https://gnome.pages.gitlab.gnome.org/gtk/gtk4/method.Scrollable.set_vadjustment.html
Gtk.Scrollable.set_vadjustment
gtkscrollableset
https://gnome.pages.gitlab.gnome.org/gtk/gtk4/property.ScrolledWindow.vadjustment.html
Gtk.ScrolledWindow:vadjustment
Reference for property Gtk.ScrolledWindow:vadjustment
gtk