ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / ProportionalRendererDefinition Class / MaximumSymbolSize Property
Version

MaximumSymbolSize Property (ProportionalRendererDefinition)
Gets or sets the maximum symbol size used in the renderer.
Syntax
public Nullable<double> MaximumSymbolSize {get; set;}
Remarks
When the map is in a projected coordinated system and Units is set, you can symbolize features proportional to their values without limiting to a maximum size by setting MaximumSymbolSize to null.
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also