virtual bool Read(long&, const char *, long = 0) const;
virtual bool Write(const char *szKey, const char *szValue);
virtual bool Write(const char *szKey, long Value);
virtual bool Read(long&, const char *, long = 0) const;
virtual bool Write(const char *szKey, const char *szValue);
virtual bool Write(const char *szKey, long Value);