ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / LayerTrack Class
Members Example Version

LayerTrack Class
A track containing a collection of LayerKeyframe objects that defines the visibility and transparency of layers during the animation.
Object Model
LayerTrack ClassKeyframe Class
Syntax
public sealed class LayerTrack : Track 
Example
Create Layer Keyframe
public void CreateLayerKeyframe(Layer layer, double transparency, TimeSpan atTime)
{
  var mapView = MapView.Active;
  if (mapView != null)
    return;

  var animation = mapView.Map.Animation;
  var layerTrack = animation.Tracks.OfType<LayerTrack>().First(); //There will always be only 1 LayerTrack in the animation.
  layerTrack.CreateKeyframe(layer, atTime, true, transparency, ArcGIS.Core.CIM.AnimationTransition.Linear);
}
Inheritance Hierarchy

System.Object
   ArcGIS.Desktop.Mapping.Track
      ArcGIS.Desktop.Mapping.LayerTrack

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also