getting ready to load homework

EduNetworkBuilder/NetworkBuilder.cs

@@ -1760,6 +1760,7 @@ namespace EduNetworkBuilder
                         MessageBox.Show(NB.Translate("NB_LoadUserFirst"));
                         return;
                     }
+                    //Here we would load a homework file
                 }
                 else
                 {

EduNetworkBuilder/PersonProfileForm.cs

@@ -853,9 +853,20 @@ namespace EduNetworkBuilder
                 index++;
             }
 
-            MessageBox.Show(HWClassList.Count.ToString() + " selected");
+            OpenFileDialog mydialog = new OpenFileDialog();
-            //Choose a file
+            mydialog.AddExtension = true;
+            //If we have a user loaded, we can open homework files
+            string filter = "EduNetworkBuilder Homework File (*.enbh)|*.enbh;";
+            mydialog.Filter = filter;
+            mydialog.Multiselect = false;
+            mydialog.ShowHelp = true;
+            mydialog.CheckFileExists = true;
+            mydialog.CheckPathExists = true;
+            DialogResult result = mydialog.ShowDialog();
+            if (result == System.Windows.Forms.DialogResult.Cancel) return;            //Choose a file
             //save that list in that file
+
+
         }
 
         private void btnReadAllStudentHomework_Click(object sender, EventArgs e)

EduNetworkBuilder/SchoolworkClass.cs

@@ -168,6 +168,27 @@ namespace EduNetworkBuilder
             writer.Close();
         }
 
+        public static void Save(List<SchoolworkClass> homeworks, string filename)
+        {
+            XmlWriterSettings settings = new XmlWriterSettings();
+            settings.Indent = true;
+            settings.NewLineOnAttributes = true;
+            XmlWriter writer = XmlWriter.Create(filename, settings);
+
+            //Now we write the file:
+            writer.WriteStartDocument();
+            writer.WriteStartElement("EduNetworkBuilderSchoolwork");
+            writer.WriteComment("This is a schoolwork file for EduNetworkBuilder.");
+            foreach (SchoolworkClass swc in homeworks)
+            {
+                swc.Save(writer);
+            }
+            writer.WriteEndElement();
+            writer.WriteEndDocument();
+            writer.Flush();
+            writer.Close();
+        }
+
         public void Save(XmlWriter writer)
         {
             //Save the language name