ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMTimelineLayer Class / Visibility Property

Visibility Property (CIMTimelineLayer)
Gets or sets a value indicating whether the timeline layer is visible.
Syntax
public bool Visibility {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.7 or higher.
See Also