ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / DotDensityRendererDefinition Class / BackgroundSymbol Property

BackgroundSymbol Property (DotDensityRendererDefinition)
Gets or sets the background symbol.
Syntax
public CIMSymbolReference BackgroundSymbol {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.9 or higher.
See Also