ArcGIS Pro 3.1 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / SymbolFactory Class / ConstructTextSymbol Method / ConstructTextSymbol() Method
Example

In This Topic
    ConstructTextSymbol() Method
    In This Topic
    Constructs a default text symbol. This method must be called on the MCT. Use QueuedTask.Run.
    Syntax
    public CIMTextSymbol ConstructTextSymbol()
    Public Overloads Function ConstructTextSymbol() As CIMTextSymbol

    Return Value

    Exceptions
    ExceptionDescription
    This method must be called within the lambda passed to QueuedTask.Run
    Example
    Create_CurveText
    //Create curve text with basic text properties.
    
    //Construct on the worker thread
    await QueuedTask.Run(() =>
    {
      //Build geometry
      Coordinate2D pt1 = new Coordinate2D(3.6, 7.5);
      Coordinate2D pt2 = new Coordinate2D(4.26, 8);
      Coordinate2D pt3 = new Coordinate2D(4.93, 7.1);
      Coordinate2D pt4 = new Coordinate2D(5.6, 7.5);
      //At 2.x - CubicBezierBuilder bez = new CubicBezierBuilder(pt1, pt2, pt3, pt4);
      var bez = new CubicBezierBuilderEx(pt1, pt2, pt3, pt4);
      CubicBezierSegment bezSeg = bez.ToSegment();
      //At 2.x - Polyline bezPl = PolylineBuilder.CreatePolyline(bezSeg);
      Polyline bezPl = PolylineBuilderEx.CreatePolyline(bezSeg);
    
      //Set symbolology, create and add element to layout
      CIMTextSymbol sym = SymbolFactory.Instance.ConstructTextSymbol(ColorFactory.Instance.BlackRGB, 24, "Comic Sans MS", "Regular");
      //At 2.x - GraphicElement bezTxtElm = LayoutElementFactory.Instance.CreateCurvedTextGraphicElement(layout, bezPl, "Curved Text", sym);
      //         bezTxtElm.SetName("New Splinned Text");
      GraphicElement bezTxtElm = ElementFactory.Instance.CreateTextGraphicElement(
                                    layout, TextType.SplinedText, bezPl, sym, "Curved Text", "New Splinned Text");
    });
    Create_PolygonText
    //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_CircleText
    //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_EllipseText
    //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);
    });
    Create Point Text Element 2
    //Must be on QueuedTask.Run(() => { ...
    
    //Build geometry
    Coordinate2D coord2D = new Coordinate2D(3.5, 10);
    
    //Set symbolology, create and add element to layout
    CIMTextSymbol sym = SymbolFactory.Instance.ConstructTextSymbol(
      ColorFactory.Instance.RedRGB, 32, "Arial", "Regular");
    string textString = "Point text";
    
    var elemInfo = new ElementInfo() { Anchor = Anchor.BottomLeftCorner };
    GraphicElement ptTxtElm = ElementFactory.Instance.CreateTextGraphicElement(
      container, TextType.PointText, coord2D.ToMapPoint(), sym, textString,
      "New Point Text", true, elemInfo);
    
    Create Polygon Paragraph Text Element
    //Must be on 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));
    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 " +
                  "<BOL>wraps to other lines</BOL>" +
                  " so that we can see the effects.";
    
    var ge = ElementFactory.Instance.CreateTextGraphicElement(
      container, TextType.PolygonParagraph, poly, sym, text,
            "New Polygon Text", true);
    Create Rectangle Paragraph Text Element 2
    //Must be on QueuedTask.Run(() => { ...
    
    //Build geometry
    Coordinate2D ll = new Coordinate2D(3.5, 4.75);
    Coordinate2D ur = new Coordinate2D(5.5, 5.75);
    Envelope env = EnvelopeBuilderEx.CreateEnvelope(ll, ur);
    
    //Set symbolology, create and add element to layout
    CIMTextSymbol sym = SymbolFactory.Instance.ConstructTextSymbol(
               ColorFactory.Instance.WhiteRGB, 10, "Arial", "Regular");
    string text = "Some text string that is really long and " +
                  "<BOL>wraps to other lines</BOL>" +
                  " so that we can see the effects.";
    
    //(Optionally) Modify border and background with 50% transparency 
    //CIMGraphic recTxtGra = recTxtElm.Graphic;
    //CIMParagraphTextGraphic cimRecTxtGra = recTxtGra as CIMParagraphTextGraphic;
    //CIMSymbolReference cimRecTxtBorder = cimRecTxtGra.Frame.BorderSymbol;
    //
    //CIMLineSymbol lineSym = SymbolFactory.Instance.ConstructLineSymbol(
    //                    ColorFactory.Instance.BlackRGB, 1.0, SimpleLineStyle.Solid);
    //cimRecTxtBorder.Symbol = lineSym;
    //
    //CIMSymbolReference cimRecTxtBkgrd = cimRecTxtGra.Frame.BackgroundSymbol;
    //CIMPolygonSymbol polySym = SymbolFactory.Instance.ConstructPolygonSymbol(
    //                            ColorFactory.Instance.GreyRGB, SimpleFillStyle.Solid);
    //
    //CIMColor symCol = polySym.GetColor(IElementContainer container);
    //symCol.SetAlphaValue(50);
    //cimRecTxtBkgrd.Symbol = polySym;
    //recTxtElm.SetGraphic(recTxtGra);
    
    var ge = ElementFactory.Instance.CreateTextGraphicElement(container,
                TextType.RectangleParagraph, env, sym, text, "New Rectangle Text");
    Create Circle Text Element
    //Must be on QueuedTask.Run(() => { ...
    
