Gets the value of one or more cells in the row referenced by @iter.
See [method@Gtk.TreeModel.get], this version takes a va_list for language bindings to use.
a row in @tree_model
va_list of column/return location pairs
See Implementation
Gets the value of one or more cells in the row referenced by @iter.
See [method@Gtk.TreeModel.get], this version takes a va_list for language bindings to use.