HYDRODATA_EXPORT bool Add( const Handle( HYDROData_Object )&, const QString& theType );
HYDRODATA_EXPORT bool Add( const Handle( HYDROData_PolylineXY )&, const QString& theType );
+ using HYDROData_Entity::Remove;
HYDRODATA_EXPORT bool Remove( const TopoDS_Face& );
HYDRODATA_EXPORT bool Remove( const TopTools_ListOfShape& );