public void AddAnnotation(Annotation annotation)
{
_primary.AddAnnotation(annotation);
}
/// <summary>
/// Adds an <c>Annotation</c> to the repository. Should be called only once per <c>Annotation</c>, and the
/// <c>Annotation</c> should have been created by calling <c>CreateAnnotation</c>
/// </summary>
/// <param name="annotation"></param>
public void AddAnnotation(Annotation annotation)
{
_repository.AddAnnotation(annotation);
_repository.SaveNowIfNeeded(new NullProgress());
}