Is there any clear documentation on the binary formats used to serialize the various MFC data structures? I\'ve been able to view some of my own classes in a hex editor and use
Since MFC ships with source code I would create a test MFC application that serializes a CObArray and step through the serialization code. This should give you all the information you need.
I agree with jmatthias: use the MFC source code.
There's also this page on MSDN that may be useful.