>]

On Tue, 25 Mar 2003, erwan ancel wrote:

> I need a widget like a check box that would have 3 states: checked,
> unchecked, and undefined.

GTK+ 2's checkbutton has an 'inconsistent' flag which if you set you will
get a third state. However, be aware that not all themes implement this
properly.

HTH,
	Gergo

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