public void myf_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
DownLoadItem download_item = this.ctrl_download_list.Items[0] as DownLoadItem;
download_item.ctrl_download_speed.Content = String.Format("{0} MB/s", 0);
MessageBox.Show("下载文件成功");
}
public void NewDownLoadTask(object sender, newDownloadEventArgs uri_string)
{
if (mywebclient.IsBusy)
{
mywebclient.CancelAsync();
return;
}
Uri uri = new Uri(uri_string.download_uri);
HttpWebRequest webrequest = (HttpWebRequest)WebRequest.Create(uri);
HttpWebResponse webresponse = (HttpWebResponse)webrequest.GetResponse();
download_file_size = Math.Round(((double)webresponse.ContentLength) / (1024 * 1024), 2);
//MessageBox.Show(webresponse.ContentLength.ToString()); //获取下载文件的大小
//MessageBox.Show(webresponse.ContentType); //不知道什么意思
webresponse.Close();
mywebclient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(myf_DownloadProgressChanged);
mywebclient.DownloadFileCompleted += new AsyncCompletedEventHandler(myf_DownloadFileCompleted);
mywebclient.DownloadFileAsync(uri, uri_string.file_rename);
time_start = DateTime.Now.Second + DateTime.Now.Minute * 60 + DateTime.Now.Hour * 3600;
task_count++;
if (task_count > 0)
{
Cdownloaditem_info download_info = new Cdownloaditem_info()
{
file_name = "QQ.rar", file_size = (download_file_size.ToString() + " MB"), file_progress = 0, remain_time = "0:00:00", download_speed = "10KB/s"
};
DownLoadItem downloaditem = new DownLoadItem();
downloaditem.Downloaditem_info = download_info;
ctrl_download_list.Items.Add(downloaditem);
}
}
public void myf_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
//Cdownloaditem_info download_info = new Cdownloaditem_info(){file_name = "QQ.rar", file_size = "1MB", file_progress = 0, remain_time = "0:00:00", download_speed = "10KB/s" };
//download_info.file_progress = (uint)e.ProgressPercentage;
DownLoadItem download_item = this.ctrl_download_list.Items[0] as DownLoadItem;
download_item.ctrl_progress.Content = e.ProgressPercentage.ToString() + "%";
long time_now = DateTime.Now.Second + DateTime.Now.Minute * 60 + DateTime.Now.Hour * 3600;
double download_speed = download_file_size * e.ProgressPercentage / 100 / (time_now - time_start);
download_speed = Math.Round(download_speed, 2);
download_item.ctrl_download_speed.Content = download_speed.ToString() + " MB/s";
}
