Re: [gtkmm] 3 states check box

[Paul Scheremet <paul scheremet de>]

Hi Erwan,

generally you use a radio button group with 2 radio buttons that are
both unchecked. selecting one will enable a "next" button and disable
the other button.
I've never seen a "three-state" check box in any gui.

Paul

On Tue, 2003-03-25 at 11:11, erwan ancel wrote:
> Hi,
> I need a widget like a check box that would have 3 states: checked,
> unchecked, and undefined.
> Does anyone know if such a widget exists ?
> 
>             Erwan
> 
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