This tech note, which previously discussed the MFC/OLE1 implementation and design, is now obsolete. MFC 1.0 and MFC 2.0 supported the original OLE 1.0 API. OLE 1.0 has been replaced by OLE 2.0 which is supported by MFC 2.5 (and higher). The following technical notes describe the MFC/OLE2 support included in this version of MFC: