///<summary>Add a North Arrow to the Page Layout from the Map.</summary>
        ///
        ///<param name="pageLayout">An IPageLayout interface.</param>
        ///<param name="map">An IMap interface.</param>
        ///
        ///<remarks></remarks>
        public void AddNorthArrow(IPageLayout pageLayout, IMap map)
        {
            if (pageLayout == null || map == null)
            {
                return;
            }
            ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass();
            envelope.PutCoords(1, 24, 5, 24); //  Specify the location and size of the north arrow

            ESRI.ArcGIS.esriSystem.IUID uid = new ESRI.ArcGIS.esriSystem.UIDClass();
            uid.Value = "esriCarto.MarkerNorthArrow";

            // Create a Surround. Set the geometry of the MapSurroundFrame to give it a location
            // Activate it and add it to the PageLayout's graphics container
            ESRI.ArcGIS.Carto.IGraphicsContainer graphicsContainer = pageLayout as ESRI.ArcGIS.Carto.IGraphicsContainer;                    // Dynamic Cast
            ESRI.ArcGIS.Carto.IActiveView        activeView        = pageLayout as ESRI.ArcGIS.Carto.IActiveView;                           // Dynamic Cast
            ESRI.ArcGIS.Carto.IFrameElement      frameElement      = graphicsContainer.FindFrame(map);
            ESRI.ArcGIS.Carto.IMapFrame          mapFrame          = frameElement as ESRI.ArcGIS.Carto.IMapFrame;                           // Dynamic Cast
            ESRI.ArcGIS.Carto.IMapSurroundFrame  mapSurroundFrame  = mapFrame.CreateSurroundFrame(uid as ESRI.ArcGIS.esriSystem.UID, null); // Dynamic Cast
            ESRI.ArcGIS.Carto.IElement           element           = mapSurroundFrame as ESRI.ArcGIS.Carto.IElement;                        // Dynamic Cast
            element.Geometry = envelope;
            element.Activate(activeView.ScreenDisplay);
            graphicsContainer.AddElement(element, 0);
            ESRI.ArcGIS.Carto.IMapSurround mapSurround = mapSurroundFrame.MapSurround;

            // Change out the default north arrow
            ESRI.ArcGIS.Carto.IMarkerNorthArrow        markerNorthArrow      = mapSurround as ESRI.ArcGIS.Carto.IMarkerNorthArrow;         // Dynamic Cast
            ESRI.ArcGIS.Display.IMarkerSymbol          markerSymbol          = markerNorthArrow.MarkerSymbol;
            ESRI.ArcGIS.Display.ICharacterMarkerSymbol characterMarkerSymbol = markerSymbol as ESRI.ArcGIS.Display.ICharacterMarkerSymbol; // Dynamic Cast
            characterMarkerSymbol.CharacterIndex = 200;                                                                                    // change the symbol for the North Arrow
            markerNorthArrow.MarkerSymbol        = characterMarkerSymbol;
        }
        ///<summary>Add a Scale Bar to the Page Layout from the Map.</summary>
        ///
        ///<param name="pageLayout">An IPageLayout interface.</param>
        ///<param name="map">An IMap interface.</param>
        ///
        ///<remarks></remarks>
        public void AddScalebar(IPageLayout pageLayout, IMap map)
        {
            if (pageLayout == null || map == null)
            {
                return;
            }

            ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass();
            envelope.PutCoords(7, 1, 25, 1.5); // Specify the location and size of the scalebar
            ESRI.ArcGIS.esriSystem.IUID uid = new ESRI.ArcGIS.esriSystem.UIDClass();
            uid.Value = "esriCarto.AlternatingScaleBar";

            // Create a Surround. Set the geometry of the MapSurroundFrame to give it a location
            // Activate it and add it to the PageLayout's graphics container
            ESRI.ArcGIS.Carto.IGraphicsContainer graphicsContainer = pageLayout as ESRI.ArcGIS.Carto.IGraphicsContainer;                    // Dynamic Cast
            ESRI.ArcGIS.Carto.IActiveView        activeView        = pageLayout as ESRI.ArcGIS.Carto.IActiveView;                           // Dynamic Cast
            ESRI.ArcGIS.Carto.IFrameElement      frameElement      = graphicsContainer.FindFrame(map);
            ESRI.ArcGIS.Carto.IMapFrame          mapFrame          = frameElement as ESRI.ArcGIS.Carto.IMapFrame;                           // Dynamic Cast
            ESRI.ArcGIS.Carto.IMapSurroundFrame  mapSurroundFrame  = mapFrame.CreateSurroundFrame(uid as ESRI.ArcGIS.esriSystem.UID, null); // Dynamic Cast
            ESRI.ArcGIS.Carto.IElement           element           = mapSurroundFrame as ESRI.ArcGIS.Carto.IElement;                        // Dynamic Cast
            element.Geometry = envelope;
            element.Activate(activeView.ScreenDisplay);
            graphicsContainer.AddElement(element, 0);
            ESRI.ArcGIS.Carto.IMapSurround mapSurround = mapSurroundFrame.MapSurround;


            ESRI.ArcGIS.Carto.IScaleBar markerScaleBar = ((ESRI.ArcGIS.Carto.IScaleBar)(mapSurround));

            markerScaleBar.LabelSymbol = new TextSymbolClass()
            {
                Font = GetFontDisp(20)
            };
            markerScaleBar.UnitLabelSymbol = new TextSymbolClass()
            {
                Font = GetFontDisp(20)
            };

            markerScaleBar.LabelPosition = ESRI.ArcGIS.Carto.esriVertPosEnum.esriBelow;
            markerScaleBar.UseMapSettings();
        }