ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMColorSubstitution Class / OldColor Property

OldColor Property
Gets or sets the old color (the color that will be substituted).
Syntax
public CIMColor OldColor {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also