public override void AwakeFromNib()
        {
            base.AwakeFromNib();

            // Start animation on progress bars
            Indeterminate.StartAnimation(this);
            AsyncProgress.StartAnimation(this);

            // Wireup controls
            LevelIndicator.Activated += (sender, e) => {
                FeedbackLabel.StringValue = string.Format("Level: {0:###}", LevelIndicator.DoubleValue);
            };

            Rating.Activated += (sender, e) => {
                FeedbackLabel.StringValue = string.Format("Rating: {0:###}", Rating.DoubleValue);
            };

            Relevance.Activated += (sender, e) => {
                FeedbackLabel.StringValue = string.Format("Relevance: {0:###}", Relevance.DoubleValue);
            };
        }