ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / LayerKeyframe Class / Transparency Property

Transparency Property (LayerKeyframe)
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