ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / StyleProjectItem Class
Members Example

In This Topic
    StyleProjectItem Class
    In This Topic
    Represents a style project item.
    Object Model
    StyleProjectItem ClassTimeInstant Class
    Syntax
    Example
    Get all "StyleProjectItems"
    IEnumerable<StyleProjectItem> newStyleItemsContainer = null;
    newStyleItemsContainer = Project.Current.GetItems<StyleProjectItem>();
    foreach (var styleItem in newStyleItemsContainer)
    {
      //Do Something with the style.
    }
    Get a specific "StyleProjectItem"
    var container = Project.Current.GetItems<StyleProjectItem>();
    StyleProjectItem testStyle = container.FirstOrDefault(style => (style.Name == "ArcGIS 3D"));
    StyleItem cone = null;
    if (testStyle != null)
      cone = testStyle.LookupItem(StyleItemType.PointSymbol, "Cone_Volume_3");
    Get the "Favorite" StyleProjectItem
    var fav_style_item = await QueuedTask.Run(() =>
    {
      var containerStyle = Project.Current.GetProjectItemContainer("Style");
      return containerStyle.GetItems().OfType<StyleProjectItem>().First(item => item.TypeID == "personal_style");
    });
    
    ProjectItem: Get an Item or Find an Item
    //GetItems searches project content
    var map = Project.Current.GetItems<MapProjectItem>().FirstOrDefault(m => m.Name == "Map1");
    var layout = Project.Current.GetItems<LayoutProjectItem>().FirstOrDefault(m => m.Name == "Layout1");
    var folders = Project.Current.GetItems<FolderConnectionProjectItem>();
    var style = Project.Current.GetItems<StyleProjectItem>().FirstOrDefault(s => s.Name == "ArcGIS 3D");
    
    //Find item uses a catalog path. The path can be to a file or dataset
    var fcPath = @"C:\Pro\CommunitySampleData\Interacting with Maps\Interacting with Maps.gdb\Crimes";
    var pdfPath = @"C:\Temp\Layout1.pdf";
    var imgPath = @"C:\Temp\AddinDesktop16.png";
    
    var fc = Project.Current.FindItem(fcPath);
    var pdf = Project.Current.FindItem(pdfPath);
    var img = Project.Current.FindItem(imgPath);
    
    Create_ScaleBar
    //Create a scale bar for a specific map frame and assign a scale bar style item.
    
    //Construct on the worker thread
    await QueuedTask.Run(() =>
    {
      //Reference a North Arrow in a style
      StyleProjectItem stylePrjItm = Project.Current.GetItems<StyleProjectItem>().FirstOrDefault(item => item.Name == "ArcGIS 2D");
      ScaleBarStyleItem sbStyleItm = stylePrjItm.SearchScaleBars("Double Alternating Scale Bar 1")[0];
    
      //Build geometry
      Coordinate2D center = new Coordinate2D(7, 8);
    
      //Reference MF, create north arrow and add to layout 
      MapFrame mf = layout.FindElement("New Map Frame") as MapFrame;
      if (mf == null)
      {
        ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("Map frame not found", "WARNING");
        return;
      }
    
      //At 2.x -
      //ScaleBar sbElm = LayoutElementFactory.Instance.CreateScaleBar(layout, center, mf, sbStyleItm);
      //sbElm.SetName("New Scale Bar");
      //sbElm.SetWidth(2);
      //sbElm.SetX(6);
      //sbElm.SetY(7.5); 
    
      var sbInfo = new ScaleBarInfo()
      {
        MapFrameName = mf.Name,
        ScaleBarStyleItem = sbStyleItm
      };
      var sbElm = ElementFactory.Instance.CreateMapSurroundElement(
                                          layout, center.ToMapPoint(), sbInfo, "New Scale Bar") as ScaleBar;
      sbElm.SetWidth(2);
      sbElm.SetX(6);
      sbElm.SetY(7.5);
    });
    Create_NorthArrow
    //Create a north arrow for a specific map frame and assign a north arrow style item.
    
