Your custom TreeModel can perhaps be added either to the gtkmm
demo programs or to the gtkmm tutorial at
https://gitlab.gnome.org/GNOME/gtkmm-documentation. Let's decide
when you have a working program.
Have you noticed that there is a custom TreeModel example at https://gitlab.gnome.org/GNOME/gtkmm-documentation/tree/gtkmm-3-24/examples/others/treemodelcustom ? I don't know if it's a good example. Most programs under the examples/others directory are not maintained.
Kjell
indeed! that seems to get me on my way! thanks!
if/when I get this working: would you be interested in adding this to the gtkmm demo programs?
regards, D.