Add a new StructParentd to the tree.
[C#] int AddStructParents(IndirectObject io, bool commit) [Visual Basic] Sub AddStructParents(io As IndirectObject, commit As bool) As Integer
int AddStructParents(IndirectObject io, bool commit)
Sub AddStructParents(io As IndirectObject, commit As bool) As Integer
Items are held in a cache and are not pushed through to the document until committed.