ArcGIS Pro 3.3 API Reference Guide
ArcGIS.Desktop.Layouts Namespace / ArrowInfo Class / ArrowOnBothEnds Property
Example

In This Topic
    ArrowOnBothEnds Property
    In This Topic
    Gets and sets whether the arrow should have an arrow placed at both ends or not.
    Syntax
    public bool ArrowOnBothEnds {get; set;}
    Public Property ArrowOnBothEnds As Boolean
    Example
    Create Arrow Graphic
    //Must be on QueuedTask.Run(() => { ...
    
    //Build geometry
    List<Coordinate2D> plCoords = new List<Coordinate2D>();
    plCoords.Add(new Coordinate2D(1, 8.5));
    plCoords.Add(new Coordinate2D(1.66, 9));
    plCoords.Add(new Coordinate2D(2.33, 8.1));
    plCoords.Add(new Coordinate2D(3, 8.5));
    Polyline linePl = PolylineBuilderEx.CreatePolyline(plCoords);
    
    //Set up the arrow info
    var arrowInfo = new ArrowInfo()
    {
      ArrowHeadKey = ArrowInfo.DefaultArrowHeadKeys[1],
      ArrowOnBothEnds = true,
      ArrowSizePoints = 30,
      LineWidthPoints = 15
    };
    
    var graphic = GraphicFactory.Instance.CreateArrowGraphic(linePl, arrowInfo);
    
    //Make an element to add to GraphicsLayer or Layout
    //var ge = ElementFactory.Instance.CreateGraphicElement(
    //  container, graphic, "Arrow Line", false);
    Create Line Arrow Element
    //Must be on QueuedTask.Run(() => { ...
    
    //Build geometry
    List<Coordinate2D> plCoords = new List<Coordinate2D>();
    plCoords.Add(new Coordinate2D(1, 8.5));
    plCoords.Add(new Coordinate2D(1.66, 9));
    plCoords.Add(new Coordinate2D(2.33, 8.1));
    plCoords.Add(new Coordinate2D(3, 8.5));
    Polyline linePl = PolylineBuilderEx.CreatePolyline(plCoords);
    
    var arrowInfo = new ArrowInfo()
    {
      ArrowHeadKey = ArrowInfo.DefaultArrowHeadKeys[8],
      ArrowOnBothEnds = true,
      ArrowSizePoints = 24,
      LineWidthPoints = 12
    };
    
    //Create and add element to layout
    GraphicElement lineElm = ElementFactory.Instance.CreateArrowGraphicElement(
      container, linePl, arrowInfo, "Arrow Line", true, 
                                new ElementInfo() { Rotation = 15.0 });
    //lineElm.SetName("New Line");
    
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also