partial void LoginClicked(NSButton sender)
        {
            ActivityIndicator.StartAnimation(this);
            ViewUsageButton.Enabled = false;

            // Try and validate the hash code, in the background so we don't lock the UI
            UsageChecker.ValidateHashCode(HashCode.StringValue, (success) =>
            {
                BeginInvokeOnMainThread(() =>
                {
                    // Update UI with what we found out
                    ActivityIndicator.StopAnimation(this);
                    ViewUsageButton.Enabled = true;

                    if (success)
                    {
                        OnLoggedIn(HashCode.StringValue);
                    }
                    else
                    {
                        NSAlert.WithMessage("Error", "OK", null, null, "The Hash Code you entered is incorrect, please double-check the code you entered.").RunModal();
                    }
                });
            });
        }