private void Downloader_DownloadCompleted(object sender, DownloadCompletedEventArgs e)
{
if (e.Completed == true)
{
lblStatus.Text = "Status : Download Completed";
}
else if (e.Aborted == true)
{
lblStatus.Text = "Status : Download Aborted";
}
btnStart.Enabled = true;
btnPauseResume.Enabled = false;
btnPauseResume.Text = "Pause";
btnAbort.Enabled = false;
}
private void Download(object _StartPoint)
{
try
{
try
{
long _StartPointInt = Convert.ToInt64(_StartPoint);
_WbRequest = (HttpWebRequest)WebRequest.Create(_FileURL);
_WbRequest.AddRange(_StartPointInt);
_WbRequest.Credentials = CredentialCache.DefaultCredentials;
_WbResponse = (HttpWebResponse)_WbRequest.GetResponse();
long _FileSize = _WbResponse.ContentLength;
_StrResponse = _WbResponse.GetResponseStream();
if (_StartPointInt == 0)
{
_StrLocal = new FileStream(_FilePath, FileMode.Create, FileAccess.Write, FileShare.None);
}
else
{
_StrLocal = new FileStream(_FilePath, FileMode.Append, FileAccess.Write, FileShare.None);
}
byte[] _BufferSize = new byte[2048];
int _BytesSize = 0;
while ((_BytesSize = _StrResponse.Read(_BufferSize, 0, _BufferSize.Length)) > 0)
{
_StrLocal.Write(_BufferSize, 0, _BytesSize);
UpdateProgress(_StrLocal.Length, _FileSize + _StartPointInt);
if (_IsPaused == true)
{
break;
}
}
}
finally
{
_StrResponse.Close();
_StrLocal.Close();
_IsPaused = false;
_IsRunning = false;
_Completed = true;
_Aborted = false;
DownloadCompletedEventArgs NewArgs = new DownloadCompletedEventArgs(_Completed, _Aborted);
DownloadCompleted(this, NewArgs);
}
}
catch { }
}
public void Abort()
{
_WbResponse.Close();
_StrResponse.Close();
_StrLocal.Close();
_TmrUpdate.Stop();
_IsPaused = false;
_IsRunning = false;
_Completed = false;
_Aborted = true;
DownloadCompletedEventArgs NewArgs = new DownloadCompletedEventArgs(_Completed, _Aborted);
DownloadCompleted(this, NewArgs);
}