private void open_classes_file() //reads the class names from a file, allowing the user to select a class from the combobox when creating an assignment
 {
     using (var file = new System.IO.StreamReader(@"saves\StudentClassInfo.txt"))
     {
         string line;
         string className;
         while ((line = file.ReadLine()) != null)
         {
             className = line;
             line      = file.ReadLine();
             line      = file.ReadLine();
             line      = file.ReadLine();
             line      = file.ReadLine();
             Classbox.Items.Add(className);
             MyClasses.Add(className);
         }
     }
 }
    public MainPage()
    {
        this.InitializeComponent();

        MyClasses.Add(new Items {
            Name = "Nico", Complete = false
        });
        MyClasses.Add(new Items {
            Name = "LIU", Complete = true
        });
        MyClasses.Add(new Items {
            Name = "He", Complete = true
        });
        MyClasses.Add(new Items {
            Name = "Wei", Complete = false
        });
        MyClasses.Add(new Items {
            Name = "Dong", Complete = true
        });
        MyClasses.Add(new Items {
            Name = "Ming", Complete = false
        });
    }