Sets sort_iter to point to the row in tree_model_sort that corresponds to the row pointed at by child_iter. If sort_iter was not set, FALSE is returned. Note: a boolean is only returned since 2.14.
An uninitialized GtkTreeIter. out
A valid GtkTreeIter pointing to a row on the child model
TRUE, if sort_iter was set, i.e. if sort_iter is a valid iterator pointer to a visible row in the child model.
See Implementation
Sets sort_iter to point to the row in tree_model_sort that corresponds to the row pointed at by child_iter. If sort_iter was not set, FALSE is returned. Note: a boolean is only returned since 2.14.