public static void LoadFamilyFromProperties() { FamilyMembers.Clear(); if (Application.Current.Properties.ContainsKey(FAMILY_MEMBERS_PROPERTIES_KEY)) { string json = Application.Current.Properties[FAMILY_MEMBERS_PROPERTIES_KEY] as string; if (json != null) { List <FamilyMember> theFam = Newtonsoft.Json.JsonConvert.DeserializeObject <List <FamilyMember> >(json); FamilyMembers.AddRange(theFam); } } }