From Tracker Software PDF SDK
Inserts item into bookmarks list.
HRESULT Insert([in] IPXC_Bookmark* pItem, [in, defaultvalue(-1)] ULONG nIndex);
- [in] Pointer to IPXC_Bookmark containing the bookmark that would be inserted into the bookmarks list.
- [in, defaultvalue(-1)] The index in the bookmarks list where the bookmark would be inserted.
Returns S_OK if the operation was successful, or will return an error code if it fails.