using System;

using System.ComponentModel;

using System.Linq.Expressions;

using System.Reflection;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Test test = new Test();

        var notify = new NotifyPropertyChangedWrapper<Test>(test);

        notify.PropertyChanged += (s, e) => Console.WriteLine("Property changed: " + e.PropertyName);

        notify.Set(x => x.SomeProperty, 10);

        Console.WriteLine("Value of SomeProperty: " + notify.Get(x => x.SomeProperty));

    }

}

​

class Test

{

    public int SomeProperty { get; set; }

}

​

public class NotifyPropertyChangedWrapper<T> : INotifyPropertyChanged

{

    private readonly T item;

    public event PropertyChangedEventHandler PropertyChanged;

​

    public NotifyPropertyChangedWrapper(T item)

    {

        this.item = item;

    }

​

    public TProp Get<TProp>(Expression<Func<T, TProp>> exp)

    {

        MemberExpression memExp = exp.Body as MemberExpression;

        var property = memExp.Member as PropertyInfo;

        return (TProp)property.GetValue(item);

    }

​

    public void Set<TProp>(Expression<Func<T, TProp>> exp, TProp newValue)

    {

        MemberExpression memExp = exp.Body as MemberExpression;

        var property = memExp.Member as PropertyInfo;

        property.SetValue(item, newValue);

        PropertyChanged.Invoke(item, new PropertyChangedEventArgs(property.Name));

    }

}