AddListener()

void System.Diagnostics.ActivitySource.AddListener ( ActivityListener listener )

inlinepackage

Definition at line 223 of file ActivitySource.cs.

    {
        if (_listeners == null)
        {
            Interlocked.CompareExchange(ref _listeners, new SynchronizedList<ActivityListener>(), null);
        }
        _listeners.AddIfNotExist(listener);
    }

References System.Diagnostics.ActivitySource._listeners, and System.Threading.Interlocked.CompareExchange().