private void Button1_Click(object sender, EventArgs e) { Random t_RandomNum = new Random(); var num = t_RandomNum.Next(2, 3); num = 2; var t = ItemFactory.CreateItem(num); Console.WriteLine(num); PlayerBag.AddItem(t, 20); listBox1.Items.Clear(); for (int i = 0; i < PlayerBag.GetKnapsackCount(); i++) { listBox1.Items.Add($"{PlayerBag.GetItem(i).inside_item_data.item_name} *{PlayerBag.GetItem(i).inside_item_quantity}"); } }