ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMBaseLayer Class / Transparency Property

Transparency Property (CIMBaseLayer)
Gets or sets the transparency of the layer.
Syntax
public double Transparency {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also