public override void OnRegisterNotification(ISymbol symbol, SymbolNotificationType type, INotificationSettings settings)
{
if (symbol == null)
{
throw new ArgumentNullException("symbol");
}
if (settings == null)
{
throw new ArgumentNullException("settings");
}
NotificationSettings settings2 = null;
if (!this._notificationTable.TryGetRegisteredNotificationSettings(symbol, out settings2))
{
this.RegisterNotification(symbol, type, (NotificationSettings)settings);
}
else if (settings2.CompareTo(settings) >= 0)
{
this.RegisterNotification(symbol, type, settings2);
}
else
{
this.UnregisterNotification(symbol, type);
this.RegisterNotification(symbol, type, (NotificationSettings)settings);
}
}
