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Reads object data from the archive and constructs an object of the appropriate type.
A constant pointer to the CRuntimeClass structure that corresponds to the object you expect to read.
This function is normally called by the CArchive extraction (>>) operator overloaded for a CObject pointer. ReadObject, in turn, calls the Serialize function of the archived class.
If you supply a nonzero pClass parameter, which is obtained by the RUNTIME_CLASS macro, then the function verifies the run-time class of the archived object. This assumes you have used the IMPLEMENT_SERIAL macro in the implementation of the class.