Store a settings record in the user class. Serialize it for ease of loading / saving. Use this settings class for all storing / retrieving stuff. Works awesome.

EduNetworkBuilder/NB.cs

@@ -12,7 +12,8 @@ using System.Drawing;
 using System.Media;
 using System.Reflection;
 using System.Text.RegularExpressions;
-
+using System.Xml.Serialization;
+using System.IO;
 
 namespace EduNetworkBuilder
 {
@@ -367,6 +368,11 @@ namespace EduNetworkBuilder
 
         public static NBSettings GetSettings()
         {
+            //Try getting the user settings
+            PersonClass User = GetUser();
+            if (User != null) return User.UserSettings;
+
+            //If no user, get the settings for the program.
             BuilderWindow myWin = (BuilderWindow)Application.OpenForms["BuilderWindow"];
             if (myWin != null)
             {
@@ -580,6 +586,36 @@ namespace EduNetworkBuilder
             }
         }
 
+        /// <summary>
+        /// Serialize any serializable class to an XML string.
+        /// </summary>
+        /// <typeparam name="T">The type of object</typeparam>
+        /// <param name="toSerialize">The object to serialize</param>
+        /// <returns>A string containing the serialized object in XML</returns>
+        public static string SerializeObject<T>(T toSerialize)
+        {
+            XmlSerializer xmlSerializer = new XmlSerializer(toSerialize.GetType());
+
+            using (StringWriter textWriter = new StringWriter())
+            {
+                xmlSerializer.Serialize(textWriter, toSerialize);
+                return textWriter.ToString();
+            }
+        }
+
+        /// <summary>
+        /// Deserialize (oposite of SerializeObject) an object from an xml string.
+        /// </summary>
+        /// <typeparam name="T">The type of object to deserialize</typeparam>
+        /// <param name="toDeserialize">the xml string containing the object</param>
+        /// <returns>An object of the specified type</returns>
+        public static T Deserialize<T>(string toDeserialize)
+        {
+            XmlSerializer xmlSerializer = new XmlSerializer(typeof(T));
+            StringReader textReader = new StringReader(toDeserialize);
+            return (T)xmlSerializer.Deserialize(textReader);
+        }
+
         public static List<string> GetPuzzleTags()
         {
             BuilderWindow myWin = (BuilderWindow)Application.OpenForms["BuilderWindow"];

EduNetworkBuilder/NBSettings.cs

@@ -109,11 +109,6 @@ namespace EduNetworkBuilder
 
         public void MarkAsDone(string PuzzleName)
         {            
-            PersonClass PC = NB.GetUser();
-            if(PC != null)
-            {
-                PC.MarkAsDone(PuzzleName);  //Mark it on the user's personal settings.
-            }
             //we just mark it in the settings class
             if (!ScoreList.Contains(PuzzleName))
             {
@@ -124,11 +119,6 @@ namespace EduNetworkBuilder
 
         public bool CheckIfDone(string PuzzleName)
         {            
-            PersonClass PC = NB.GetUser();
-            if (PC != null)
-            {
-                return PC.CheckIfDone(PuzzleName);  //Mark it on the user's personal settings.
-            }
             //we just mark it in the settings class
             if (ScoreList.Contains(PuzzleName))
                 return true;

EduNetworkBuilder/NetworkBuilder.cs

@@ -535,7 +535,7 @@ namespace EduNetworkBuilder
             {
                 if ("Level_" + pi.Level.ToString() == LevelName)
                 {
-                    if (!OurSettings.ScoreList.Contains(pi.PuzzleName))
+                    if (!OurSettings.CheckIfDone(pi.PuzzleName))
                     {
                         return true; //We have one puzzle in the level which has not been solved
                     }

EduNetworkBuilder/PersonClass.cs

@@ -39,10 +39,13 @@ namespace EduNetworkBuilder
         /// <summary>
         /// EverCompletedPuzzles is a list of puzzles that they have completed once.
         /// </summary>
-        List<string> EverCompletedPuzzles = new List<string>();
 
         public List<SchoolworkClass> Projects = new List<SchoolworkClass>();
 
+        public NBSettings UserSettings = new NBSettings();
+
+
+
         private PersonClass()
         { }
 
@@ -121,8 +124,8 @@ namespace EduNetworkBuilder
                         case "password":
                             Passwords.Add(Individual.InnerText);
                             break;
-                        case "scorelist":
-                            EverCompletedPuzzles.Add(Individual.InnerText);
+                        case "settings":
+                            UserSettings = NB.Deserialize<NBSettings>(Individual.InnerText);
                             break;
                         case "project":
                         case "schoolwork":
@@ -171,10 +174,9 @@ namespace EduNetworkBuilder
             writer.WriteElementString("PasswordHint", PasswordHint);
             writer.WriteElementString("AltPassword", AltPassword);
             writer.WriteElementString("IsAdmin", isAdmin.ToString());
-            foreach(string one in EverCompletedPuzzles)
-            {
-                writer.WriteElementString("ScoreList", one);
-            }
+            string settingsstring = NB.SerializeObject<NBSettings>(UserSettings);
+            writer.WriteElementString("Settings", settingsstring);
+
             foreach(string One in Passwords)
                 writer.WriteElementString("Password", One);
             //Save all the devices
@@ -186,20 +188,5 @@ namespace EduNetworkBuilder
         }
         #endregion
 
-        public void MarkAsDone(string PuzzleName)
-        {
-            if (!EverCompletedPuzzles.Contains(PuzzleName))
-            {
-                EverCompletedPuzzles.Add(PuzzleName);
-            }
-        }
-
-        public bool CheckIfDone(string PuzzleName)
-        {
-            if (EverCompletedPuzzles.Contains(PuzzleName))
-                return true;
-            else
-                return false;
-        }
     }
 }