How is that? The update is happening from a callback executed by the main context thread? On Wed, Feb 27, 2019 at 4:24 PM Paul Davis <paul@xxxxxxxxxxxxxxxxxxxxx> wrote: > > > > On Wed, Feb 27, 2019 at 5:17 PM Mitko Haralanov via gtk-list <gtk-list@xxxxxxxxx> wrote: >> >> Here is a small program that illustrates the issue: >> > > Yep. You're updating a treemodel from your own thread while the treeview is connected to it. You can't do this. _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx https://mail.gnome.org/mailman/listinfo/gtk-list