    //Construct on the worker thread
    await QueuedTask.Run(() =>
    {
      //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];
    
      //Build geometry
      Coordinate2D center = new Coordinate2D(7, 5.5);
    
      //Reference MF, create north arrow and add to layout 
      MapFrame mf = layout.FindElement("New Map Frame") as MapFrame;
      if (mf == null)
      {
        ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("Map frame not found", "WARNING");
        return;
      }
      //At 2.x -
      //NorthArrow arrowElm = LayoutElementFactory.Instance.CreateNorthArrow(layout, center, mf, naStyleItm);
      //arrowElm.SetName("New North Arrow");
      //arrowElm.SetHeight(1.75);
      //arrowElm.SetX(7);
      //arrowElm.SetY(6);
    
      var naInfo = new NorthArrowInfo()
      {
        MapFrameName = mf.Name,
        NorthArrowStyleItem = naStyleItm
      };
    
      var arrowElm = ElementFactory.Instance.CreateMapSurroundElement(
                                layout, center.ToMapPoint(), naInfo, "New North Arrow") as NorthArrow;
      arrowElm.SetHeight(1.75);
      arrowElm.SetX(7);
      arrowElm.SetY(6);
    });
    Create Line 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);
    
    //Reference a line symbol in a style
    var ProjectStyles = Project.Current.GetItems<StyleProjectItem>();
    StyleProjectItem style = ProjectStyles.First(x => x.Name == "ArcGIS 2D");
    var symStyle = style.SearchSymbols(StyleItemType.LineSymbol, "Line with 2 Markers")[0];
    CIMLineSymbol lineSym = symStyle.Symbol as CIMLineSymbol;
    lineSym.SetSize(20);
    
    //Set symbolology, create and add element to layout
    //CIMLineSymbol lineSym = SymbolFactory.Instance.ConstructLineSymbol(ColorFactory.Instance.BlueRGB, 4.0, SimpleLineStyle.Solid);
    ElementFactory.Instance.CreateGraphicElement(
      container, linePl, lineSym, "New Line");
    
    Create Point Element
    //Must be on QueuedTask.Run(() => { ...
    
    //Build geometry
    Coordinate2D coord2D = new Coordinate2D(2.0, 10.0);
    
    //Reference a point symbol in a style
    StyleProjectItem stylePrjItm = Project.Current.GetItems<StyleProjectItem>()
             .FirstOrDefault(item => item.Name == "ArcGIS 2D");
    SymbolStyleItem symStyleItm = stylePrjItm.SearchSymbols(
                          StyleItemType.PointSymbol, "City Hall")[0];
    CIMPointSymbol pointSym = symStyleItm.Symbol as CIMPointSymbol;
    pointSym.SetSize(50);
    
    var elemInfo = new ElementInfo()
    {
      CustomProperties = new List<CIMStringMap>() {
         new CIMStringMap() { Key = "Key1", Value = "Value1"},
         new CIMStringMap() { Key = "Key2", Value = "Value2"}
       },
      Anchor = Anchor.TopRightCorner,
      Rotation = 45.0
    };
    
    var graphic = GraphicFactory.Instance.CreateSimpleGraphic(
                                  coord2D.ToMapPoint(), pointSym);
    
    ElementFactory.Instance.CreateGraphicElement(
      container, graphic, "New Point", true, elemInfo);
    
    Create point graphic with symbology
    //Create a simple 2D point graphic and apply an existing point style item as the symbology.
    
    //Construct on the worker thread
    await QueuedTask.Run(() =>
    {
      //Build 2D point geometry  
      Coordinate2D coord2D = new Coordinate2D(2.0, 10.0);
    
      //(optionally) Reference a point symbol in a style
      StyleProjectItem ptStylePrjItm = Project.Current.GetItems<StyleProjectItem>()
                                    .FirstOrDefault(item => item.Name == "ArcGIS 2D");
      SymbolStyleItem ptSymStyleItm = ptStylePrjItm.SearchSymbols(
                                             StyleItemType.PointSymbol, "City Hall")[0];
      CIMPointSymbol pointSym = ptSymStyleItm.Symbol as CIMPointSymbol;
      pointSym.SetSize(50);
    
      //Set symbolology, create and add element to layout
    
      //An alternative simple symbol is also commented out below.
      //This would elminate the four optional lines of code above that
      //reference a style.
    
      //CIMPointSymbol pointSym = SymbolFactory.Instance.ConstructPointSymbol(
      //                  ColorFactory.Instance.RedRGB, 25.0, SimpleMarkerStyle.Star);  
      //At 2.x - GraphicElement ptElm =
      //                    LayoutElementFactory.Instance.CreatePointGraphicElement(
      //                                        layout, coord2D, pointSym);
    
      GraphicElement ptElm = ElementFactory.Instance.CreateGraphicElement(
                                     container, coord2D.ToMapPoint(), pointSym);
      ptElm.SetName("New Point");
    });
    Create line graphic with symbology
    //Create a simple 2D line graphic and apply an existing line
    //style item as the symbology.
    
