private: System::Void btnDelete_Click(System::Object^  sender, System::EventArgs^  e) 
		 {
		 
		   /*---Two ways to delete selected item from list box
                    the RemoveAt function uses the SelectedIndex Property to know which item to delete
                    The SelectedIndex is a Runtime Property Only.
        
             * lbProducts->Items->RemoveAt(lbProducts->SelectedIndex);
             */

            lbProducts->Items->Remove(lbProducts->SelectedItem);
		 }