/// <summary> /// Gets the reference element. /// </summary> /// <exception cref="Exception">Selected Reference Element was found in Document</exception> private void GetReferenceElement() { clsReferenceFilter m_filter = new clsReferenceFilter(_Doc); Reference m_ref = _UiDoc.Selection.PickObject( ObjectType.Element, m_filter, "Select the Reference Element. [Wall,Lines]"); RefElement = _Doc.GetElement(m_ref); if (RefElement == null) { throw new Exception("Selected Reference Element was found in Document"); } }