    //Build geometry
    Coordinate2D center = new Coordinate2D(4.5, 4);
    var eabCir = new EllipticArcBuilderEx(center, 0.5, ArcOrientation.ArcClockwise);
    var cir = eabCir.ToSegment();
    
    var poly = PolygonBuilderEx.CreatePolygon(
      PolylineBuilderEx.CreatePolyline(cir, AttributeFlags.AllAttributes));
    
    //Set symbolology, create and add element to layout
    CIMTextSymbol sym = SymbolFactory.Instance.ConstructTextSymbol(
                    ColorFactory.Instance.GreenRGB, 10, "Arial", "Regular");
    string text = "Circle, circle, circle";
    
    GraphicElement cirTxtElm = ElementFactory.Instance.CreateTextGraphicElement(
      container, TextType.CircleParagraph, poly, sym, text, "New Circle Text", false);
    
    Create Bezier Text Element
    //Must be on QueuedTask.Run(() => { ...
    
    //Build geometry
    Coordinate2D pt1 = new Coordinate2D(3.5, 7.5);
    Coordinate2D pt2 = new Coordinate2D(4.16, 8);
    Coordinate2D pt3 = new Coordinate2D(4.83, 7.1);
    Coordinate2D pt4 = new Coordinate2D(5.5, 7.5);
    var bez = new CubicBezierBuilderEx(pt1, pt2, pt3, pt4);
    var bezSeg = bez.ToSegment();
    Polyline bezPl = PolylineBuilderEx.CreatePolyline(bezSeg, AttributeFlags.AllAttributes);
    
    //Set symbolology, create and add element to layout
    CIMTextSymbol sym = SymbolFactory.Instance.ConstructTextSymbol(
      ColorFactory.Instance.BlackRGB, 24, "Comic Sans MS", "Regular");
    
    var ge = ElementFactory.Instance.CreateTextGraphicElement(
      container, TextType.SplinedText, bezPl, sym, "this is the bezier text",
            "New Bezier Text", true, new ElementInfo() { Anchor = Anchor.CenterPoint });
    
    Create Ellipse Text Element
    //Must be on QueuedTask.Run(() => { ...
    
    //Build geometry
    Coordinate2D center = new Coordinate2D(4.5, 2.75);
    var eabElp = new EllipticArcBuilderEx(center, 0, 1, 0.45, ArcOrientation.ArcClockwise);
    var ellipse = eabElp.ToSegment();
    
    var poly = PolygonBuilderEx.CreatePolygon(
      PolylineBuilderEx.CreatePolyline(ellipse, AttributeFlags.AllAttributes));
    
    //Set symbolology, create and add element to layout
    CIMTextSymbol sym = SymbolFactory.Instance.ConstructTextSymbol(
                          ColorFactory.Instance.BlueRGB, 10, "Arial", "Regular");
    string text = "Ellipse, ellipse, ellipse";
    
    GraphicElement ge = ElementFactory.Instance.CreateTextGraphicElement(
      container, TextType.PolygonParagraph, poly, sym, text, "New Ellipse Text", false);
    
    Construct a Text Symbol With Options
    QueuedTask.Run(() =>
    {
      //using the default font
      var textSym1 = SymbolFactory.Instance.ConstructTextSymbol();
      var textSym2 = SymbolFactory.Instance.ConstructTextSymbol(
                         ColorFactory.Instance.BlueRGB, 14);
    
      //using a specific font
      var textSym3 = SymbolFactory.Instance.ConstructTextSymbol("Arial");
      var textSym4 = SymbolFactory.Instance.ConstructTextSymbol(
                        "Arial", "Narrow Bold");
    
      //or query available fonts to ensure the font is there
      var all_fonts = SymbolFactory.Instance.GetAvailableFonts();
      var font = all_fonts.FirstOrDefault(f => f.fontName == "Arial");
      if (!string.IsNullOrEmpty(font.fontName))
      {
        var textSym5 = SymbolFactory.Instance.ConstructTextSymbol(font.fontName);
        //or with a font+style
        var textSym6 = SymbolFactory.Instance.ConstructTextSymbol(
                                        font.fontName, font.fontStyles.First());
      }
    
      //overloads - font + color and size, etc
      var textSym7 = SymbolFactory.Instance.ConstructTextSymbol(
                      ColorFactory.Instance.BlueRGB, 14, "Times New Roman", "Italic");
    
      //custom symbol - black stroke, red fill
      var poly_symbol = SymbolFactory.Instance.ConstructPolygonSymbol(
        SymbolFactory.Instance.ConstructSolidFill(ColorFactory.Instance.RedRGB),
        SymbolFactory.Instance.ConstructStroke(ColorFactory.Instance.BlackRGB, 1));
      var textSym8 = SymbolFactory.Instance.ConstructTextSymbol(
              poly_symbol, 14, "Georgia", "Bold");
    
    });
    
    
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3.0 or higher.
    See Also