【C#】怎么用C#创建ItemType框架？

            DgnFile dgnFile = Session.Instance.GetActiveDgnFile();
            ItemTypeLibrary itemTypeLibrary = ItemTypeLibrary.Create("itemTypeLibrary_1", dgnFile);
            ItemType itemType = itemTypeLibrary.AddItemType("itemType_1");
            CustomProperty customProperty = itemType.AddProperty("customProperty_1");
            customProperty.Type = CustomProperty.TypeKind.Integer;

感谢您的及时反馈！

感谢您的及时反馈！