PersistanceReader
(ctor) PersistanceReader()
bool HasChild( get; )
virtual bool BeginChildren()
virtual void Close()
virtual void FinishChildren()
virtual bool GetBoolean( string key )
virtual PersistableObject GetChild()
virtual DateTime GetDateTime( string key )
virtual int GetInt32( string key )
virtual string GetString( string key )
virtual void ReadDocument( PersistableObject root )