A Simple Solution to Some Problems with Asynchrony in Silverlight

using System.Collections.Generic;
using TaskManagerDemo.ExampleServiceReference;

namespace TaskManagerDemo.Utility
{
    public class CityComparer : IEqualityComparer<CityZipCode>
    {
        public bool Equals(CityZipCode x, CityZipCode y)
        {
            return x.City.Equals(y.City);
        }

        public int GetHashCode(CityZipCode obj)
        {
            return obj.City.GetHashCode();
        }
    }
}