ListStore.insert

void insert(out gtk.tree_iter.TreeIter iter, int position)

Creates a new row at position. iter will be changed to point to this new row. If position is -1 or is larger than the number of rows on the list, then the new row will be appended to the list. The row will be empty after this function is called. To fill in values, you need to call [gtk.list_store.ListStore.set] or [gtk.list_store.ListStore.setValue].

Parameters

`iter`	An unset #GtkTreeIter to set to the new row
`position`	position to insert the new row, or -1 for last