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Serialization: Serializing an Object
The article Serialization: Making a Serializable Class shows how to make a class serializable. Once you have a serializable class, you can serialize objects of that class to and from a file via a CArchive object. This article explains:
You can let the framework create the archive for your serializable document or explicitly create the CArchive object yourself. You can transfer data between a file and your serializable object by using the << and >> operators for CArchive or, in some cases, by calling the Serialize function of a CObject-derived class.