internal IfcExtendedMaterialProperties() : base() { } internal IfcExtendedMaterialProperties(DatabaseIfc db, IfcExtendedMaterialProperties p) : base(db,p) { ExtendedProperties = p.ExtendedProperties.ConvertAll(x=>db.Factory.Duplicate(x) as IfcProperty); mDescription = p.mDescription; mName = p.mName; }