private void AddModifierButton_Click(object sender, RoutedEventArgs e)
 {
     int amount;
     if (DescriptionBox.Text.Length > 0 && Int32.TryParse(AmountBox.Text, out amount))
     {
         Modifier i = new Modifier(amount,DescriptionBox.Text);
         ModifiersListBox.Items.Add(i);
     }
 }
        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            ModifiersListBox = AttackModifiersListBox;
            FileInfo fi = new FileInfo("save.txt");
            if (fi.Exists)
            {
                LoadData(fi);
            }
            else
            {
                Modifier i = new Modifier(5, "Strength Modifier");
                ModifiersListBox.Items.Add(i);
                i = new Modifier(3, "Proficiency Bonus");
                ModifiersListBox.Items.Add(i);
            }

            tabControl1.SelectionChanged += new SelectionChangedEventHandler(tabControl1_SelectionChanged);
            ModifiersListBox.SelectionChanged += new SelectionChangedEventHandler(ModifiersListBox_SelectionChanged);
            AttackModifiersListBox.MouseDoubleClick += new MouseButtonEventHandler(ModifiersListBox_MouseDoubleClick);
            DamageModifiersListBox.MouseDoubleClick += new MouseButtonEventHandler(ModifiersListBox_MouseDoubleClick);

            changed = new List<SimpleModifierTracker.Modifier>();

            CalculateMod();
        }