Image Url property catching validation errors.

PropertyDCImageUrl.cs

namespace MyWebsite.PropertyTypes
{
    using System;
    using System.IO;
    using EPiServer.SpecializedProperties;
    using log4net;

    public class PropertyDCImageUrl : PropertyImageUrl
    {
        private static ILog logger = LogManager.GetLogger(typeof(PropertyDCImageUrl));

        protected override void ValidateUri(Uri uri)
        {
            try
            {
                base.ValidateUri(uri);
            }
            catch (FileNotFoundException ex)
            {
                // Log this error.
                logger.Warn(ex.Message, ex);
            }
        }
    }
}