public class TextProperties 

{
  //Create a dynamic text element.

  //Set the string with tags and the location
  String title = @"<dyn type = ""page"" property = ""name"" />";
  Coordinate2D llTitle = new Coordinate2D(6, 2.5);
  //Create with default text properties
  //Note: Must be on QueuedTask.Run
  TextElement titleGraphics = ElementFactory.Instance.CreateTextGraphicElement(
                  layout, TextType.PointText, llTitle.ToMapPoint(), null, title) as TextElement;

  //Modify the text properties
  titleGraphics.SetTextProperties(new TextProperties(title, "Arial", 24, "Bold"));
}