private static bool FromStringToGuid <G>(string from, G defaultVal, out object result)
 {
     result = GuidConv.StringToGuid(from, GuidConv.ObjToGuid(defaultVal));
     return(true);
 }
 /// <summary>
 /// Convert <see cref="object"/> to <see cref="Guid"/>
 /// </summary>
 /// <param name="obj"></param>
 /// <param name="defaultVal"></param>
 /// <returns></returns>
 public static Guid ToGuid(object obj, Guid defaultVal = default) => GuidConv.ObjToGuid(obj, defaultVal);