public abstract class CIMGraphic : CIMObject, System.ComponentModel.INotifyPropertyChanged, System.Xml.Serialization.IXmlSerializable  

//Create polygon paragraph text with basic text properties.

//Construct on the worker thread
await QueuedTask.Run(() =>
{
  //Build geometry
  List<Coordinate2D> plyCoords = new List<Coordinate2D>();
  plyCoords.Add(new Coordinate2D(3.5, 7));
  plyCoords.Add(new Coordinate2D(4.5, 7));
  plyCoords.Add(new Coordinate2D(4.5, 6.7));
  plyCoords.Add(new Coordinate2D(5.5, 6.7));
  plyCoords.Add(new Coordinate2D(5.5, 6.1));
  plyCoords.Add(new Coordinate2D(3.5, 6.1));
  //At 2.x - Polygon poly = PolygonBuilder.CreatePolygon(plyCoords);
  Polygon poly = PolygonBuilderEx.CreatePolygon(plyCoords);

  //Set symbolology, create and add element to layout
  CIMTextSymbol sym = SymbolFactory.Instance.ConstructTextSymbol(ColorFactory.Instance.GreyRGB, 10, "Arial", "Regular");
  string text = "Some Text String that is really long and is <BOL>forced to wrap to other lines</BOL> so that we can see the effects." as String;
  //At 2.x - GraphicElement polyTxtElm = LayoutElementFactory.Instance.CreatePolygonParagraphGraphicElement(layout, poly, text, sym);
  //         polyTxtElm.SetName("New Polygon Text"); 
  GraphicElement polyTxtElm = ElementFactory.Instance.CreateTextGraphicElement(
                                layout, TextType.RectangleParagraph, poly, sym, text, "New Polygon Text");

  //(Optionally) Modify paragraph border 
  CIMGraphic polyTxtGra = polyTxtElm.GetGraphic();
  CIMParagraphTextGraphic cimPolyTxtGra = polyTxtGra as CIMParagraphTextGraphic;
  cimPolyTxtGra.Frame.BorderSymbol = new CIMSymbolReference();
  cimPolyTxtGra.Frame.BorderSymbol.Symbol = SymbolFactory.Instance.ConstructLineSymbol(ColorFactory.Instance.GreyRGB, 1.0, SimpleLineStyle.Solid);
  polyTxtElm.SetGraphic(polyTxtGra);
});

//Create circle paragraph text with basic text settings and optionally a modified border.

//Construct on the worker thread
await QueuedTask.Run(() =>
{
  //Build geometry
  Coordinate2D center = new Coordinate2D(4.5, 4);
  //At 2.x - EllipticArcBuilder eabCir = new EllipticArcBuilder(center, 0.5, esriArcOrientation.esriArcClockwise);
  var eabCir = new EllipticArcBuilderEx(center, 0.5, ArcOrientation.ArcClockwise);
  EllipticArcSegment cir = eabCir.ToSegment();
  var polyCir = PolygonBuilderEx.CreatePolygon(
                  PolylineBuilderEx.CreatePolyline(cir));

  //Set symbolology, create and add element to layout
  CIMTextSymbol sym = SymbolFactory.Instance.ConstructTextSymbol(ColorFactory.Instance.GreenRGB, 10, "Arial", "Regular");
  string text = "Circle, circle, circle, circle, circle, circle, circle, circle, circle, circle, circle";
  //At 2.x - GraphicElement cirTxtElm = LayoutElementFactory.Instance.CreateCircleParagraphGraphicElement(layout, cir, text, sym);
  //         cirTxtElm.SetName("New Circle Text");
  GraphicElement cirTxtElm = ElementFactory.Instance.CreateTextGraphicElement(
                                layout, TextType.CircleParagraph, polyCir, sym, text, "New Circle Text");

  //(Optionally) Modify paragraph border 
  CIMGraphic cirTxtGra = cirTxtElm.GetGraphic();
  CIMParagraphTextGraphic cimCirTxtGra = cirTxtGra as CIMParagraphTextGraphic;
  cimCirTxtGra.Frame.BorderSymbol = new CIMSymbolReference();
  cimCirTxtGra.Frame.BorderSymbol.Symbol = SymbolFactory.Instance.ConstructLineSymbol(ColorFactory.Instance.GreyRGB, 1.0, SimpleLineStyle.Solid);
  cirTxtElm.SetGraphic(cirTxtGra);
});

//Create ellipse paragraph text with basic text settings and optionally a modified border.

