public virtual void SetX( 
   double x
)

{
  //Create a simple point text element and assign basic symbology and text settings.

  //Note: Must be on QueuedTask.Run
  //Build 2D point geometry
  Coordinate2D coord2D = new Coordinate2D(3.5, 10);

  //Set symbology, create and add element to layout
  CIMTextSymbol sym = SymbolFactory.Instance.ConstructTextSymbol(
                ColorFactory.Instance.RedRGB, 32, "Arial", "Regular");
  string textString = "Point text";

  //use ElementInfo to set placement properties during create
  var elemInfo = new ElementInfo()
  {
    Anchor = Anchor.CenterPoint,
    Rotation = 45
  };
  var ptTxtElm = ElementFactory.Instance.CreateTextGraphicElement(
    layout, TextType.PointText, coord2D.ToMapPoint(), sym, textString,
                       "New Point Text", true, elemInfo);

  //Change additional text properties
  ptTxtElm.SetX(4.5);
  ptTxtElm.SetY(9.5);
}

{
  //Note: Must be on QueuedTask.Run

  //Build geometry
  Coordinate2D center = new Coordinate2D(7, 5.5);

  //Reference a North Arrow in a style
  StyleProjectItem stylePrjItm = Project.Current.GetItems<StyleProjectItem>()
                                 .FirstOrDefault(item => item.Name == "ArcGIS 2D");
  NorthArrowStyleItem naStyleItm = stylePrjItm.SearchNorthArrows(
                                         "ArcGIS North 10")[0];

  //Reference MF, create north arrow and add to layout 

  var mf = layout.FindElement("Map Frame") as MapFrame;
  var narrow_info = new NorthArrowInfo()
  {
    MapFrameName = mf.Name,
    NorthArrowStyleItem = naStyleItm
  };
  var arrowElm = (NorthArrow)ElementFactory.Instance.CreateMapSurroundElement(
    layout, center.ToMapPoint(), narrow_info) as NorthArrow;
  arrowElm.SetName("New North Arrow");
  arrowElm.SetHeight(1.75);
  arrowElm.SetX(7);
  arrowElm.SetY(6);
}

{
  //Update text element properties for an existing text element.
  //Note: Must be on QueuedTask.Run
  // Reference and load the layout associated with the layout item
  if (layout != null)
  {
    // Reference a text element by name
    TextElement txtElm = layout.FindElement("MyTextElement") as TextElement;
    if (txtElm != null)
    {
      double x = 2.0;
      double y = 3.0;
      // Change placement properties
      txtElm.SetAnchor(Anchor.CenterPoint);
      txtElm.SetX(x);
      txtElm.SetY(y);

      // Change TextProperties
      TextProperties txtProperties = new TextProperties(
                        "Hello world", "Times New Roman", 48, "Regular");
      txtElm.SetTextProperties(txtProperties);
    }
  }

{
  //Clone a layout graphic element and apply an offset.
  //Note: Must be on QueuedTask.Run

  // Reference a graphic element by name
  GraphicElement graphicElement =
                      layout.FindElement("MyElement") as GraphicElement;
  if (graphicElement != null)
  {

    //Clone and set the new x,y
    GraphicElement cloneElement = graphicElement.Clone("Clone");
    double xOffset = 0;
    double yOffset = 0;
    cloneElement.SetX(cloneElement.GetX() + xOffset);
    cloneElement.SetY(cloneElement.GetY() + yOffset);
  }
}