A container for embedded objects. It contains:
An ExEmbedAtom.
ExOleObjAtom that contains OLE information.
CString and Instance MenuName(2) used for menus and the Links dialog box.
CString and Instance ProgID (3) that stores the OLE Programmatic Identifier. A ProgID is a string that uniquely identifies a given object.
CString and Instance ClipboardName (45) that appears in the paste special dialog.