silverlight屬性改變事件通知

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工作中遇到silverlight本身沒有提供的某些屬性改變事件，但又需要在屬性改變時得到通知，Google搬運stack overflow，原地址

 /// Listen for change of the dependency property    public void RegisterForNotification(string propertyName, FrameworkElement element, PropertyChangedCallback callback)    {        //Bind to a depedency property        Binding b = new Binding(propertyName) { Source = element };        var prop = System.Windows.DependencyProperty.RegisterAttached(            "ListenAttached"+propertyName,            typeof(object),            typeof(UserControl),            new System.Windows.PropertyMetadata(callback));        element.SetBinding(prop, b);    }

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RegisterForNotification("Text", this.txtMain,(d,e)=>MessageBox.Show("Text changed"));RegisterForNotification("Value", this.sliderMain, (d, e) => MessageBox.Show("Value changed"));

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silverlight屬性改變事件通知