Creates a new gtk.RadioToolButton, adding it to group. The new gtk.RadioToolButton will contain an icon and label from the stock item indicated by stock_id.
an existing radio button group, or NULL if you are creating a new group
the name of a stock item
The new gtk.RadioToolButton
Deprecated: Use RadioToolButton.new instead.
ConstructionException GTK+ fails to create the object.
2.4
Creates a new gtk.RadioToolButton, adding it to group. The new gtk.RadioToolButton will contain an icon and label from the stock item indicated by stock_id.