AreTrackLinesVisible Property

In This Topic

Gets whether Track Line segments will be displayed.

Syntax

C#
Visual Basic (Declaration)

public bool AreTrackLinesVisible {get;}

Public ReadOnly Property AreTrackLinesVisible As Boolean

Example

Check Previous Observation and Track Line Visibility

//The layer must be track aware and spatial for these settings
//to have an effect
if (streamLayer.TrackType != TrackType.Spatial)
  return;
//Must be on QueuedTask
if (!streamLayer.AreTrackLinesVisible)
  streamLayer.SetTrackLinesVisibility(true);
if (!streamLayer.ArePreviousObservationsVisible)
  streamLayer.SetPreviousObservationsVisibility(true);

Make Track Lines and Previous Observations Visible

//The layer must be track aware and spatial for these settings
//to have an effect
if (streamLayer.TrackType != TrackType.Spatial)
  return;

//Must be on QueuedTask

//Note: Setting PreviousObservationsCount larger than the 
//"SetExpirationMaxCount()" has no effect
streamLayer.SetPreviousObservationsCount(6);
if (!streamLayer.AreTrackLinesVisible)
  streamLayer.SetTrackLinesVisibility(true);
if (!streamLayer.ArePreviousObservationsVisible)
  streamLayer.SetPreviousObservationsVisibility(true);

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.

Reference

FeatureLayer Class
FeatureLayer Members

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