private static Property CreateMultiItemProperty(string name, IEnumerable<object> values) {
     var prop = new Property() { Name = name };
     var multiItemSet = new MultiItemSet();
     multiItemSet.Values = new List<string>();
     foreach (var x in values)
         multiItemSet.Values.Add(x.ToString());
     prop.Set = multiItemSet;
     return prop;
 }
 private static Property CreateMultiItemProperty(string name, IEnumerable<object> values)
 {
     var prop = new Property() { Name = name };
     var multiItemSet = new MultiItemSet();
     multiItemSet.Values = new List<string>();
     foreach (var x in values)
         multiItemSet.Values.Add(x.ToString());
     prop.Set = multiItemSet;
     return prop;
 }