Problem In Inheritence

Question

Hello R/Sir

I asked a question yesterday and i got satisfactory answer, but now i have another problem, the problem is that i want to inherit a button to add new properties to it my code is as follows.

namespace newButton

{

    public partial class UserControl1 : Button

    {

        string myad;

        string arabicLang;

        public UserControl1()

        {

            InitializeComponent();

        }

        public string myvalue

        {

            get { return arabicLang; }

            set { arabicLang = value; }

        }

    }

}

now the problem is that the my value is visible in the properties panel when i add the button to the toolbox, but it is like a textbox and gets value from the keyboard, i want to make it like a combobox so that it show a list of values and user has to select from it. Please help me