    //Construct on the worker thread
    await QueuedTask.Run(() =>
    {
      //Build 2d line 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));
      //At 2.x - Polyline linePl = PolylineBuilder.CreatePolyline(plCoords);
      Polyline linePl = PolylineBuilderEx.CreatePolyline(plCoords);
    
      //(optionally) Reference a line symbol in a style
      StyleProjectItem lnStylePrjItm = Project.Current.GetItems<StyleProjectItem>()
                                    .FirstOrDefault(item => item.Name == "ArcGIS 2D");
      SymbolStyleItem lnSymStyleItm = lnStylePrjItm.SearchSymbols(
                                    StyleItemType.LineSymbol, "Line with 2 Markers")[0];
      CIMLineSymbol lineSym = lnSymStyleItm.Symbol as CIMLineSymbol;
      lineSym.SetSize(20);
    
      //Set symbolology, create and add element to layout
    
      //An alternative simple symbol is also commented out below.
      //This would elminate the four optional lines of code above that
      //reference a style.
      //
      //CIMLineSymbol lineSym = SymbolFactory.Instance.ConstructLineSymbol(
      //         ColorFactory.Instance.BlueRGB, 4.0, SimpleLineStyle.Solid);  
      //At 2.x - GraphicElement lineElm =
      //        LayoutElementFactory.Instance.CreateLineGraphicElement(
      //                                            layout, linePl, lineSym);
    
      GraphicElement lineElm = ElementFactory.Instance.CreateGraphicElement(
                                                  container, linePl, lineSym);
      lineElm.SetName("New Line");
    });
    Create rectangle graphic with simple symbology
    //Create a simple 2D rectangle graphic and apply simple fill and
    //outline symbols.
    
    //Construct on the worker thread
    await QueuedTask.Run(() =>
    {
      //Build 2D envelope geometry
      Coordinate2D rec_ll = new Coordinate2D(1.0, 4.75);
      Coordinate2D rec_ur = new Coordinate2D(3.0, 5.75);
      //At 2.x - Envelope rec_env = EnvelopeBuilder.CreateEnvelope(rec_ll, rec_ur);
      Envelope rec_env = EnvelopeBuilderEx.CreateEnvelope(rec_ll, rec_ur);
    
      //Set symbolology, create and add element to layout
      CIMStroke outline = SymbolFactory.Instance.ConstructStroke(
        ColorFactory.Instance.BlackRGB, 5.0, SimpleLineStyle.Solid);
      CIMPolygonSymbol polySym = SymbolFactory.Instance.ConstructPolygonSymbol(
        ColorFactory.Instance.GreenRGB, SimpleFillStyle.DiagonalCross, outline);
    
      //At 2.x - GraphicElement recElm =
      //           LayoutElementFactory.Instance.CreateRectangleGraphicElement(
      //                                                  layout, rec_env, polySym);
      //         recElm.SetName("New Rectangle");
      //
      GraphicElement recElm = ElementFactory.Instance.CreateGraphicElement(
        container, rec_env, polySym, "New Rectangle");
      //Or use Predefined shape
      GraphicElement recElm2 = ElementFactory.Instance.CreatePredefinedShapeGraphicElement(
                                container, PredefinedShape.Rectangle, rec_env, polySym, 
                                "New Rectangle2");
    });
    Create Scale Bar From StyleItem
    //Create a scale bar using a style.
    
    //Search for a style project item by name
    StyleProjectItem arcgis_2dStyle = Project.Current.GetItems<StyleProjectItem>()
                                .First(si => si.Name == "ArcGIS 2D");
    
    //Construct on the worker thread
    await QueuedTask.Run(() =>
    {
      //Reference the specific scale bar by name 
      ScaleBarStyleItem scaleBarItem = arcgis_2dStyle.SearchScaleBars(
                         "Double Alternating Scale Bar").FirstOrDefault();
    
      //Reference the map frame and define the location
      MapFrame myMapFrame = layout.FindElement("Map Frame") as MapFrame;
      Coordinate2D coord2D = new Coordinate2D(10.0, 7.0);
    
      //Construct the scale bar
      //At 2.x - LayoutElementFactory.Instance.CreateScaleBar(
      //             layout, coord2D, myMapFrame, scaleBarItem);
      var sbarInfo = new ScaleBarInfo()
      {
        MapFrameName = myMapFrame.Name,
        ScaleBarStyleItem = scaleBarItem
      };
      ElementFactory.Instance.CreateMapSurroundElement(
              layout, coord2D.ToMapPoint(), sbarInfo);
    });
    Create North Arrow From StyleItem 1
    //Create a north arrow using a style.
    
