gdcmElValue * ReadNextElement(void);
gdcmElValue * NewElValueByNumber(guint16 group, guint16 element);
gdcmElValue * NewElValueByName(string name);
gdcmElValue * ReadNextElement(void);
gdcmElValue * NewElValueByNumber(guint16 group, guint16 element);
gdcmElValue * NewElValueByName(string name);