8.  OLE CLASS QUESTIONS

        8.1.  Structured Storage / Compound Files
                8.1.1.   When I upgraded, I could not read my files generated by the old version of MFC?

        8.2.  OLE Controls (Previously called OCX's)    
                8.2.1.   What is an OLE control? 
                8.2.2.   How do I write OLE controls?    
                8.2.3.   What versions of MFC support OLE control containment?   
                8.2.4.   How do I get application specific control bars to disappear when in-placed editing.