private void newsListBox_SelectedIndexChanged(object sender, EventArgs e)
{
string newUrl = dic2.ElementAt(newsListBox.SelectedIndex).Key;
RssWeb.Navigate(newUrl);
}
private void RssNewsList_AfterSelect(object sender, TreeViewEventArgs e)
{
newsUrl.Text = e.Node.Text;
RssWeb.Navigate(newsUrl.Text);
}
