Basics about INotifyPropertyChanged in silverlight.

public class DummyClass: INotifyPropertyChanged {        public event PropertyChangedEventHandler PropertyChanged;     protected virtual void OnPropertyChanged(string propertyName)     {         PropertyChangedEventHandler handler = PropertyChanged;         if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));     }     protected bool CallProperty<T>(ref T field, T value, string propertyName)     {         if (EqualityComparer<T>.Default.Equals(field, value)) return false;         field = value;         OnPropertyChanged(propertyName);         return true;     }       private string dummyProperty;     public string DummyProperty     {         get { return name; }         set { CallProperty(ref name, value, "DummyProperty"); }     } }