get_iter_at_row

Retrieves a ModelIter representing the row at the given index.

If a filter function has been set using set_filter then the this implementation will return the first non filtered row.

Parameters:

this	a Model
row	position of the row to retrieve

Returns:

A new ModelIter, or null if row was out of bounds. When done using the iterator object, call unref to deallocate its resources