ArcGIS Pro 2.6 API Reference Guide
LegendStyleItem Class
Members 

ArcGIS.Desktop.Mapping Namespace : LegendStyleItem Class
Represents a legend saved in a style.
Object Model
LegendStyleItem ClassCIMLegend Class
Syntax
Inheritance Hierarchy

System.Object
   ArcGIS.Desktop.Framework.Contracts.PropertyChangedBase
      ArcGIS.Desktop.Mapping.StyleItem
         ArcGIS.Desktop.Mapping.LegendStyleItem

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

LegendStyleItem Members
ArcGIS.Desktop.Mapping Namespace