ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / Animation Class / Duration Property
Example Version

Duration Property (Animation)
Gets the length of time of all tracks in the animation.
Syntax
public TimeSpan Duration {get;}
Example
Set Animation Length
public void SetAnimationLength(TimeSpan length)
{
  var mapView = MapView.Active;
  if (mapView != null)
    return;

  var animation = mapView.Map.Animation;
  var duration = animation.Duration;
  if (duration == TimeSpan.Zero)
    return;

  var factor = length.TotalSeconds / duration.TotalSeconds;
  animation.ScaleDuration(factor);
}
Scale Animation
public void ScaleAnimationAfterTime(TimeSpan afterTime, TimeSpan length)
{
  var mapView = MapView.Active;
  if (mapView != null)
    return;

  var animation = mapView.Map.Animation;
  var duration = animation.Duration;
  if (duration == TimeSpan.Zero || duration <= afterTime)
    return;

  var factor = length.TotalSeconds / (duration.TotalSeconds - afterTime.TotalSeconds);
  animation.ScaleDuration(afterTime, duration, factor);
}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also