public void grabItem(Items i)
 {
     if (i.Weight + weight < capacity) { itemContainer.Add(i); }
     else
     {
         System.Windows.Forms.MessageBox.Show("You cannot carry any more","Capacity exceeded");
     }
 }
 public void throwItem(Items id)
 {
     itemContainer.Remove(id);
     weight -= id.Weight;
 }