Generic Config wrapper C# / WP7

gistfile1.cs

public static class Config
{
        private static readonly string SomeConfigElementKey = "MYKEY";
        private static string _someConfigElement;

        public string SomeConfigElement {
            get {
              return GenericGetFromConfig<string>(SomeConfigElementKey, ref _someConfigElement);
            }
            set {
              GenericSaveToConfig<string>(SomeConfigElementKey, ref _someConfigElement, value);
            }
        }

        private static T GenericGetFromConfig<T>(string Key, ref T element) where T : new()
        {
            if (element != null)
                return element;

            IsolatedStorageSettings config = IsolatedStorageSettings.ApplicationSettings;

            try
            {
                if (!config.TryGetValue<T>(Key, out element))
                {
                    element = new T();
                    config.Add(Key, element);
                    config.Save();
                }
            }
            catch (InvalidCastException)
            {
                config.Remove(Key);
            }
            catch (Exception)
            {
            }

            if (element == null)
                element = new T();

            return element;
        }

private static void GenericSaveToConfig<T>(string Key, ref T element, T value) where T : new()
        {
            if (value == null)
                return;

            IsolatedStorageSettings conf = IsolatedStorageSettings.ApplicationSettings;

            try
            {
                element = value;
                if (conf.Contains(Key))
                    conf[Key] = value;
                else
                    conf.Add(Key, value);
                conf.Save();
            }
            catch (Exception)
            {
            }
        }
}