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Copy pathPropertyChangedBase.cs
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44 lines (40 loc) · 1.27 KB
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Linq.Expressions;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
namespace HttpCacheTestDemo
{
[DataContract]
public class PropertyChangedBase : INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
public void NotifyPropertyChanged(string propertyName)
{
if (this.PropertyChanged != null)
{
this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
}
}
}
[DataContract]
public static class PropertyChangedBaseEx
{
public static void NotifyPropertyChanged<T, TProperty>(this T propertyChangedBase, Expression<Func<T, TProperty>> expression) where T : PropertyChangedBase
{
var memberExpression = expression.Body as MemberExpression;
if (memberExpression != null)
{
string propertyName = memberExpression.Member.Name;
propertyChangedBase.NotifyPropertyChanged(propertyName);
}
else
{
throw new NotImplementedException();
}
}
}
}