select an radlistbox item by right click the mouse

[Mohan]

Hi ,
          I am using rad listbox for display the data and having context menu by right click the listbox.
I am having problem in selected item by right click(not selected if any other item by right clicking).
please give solution for this.

[Mohan]

private void radListBox1_MouseDown(object sender, MouseEventArgs e)

      {

          if (e.Button == MouseButtons.Right)

          {

              RadElement clickedItem = radListControl2.ElementTree.GetElementAtPoint(e.Location) as RadElement;

              if (clickedItem != null)

              {

                  RadListBoxItem dataItem = clickedItem as RadListBoxItem;

                  MessageBox.Show("Right Clicked " + dataItem.Text);

              }

          }

      }