partial void RefreshClicked(NSButton sender)
 {
     if (RefreshButtonClicked != null)
     {
         UsageIndicator.StartAnimation(this);
         RefreshButtonClicked(this, EventArgs.Empty);
     }
 }
 // Shared initialization code
 private void Initialize()
 {
     // Default values
     UsageIndicator.StartAnimation(this);
     PeakUsageLabel.StringValue    = InitialValue;
     OffPeakUsageLabel.StringValue = InitialValue;
     TotalUsageLabel.StringValue   = InitialValue;
     PeriodBeganLabel.StringValue  = InitialValue;
     PeriodEndedLabel.StringValue  = InitialValue;
 }