move_before

Description:

public void move_before (ref TreeIter iter, TreeIter? position)

Moves iter in this to the position before position.

iter and position should be in the same level. Note that this function only works with unsorted stores. If position is null, iter will be moved to the end of the level.

Parameters:

this	A `GtkTreeStore`
iter	A `GtkTreeIter`
position	A `GtkTreeIter`