/// <summary> /// Makes the filter aware of the <see cref="IRoutedMessageHandler"/>. /// </summary> /// <param name="messageHandler">The message handler.</param> public void MakeAwareOf(IRoutedMessageHandler messageHandler) { var notifier = messageHandler.Unwrap() as INotifyPropertyChanged; if (notifier == null) return; var helper = messageHandler.GetMetadata<DependencyObserver>(); if (helper != null) return; helper = new DependencyObserver(messageHandler, _methodFactory, notifier); messageHandler.AddMetadata(helper); }
/// <summary> /// Makes the filter aware of the <see cref="IRoutedMessageHandler"/>. /// </summary> /// <param name="messageHandler">The message handler.</param> public void MakeAwareOf(IRoutedMessageHandler messageHandler) { var notifier = messageHandler.Unwrap() as INotifyPropertyChanged; if (notifier == null) { return; } var helper = messageHandler.GetMetadata <DependencyObserver>(); if (helper != null) { return; } helper = new DependencyObserver(messageHandler, _methodFactory, notifier); messageHandler.AddMetadata(helper); }
private void TryHookDependencyObserver(IRoutedMessageHandler messageHandler) { if (!IsGetter) { return; } var notifier = messageHandler.Unwrap() as INotifyPropertyChanged; if (notifier == null) { return; } var helper = messageHandler.Metadata.FirstOrDefaultOfType <DependencyObserver>(); if (helper != null) { return; } helper = new DependencyObserver(messageHandler, methodFactory, notifier); messageHandler.Metadata.Add(helper); }
/// <summary> /// Makes the filter aware of the <see cref="IRoutedMessageHandler"/>. /// </summary> /// <param name="messageHandler">The message handler.</param> public void MakeAwareOf(IRoutedMessageHandler messageHandler) { if (!AffectsTriggers) return; var notifier = messageHandler.Unwrap() as INotifyPropertyChanged; if (notifier == null) return; var helper = messageHandler.Metadata.FirstOrDefaultOfType<DependencyObserver>(); if (helper != null) return; helper = new DependencyObserver(messageHandler, _methodFactory, notifier); messageHandler.Metadata.Add(helper); }
private void TryHookDependencyObserver(IRoutedMessageHandler messageHandler) { //if (!IsGetter()) return; var notifier = messageHandler.Unwrap() as INotifyPropertyChanged; if (notifier == null) return; var helper = messageHandler.Metadata.FirstOrDefaultOfType<DependencyObserver>(); if (helper != null) return; helper = new DependencyObserver(messageHandler, _methodFactory, notifier); messageHandler.Metadata.Add(helper); }