private void FormUpdate_Load(object sender, EventArgs e)
{
try
{
FilmUpdate fu = new FilmUpdate();
foreach (FieldInfo fi in fu.GetType().GetFields())
{
this.listView1.Columns.Add(fi.Name, -2, HorizontalAlignment.Left); //一步添加
}
listView1.KeyDown += listView1_KeyDown;
//XmlHelper xml = new XmlHelper(path);
//DataTable dtList = xml.GetData(rootNodeName);'
FileStream fs = new FileStream(path, FileMode.Open);
films = XmlHelper.Deserialize(typeof(List <FilmUpdate>), fs) as List <FilmUpdate>;
fs.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public void CheckFilmState(object film)
{
try
{
FilmUpdate curFilm = (FilmUpdate)film;
sem.WaitOne();
var request = (HttpWebRequest)WebRequest.Create(curFilm.Url);
request.Timeout = 1000 * 5;
var response = (HttpWebResponse)request.GetResponse();
Stream stream = response.GetResponseStream();
StreamReader sr = new StreamReader(stream, Encoding.GetEncoding("GB2312"));
string content = sr.ReadToEnd();
StringBuilder sb = GetFilmUpdateInfo(content);
curFilm.UpdateState = sb.ToString();
curFilm.CountWaitDownload = int.Parse(new Regex(@"\d+").Match(sb.ToString()).Value) - curFilm.CountDownloaded;
//UpdateListview();
UpdateListview(curFilm);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
sem.Release();
}
}
public void UpdateListview(FilmUpdate film)
{
if (listView1.InvokeRequired)
{
listView1.Invoke(new Action <FilmUpdate>(UpdateListview), new object[] { film });
}
else
{
listView1.BeginUpdate();
ListViewItem lvi = new ListViewItem();
foreach (FieldInfo fi in film.GetType().GetFields())
{
if (fi.Name == "Name")
{
lvi.Text = fi.GetValue(film).ToString();
}
else
{
lvi.SubItems.Add(fi.GetValue(film).ToString());
if (fi.Name == "CountWaitDownload" && ((int)fi.GetValue(film)) > 0)
{
lvi.BackColor = Color.LightPink;
}
}
}
listView1.Items.Add(lvi);
listView1.EndUpdate();
for (int i = 0; i < listView1.Columns.Count; i++)
{
listView1.Columns[i].Width = -1;
}
}
}
