gtk - C++ gtkmm vertical menu bar -

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i trying make vertical menu bar multiple different tabs (each tab contains multiple sub-childs , each sub-child may contain sub-sub child) application should this.

enter image description here

however, couldn't find way , best achieve below using notebook widget, not find way include sub-child through notebook widget.

enter image description here

i have tried using menubar menubar make horizontal toolbar , there no way make vertical.

is there specific widgets use achieve that? thanks.


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