https://www.cnblogs.com/li-peng/p/3169864.html
https://www.cnblogs.com/ColdJokeLife/archive/2013/05/30/3108112.html
//C#5.0 版本
public abstract class ObservableObject : INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
protected void SetProperty<T>(ref T field, T value, [CallerMemberName] string propertyName = null)
{
if (EqualityComparer<T>.Default.Equals(field, value))
{
return;
}
field = value;
var handler = this.PropertyChanged;
if (handler != null)
{
handler(this, new PropertyChangedEventArgs(propertyName));
}
}
}
public class Person : NotifyPropertyChangedEx
{
private string name;
public string Name
{
get { return name; }
set { this.SetProperty(ref name, value); }
}