virtual void writeElement(const wchar_t *name, bool empty=false, const wchar_t *attr1Name=0, const wchar_t *attr1Value=0, const wchar_t *attr2Name=0, const wchar_t *attr2Value=0, const wchar_t *attr3Name=0, const wchar_t *attr3Value=0, const wchar_t *attr4Name=0, const wchar_t *attr4Value=0, const wchar_t *attr5Name=0, const wchar_t *attr5Value=0)=0