C#

private void Delete_Click(object sender, EventArgs e)
       {
           RegistryKey key = Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Internet Explorer\\TypedURLs", true);
           string[] v = key.GetValueNames();
           string[] t = new string[v.Length];
           int count = checkedListBox1.Items.Count;
           for (int i = 0; i < v.Length - 1; i--)
           {
               t[i] = (string)key.GetValue(v[i]);
               if(t[i] == (string)checkedListBox1.SelectedItem)
               {
                   key.DeleteValue(t[i]);
               }

           }

           for ( int i = count; i > 0; i--)
           {
               if (checkedListBox1.CheckedItems.Contains(checkedListBox1.Items[i - 1]))
               {

                   checkedListBox1.Items.RemoveAt(i - 1);
               }
           }