Moves iter in store to the position before position. Note that this function only works with unsorted stores. If position is NULL, iter will be moved to the end of the list. Since 2.2
A GtkTreeIter.
A GtkTreeIter, or NULL. [allow-none]
See Implementation
Moves iter in store to the position before position. Note that this function only works with unsorted stores. If position is NULL, iter will be moved to the end of the list. Since 2.2