/// <summary>
/// Subscribes the given object to changes in the active snapshot.
/// </summary>
/// <param name="snapshotObserver">The object to observe active snapshot changes.</param>
public static void Subscribe(ISnapshotObserver snapshotObserver)
{
lock (SnapshotManager.ObserverLock)
{
if (!SnapshotManager.SnapshotObservers.Contains(snapshotObserver))
{
SnapshotManager.SnapshotObservers.Add(snapshotObserver);
snapshotObserver.Update(SnapshotManager.GetSnapshot(Snapshot.SnapshotRetrievalMode.FromActiveSnapshot, null));
}
}
}
/// <summary>
/// Notify all observing objects of an active snapshot change.
/// </summary>
private static void NotifyObservers()
{
lock (SnapshotManager.ObserverLock)
{
Snapshot activeSnapshot = SnapshotManager.GetSnapshot(Snapshot.SnapshotRetrievalMode.FromActiveSnapshot, null);
foreach (ISnapshotObserver observer in SnapshotManager.SnapshotObservers)
{
observer.Update(activeSnapshot);
}
}
}