gtk:tree-model-filter-convert-iter-to-child-iter (filter iter)

filter -- a gtk:tree-model-filter object
iter -- a valid gtk:tree-iter iterator pointing to a row on filter

The gtk:tree-iter iterator.

Returns the iterator to point to the row pointed to by iter. The gtk:tree-model-filter implementation is deprecated since 4.10. Use the gtk:filter-list-model implementation instead.