//Construct on the worker thread
await QueuedTask.Run(() =>
{
  //Build geometry
  Coordinate2D center = new Coordinate2D(4.5, 2.75);
  //At 2.x - EllipticArcBuilder eabElp = new EllipticArcBuilder(center, 0, 1, 0.45, esriArcOrientation.esriArcClockwise);
  var eabElp = new EllipticArcBuilderEx(center, 0, 1, 0.45, ArcOrientation.ArcClockwise);
  EllipticArcSegment ellipse = eabElp.ToSegment();
  var polyElp = PolygonBuilderEx.CreatePolygon(
                  PolylineBuilderEx.CreatePolyline(ellipse));

  //Set symbolology, create and add element to layout
  CIMTextSymbol sym = SymbolFactory.Instance.ConstructTextSymbol(ColorFactory.Instance.BlueRGB, 10, "Arial", "Regular");
  string text = "Ellipse, ellipse, ellipse, ellipse, ellipse, ellipse, ellipse, ellipse, ellipse, ellipse, ellipse, ellipse";
  //At 2.x - GraphicElement elpTxtElm = LayoutElementFactory.Instance.CreateEllipseParagraphGraphicElement(layout, ellipse, text, sym);
  //         elpTxtElm.SetName("New Ellipse Text");
  GraphicElement elpTxtElm = ElementFactory.Instance.CreateTextGraphicElement(
                                layout, TextType.EllipseParagraph, polyElp, sym, text, "New Ellipse Text");

  //(Optionally) Modify paragraph border 
  CIMGraphic elpTxtGra = elpTxtElm.GetGraphic();
  CIMParagraphTextGraphic cimElpTxtGra = elpTxtGra as CIMParagraphTextGraphic;
  cimElpTxtGra.Frame.BorderSymbol = new CIMSymbolReference();
  cimElpTxtGra.Frame.BorderSymbol.Symbol = SymbolFactory.Instance.ConstructLineSymbol(ColorFactory.Instance.GreyRGB, 1.0, SimpleLineStyle.Solid);
  elpTxtElm.SetGraphic(elpTxtGra);
});

//Note: must call within QueuedTask.Run() 
var CIMGra = graElm.GetGraphic() as CIMGraphic;
//TODO - make changes to CIMGraphic
//...
graElm.SetGraphic(CIMGra);

//Create rectangle text with background and border symbology.  

//Construct on the worker thread
await QueuedTask.Run(() =>
{
  //Build 2D polygon geometry
  List<Coordinate2D> plyCoords = new List<Coordinate2D>();
  plyCoords.Add(new Coordinate2D(3.5, 7));
  plyCoords.Add(new Coordinate2D(4.5, 7));
  plyCoords.Add(new Coordinate2D(4.5, 6.7));
  plyCoords.Add(new Coordinate2D(5.5, 6.7));
  plyCoords.Add(new Coordinate2D(5.5, 6.1));
  plyCoords.Add(new Coordinate2D(3.5, 6.1));
  //At 2.x - Polygon poly = PolygonBuilder.CreatePolygon(plyCoords);
  Polygon poly = PolygonBuilderEx.CreatePolygon(plyCoords);

  //Set symbolology, create and add element to layout
  //Also notice how formatting tags are using within the text string.
  CIMTextSymbol sym = SymbolFactory.Instance.ConstructTextSymbol(
                    ColorFactory.Instance.GreyRGB, 10, "Arial", "Regular");
  string text = "Some Text String that is really long and is " +
                "<BOL>forced to wrap to other lines</BOL> so that " +
                "we can see the effects." as String;
  //At 2.x - GraphicElement polyTxtElm =
  //           LayoutElementFactory.Instance.CreatePolygonParagraphGraphicElement(
  //                                      layout, poly, text, sym);
  //         polyTxtElm.SetName("New Polygon Text");

  GraphicElement polyTxtElm = ElementFactory.Instance.CreateTextGraphicElement(
    container, TextType.RectangleParagraph, poly, sym, text, "Polygon Paragraph");

  //(Optionally) Modify paragraph border 
  CIMGraphic polyTxtGra = polyTxtElm.GetGraphic();
  CIMParagraphTextGraphic cimPolyTxtGra = polyTxtGra as CIMParagraphTextGraphic;
  cimPolyTxtGra.Frame.BorderSymbol = new CIMSymbolReference();
  cimPolyTxtGra.Frame.BorderSymbol.Symbol =
               SymbolFactory.Instance.ConstructLineSymbol(
                          ColorFactory.Instance.GreyRGB, 1.0, SimpleLineStyle.Solid);
  polyTxtElm.SetGraphic(polyTxtGra);
});

//Update an element's transparency using the CIM.

//Perform on the worker thread
QueuedTask.Run(() =>
{
  // Reference and load the layout associated with the layout item
  Layout layout = layoutItem.GetLayout();
  if (layout != null)
  {
    // Reference a element by name
    GraphicElement graphicElement = layout.FindElement("MyElement") as GraphicElement;
    if (graphicElement != null)
    {
      // Modify the Transparency property that exists only in the CIMGraphic class.
      CIMGraphic CIMGraphic = graphicElement.GetGraphic() as CIMGraphic;
      CIMGraphic.Transparency = 50; // mark it 50% transparent
      graphicElement.SetGraphic(CIMGraphic);
    }
  }
});