Method GTK2.TreeStore()->insert_before()
- Method
insert_before
 GTK2.TreeIterinsert_before(GTK2.TreeIterparent,GTK2.TreeItersibling)- Description
 Insert a row before sibling. If sibling is 0, then the row will be appended to parent's children. If parent and sibling are 0, then the row will be appended to the toplevel.