private void Begin()
{
_webClient.DownloadFileCompleted += DownloadCompleted;
if (!ValidateUri(DownloadUri))
{
throw new DownloadException("The specified url cannot be found");
}
if (!String.IsNullOrEmpty(SaveFileAs))
{
ValidateSaveAs(SaveFileAs);
}
if (!Headless)
{
Show();
TopMost = true;
}
Text = String.Format("0% of {0} Completed", Path.GetFileName(DownloadUri.ToString()));
lblProgress.Text = "";
lblFileName.Text = String.Format("{0} from {1}", Path.GetFileName(DownloadUri.ToString()), PathName);
_webClient.DownloadProgressChanged += DownloadProgressChanged;
_webClient.DownloadFileCompleted -= DownloadComplete;
_webClient.DownloadFileCompleted += DownloadComplete;
progressBar1.Value = 0;
Log.Info("Download started");
_timer.Interval = 1000;
_timer.Tick += TimerTick;
_webClient.Proxy = null;
_webClient.DownloadFileAsync(DownloadUri, FileToSave, SaveFileAs);
_timer.Start();
}
public DownloadMessage(Uri uri, string targetPath, E_FileDisposition enumDisposition = E_FileDisposition.OverwriteAlways, int htmlDepth = 0)
{
ID = unchecked (Interlocked.Increment(ref RequestID));
DownloadUri = uri ?? throw new NullReferenceException("DownloadMessage requires non-null Uri"); // assume caller has lowercased strings
Url = DownloadUri.ToString(); // set alternate format as 1-off
var segs = uri.Segments; // split the url (except querystring)
TargetPath = (string.IsNullOrWhiteSpace(Path.GetFileNameWithoutExtension(targetPath)))
? Path.Combine(targetPath, segs[segs.Length - 1] + ".html") // default filename to final segment of Url
: targetPath;
EnumDisposition = enumDisposition;
HtmlDepth = htmlDepth;
}
private void DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
DownloadStatus = Status.Downloading;
DownloadSize = e.TotalBytesToReceive;
DataDownloaded = e.BytesReceived;
Text = String.Format("{0}% of {1} Completed", e.ProgressPercentage, Path.GetFileName(DownloadUri.ToString()));
progressBar1.Value = e.ProgressPercentage;
DownloadProgress = String.Format("{0} of {1}", Utils.BitsToString(Convert.ToInt32(e.BytesReceived)), Utils.BitsToString(Convert.ToInt32(e.TotalBytesToReceive)));
lblProgress.Text = String.Format("{0} at {1}", DownloadProgress, DownloadSpeedAsString);
lblFileName.Text = String.Format("{0} from {1}", Path.GetFileName(DownloadUri.ToString()), PathName);
}