TriangleElement.TriangleElementClass.Assign C# (CSharp) Метод

    public void Assign(IClone src)
    {

      //1. make sure that src is pointing to a valid object
      if (null == src)
      {
        throw new COMException("Invalid object.");
      }

      //2. make sure that the type of src is of type 'TriangleElementClass'
      if (!(src is TriangleElementClass))
      {
        throw new COMException("Bad object type.");
      }

      //3. assign the properties of src to the current instance
      TriangleElementClass srcTriangle = (TriangleElementClass)src;
      m_elementName = srcTriangle.Name;
      m_elementType = srcTriangle.Type;
      m_autoTrans = srcTriangle.AutoTransform;
      m_scaleRef = srcTriangle.ReferenceScale;
      m_rotation = srcTriangle.Angle;
      m_size = srcTriangle.Size;
      m_anchorPointType = srcTriangle.AnchorPoint;

      IObjectCopy objCopy = new ObjectCopyClass();

      //take care of the custom property
      if (null != srcTriangle.CustomProperty)
      {
        if (srcTriangle.CustomProperty is IClone)
          m_customProperty = (object)((IClone)srcTriangle.CustomProperty).Clone();
        else if (srcTriangle.CustomProperty is IPersistStream)
        {
          m_customProperty = objCopy.Copy((object)srcTriangle.CustomProperty);
        }
        else if (srcTriangle.CustomProperty.GetType().IsSerializable)
        {
          //serialize to a memory stream
          MemoryStream memoryStream = new MemoryStream();
          BinaryFormatter binaryFormatter = new BinaryFormatter();
          binaryFormatter.Serialize(memoryStream, srcTriangle.CustomProperty);
          byte[] bytes = memoryStream.ToArray();

          memoryStream = new MemoryStream(bytes);
          m_customProperty = binaryFormatter.Deserialize(memoryStream);
        }
      }

      if (null != srcTriangle.SpatialReference)
        m_nativeSR = objCopy.Copy(srcTriangle.SpatialReference) as ISpatialReference;
      else
        m_nativeSR = null;

      if (null != srcTriangle.FillSymbol)
      {
        m_fillSymbol = objCopy.Copy(srcTriangle.FillSymbol) as ISimpleFillSymbol;
      }
      else
        m_fillSymbol = null;

      if (null != srcTriangle.Geometry)
      {
        m_triangle = objCopy.Copy(srcTriangle.Geometry) as IPolygon;
        m_pointGeometry = objCopy.Copy(((IArea)m_triangle).Centroid) as IPoint;
      }
      else
      {
        m_triangle = null;
        m_pointGeometry = null;
      }
    }

        public IClone Clone()
        {
            TriangleElementClass triangle = new TriangleElementClass();

            triangle.Assign((IClone)this);

            return((IClone)triangle);
        }