convertChildIterToIter
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.
Return
true, if @sort_iter was set, i.e. if @sort_iter is a valid iterator pointer to a visible row in the child model.
Parameters
sortIter
An uninitialized GtkTreeIter
childIter
A valid GtkTreeIter pointing to a row on the child model