    //Search for a style project item by name
    StyleProjectItem arcgis2dStyles = Project.Current.GetItems<StyleProjectItem>()
                      .First(si => si.Name == "ArcGIS 2D");
    
    //Construct on the worker thread
    await QueuedTask.Run(() =>
    {
      NorthArrowStyleItem naStyleItem = arcgis2dStyles.SearchNorthArrows(
                    "ArcGIS North 13").FirstOrDefault();
    
      //Reference the map frame and define the location
      MapFrame newFrame = layout.FindElement("New Map Frame") as MapFrame;
      Coordinate2D nArrow = new Coordinate2D(6, 2.5);
    
      //Construct the north arrow
      //At 2.x - var newNorthArrow = LayoutElementFactory.Instance.CreateNorthArrow(
      //                        layout, nArrow, newFrame, naStyleItem);
    
      var naInfo = new NorthArrowInfo()
      {
        MapFrameName = newFrame.Name,
        NorthArrowStyleItem = naStyleItem
      };
      var newNorthArrow = ElementFactory.Instance.CreateMapSurroundElement(
                              layout, nArrow.ToMapPoint(), naInfo);
    });
    Create Scale Bar
    //Must be on QueuedTask.Run(() => { ...
    
    //Build geometry
    Coordinate2D ll = new Coordinate2D(5.0, 6);
    Coordinate2D ur = new Coordinate2D(6.0, 7);
    Envelope sbEnv = EnvelopeBuilderEx.CreateEnvelope(ll, ur);
    
    //Reference a Scale Bar in a style
    StyleProjectItem stylePrjItm = Project.Current.GetItems<StyleProjectItem>()
                  .FirstOrDefault(item => item.Name == "ArcGIS 2D");
    ScaleBarStyleItem sbStyleItm = stylePrjItm.SearchScaleBars(
                 "Alternating Scale Bar 1")[0];
    //ScaleBarStyleItem sbStyleItm = stylePrjItm.SearchScaleBars(
    //                                   "Double Alternating Scale Bar 1")[0];
    //ScaleBarStyleItem sbStyleItm = stylePrjItm.SearchScaleBars(
    //                                    "Hollow Scale Bar 1")[0];
    
    //Create Scale Bar
    ScaleBarInfo sbInfo = new ScaleBarInfo()
    {
      MapFrameName = mapFrame.Name
    };
    
    var sbElm = ElementFactory.Instance.CreateMapSurroundElement(
                                       layout, sbEnv, sbInfo) as ScaleBar;
    Create Scale Line
    //Must be on QueuedTask.Run(() => { ...
    
    //Build geometry
    Coordinate2D ll = new Coordinate2D(5.0, 8);
    Coordinate2D ur = new Coordinate2D(6.0, 9);
    Envelope sbEnv = EnvelopeBuilderEx.CreateEnvelope(ll, ur);
    
    //Reference a Scale Bar in a style
    StyleProjectItem stylePrjItm = Project.Current.GetItems<StyleProjectItem>()
                                 .FirstOrDefault(item => item.Name == "ArcGIS 2D");
    ScaleBarStyleItem sbStyleItm = stylePrjItm.SearchScaleBars(
                                  "Scale Line 1")[0];
    //ScaleBarStyleItem sbStyleItm = stylePrjItm.SearchScaleBars(
    //                                           "Stepped Scale Line")[0];
    //ScaleBarStyleItem sbStyleItm = stylePrjItm.SearchScaleBars(
    //                                            "Scale Line 2")[0];
    
    //Create Scale Bar
    ScaleBarInfo sbInfo = new ScaleBarInfo()
    {
      MapFrameName = mapFrame.Name,
      ScaleBarStyleItem = sbStyleItm
    };
    
    var sbElm = ElementFactory.Instance.CreateMapSurroundElement(
                      layout, sbEnv, sbInfo, "ScaleBar Line") as ScaleBar;
    How to get a style in project by name
    //Get all styles in the project
    var ProjectStyles = Project.Current.GetItems<StyleProjectItem>();
    
    //Get a specific style in the project by name
    StyleProjectItem style = ProjectStyles.First(x => x.Name == "NameOfTheStyle");
    Inheritance Hierarchy

    System.Object
       ArcGIS.Desktop.Framework.Contracts.PropertyChangedBase
          ArcGIS.Desktop.Core.Item
                ArcGIS.Desktop.Mapping.StyleProjectItem

    Requirements

    Target Platforms: Windows 11, Windows 10, Windows 8.1

    See Also