Summary of the usage of C# List Contains

    /// <summary>
/// Description: Pop up the model object list comparator (compare based on ID)
    /// </summary>
    public class PopupComparer : IEqualityComparer<>
    {
        public static PopupComparer Default = new PopupComparer();
#region IEqualityComparer<PopupModel> Member
        public bool Equals( x, y)
        {
            return ();
        }
        public int GetHashCode( obj)
        {
            return ();
        }
        #endregion
    }