void gtk_column_view_sort_by_column ( GtkColumnView* self, GtkColumnViewColumn* column, GtkSortType direction )
Sets the sorting of the view.
This function should be used to set up the initial sorting. At runtime, users can change the sorting of a column view by clicking on the list headers.
This call only has an effect if the sorter returned by
gtk_column_view_get_sorter() is set on a sort model,
gtk_column_view_column_set_sorter() has been called
column to associate a sorter with the column.
NULL, the view will be unsorted.