ArcGIS Pro 2.9 API Reference Guide
LegendItemStyleItem Class
Members 

ArcGIS.Desktop.Mapping Namespace : LegendItemStyleItem Class
Represents a legend item saved in a style.
Object Model
LegendItemStyleItem ClassCIMLegendItem Class
Syntax
public class LegendItemStyleItem : StyleItem, System.ComponentModel.INotifyPropertyChanged  
Public Class LegendItemStyleItem 
   Inherits StyleItem
   Implements System.ComponentModel.INotifyPropertyChanged 
Inheritance Hierarchy

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

Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

See Also

Reference

LegendItemStyleItem Members
ArcGIS.Desktop.Mapping Namespace