private void NewMailAddress_KeyDown(object sender, KeyEventArgs e)
 {
     if (e.KeyCode == Keys.Escape)
     {
         NewMailAddress.Text = "Add new usually contact here...";
         MailList.Focus();
     }
     if (e.KeyCode == Keys.Enter)
     {
         CurrentMailAddress = NewMailAddress.Text;
         MailList.Focus();
         AddOptions_Click(sender, e);
     }
 }