Generic Service Util Client Proxy to consume WCF services

Proxy.cs

using System;
using System.ServiceModel;

public class Proxy<T>
{
    public ChannelFactory<T> Factory { get; set; }

    public Proxy()
    {
        Factory = new ChannelFactory<T>("endpoint");
    }

    public T CreateChannel()
    {
        return Factory.CreateChannel();
    }

    public void Execute(Action<T> action)
    {
        T proxy = CreateChannel();

        action(proxy);

        ((ICommunicationObject)proxy).Close();
    }

    public TResult Execute<TResult>(Func<T, TResult> function)
    {
        T proxy = CreateChannel();

        var result = function(proxy);

        ((ICommunicationObject)proxy).Close();

        return result;
    }
}