ArcGIS Pro 3.3 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMClassBreaksRenderer Class
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    CIMClassBreaksRenderer Class
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    Represents a class break renderer.
    Object Model
    CIMClassBreaksRenderer ClassCIMSymbolReference ClassCIMClassBreaksRenderer ClassCIMColorRamp ClassCIMSymbolReference ClassCIMSymbolReference ClassCIMClassBreaksRenderer ClassCIMNumberFormat ClassCIMExpressionInfo Class
    Create an Unclassed Renderer
    string colorBrewerSchemesName = "ArcGIS Colors";
    StyleProjectItem style = Project.Current.GetItems<StyleProjectItem>().First(s => s.Name == colorBrewerSchemesName);
    string colorRampName = "Heat Map 4 - Semitransparent";
    IList<ColorRampStyleItem> colorRampList = await QueuedTask.Run(() =>
      return style.SearchColorRamps(colorRampName);
    ColorRampStyleItem colorRamp = colorRampList[0];
    await QueuedTask.Run(() =>
      CIMPointSymbol pointSym = SymbolFactory.Instance.ConstructPointSymbol(ColorFactory.Instance.GreenRGB, 16.0, SimpleMarkerStyle.Diamond);
      CIMSymbolReference symbolPointTemplate = pointSym.MakeSymbolReference();
      //defining an unclassed renderer with custom upper and lower stops
      //all features with value >= 5,000,000 will be drawn with the upper color from the color ramp
      //all features with value <= 50,000 will be drawn with the lower color from the color ramp
      UnclassedColorsRendererDefinition unclassRndrDef = new UnclassedColorsRendererDefinition
                            ("Population", symbolPointTemplate, colorRamp.ColorRamp, "Highest", "Lowest", 5000000, 50000)
        //drawing features with null values with a different symbol
        ShowNullValues = true,
        NullValueLabel = "Unknown"
      CIMPointSymbol nullSym = SymbolFactory.Instance.ConstructPointSymbol(ColorFactory.Instance.RedRGB, 16.0, SimpleMarkerStyle.Circle);
      unclassRndrDef.NullValueSymbol = nullSym.MakeSymbolReference();
      FeatureLayer flyr = MapView.Active.Map.Layers[0] as FeatureLayer;
      CIMClassBreaksRenderer cbRndr = flyr.CreateRenderer(unclassRndrDef) as CIMClassBreaksRenderer;
    Inheritance Hierarchy



    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also