public override void Pause()
{
if (State != DownloadState.Downloading)
{
return;
}
//临时文件统一删除，由于无法获得文件大小，每次下载都是一次性的
Message.TempFilePath = "";
if (client != null)
{
client.CancelAsync();
client.Dispose();
client = null;
}
if (speedHelper != null)
{
speedHelper.Dispose();
speedHelper = null;
}
_prog_.AverageSpeed = _prog_.Speed = _prog_.CurrentValue = 0;
DownloadProgressChanged(_prog_);
State = DownloadState.Pause;
}
private void DisposeSpeedHelper()
{
if (speedHelper == null)
{
return;
}
speedHelper.IsEnabled = false;
speedHelper.Dispose();
speedHelper = null;
}
public override void Dispose()
{
if (State == DownloadState.Disposed)
{
return;
}
DisposeThreads();
speedHelper.IsEnabled = false;
speedHelper.Dispose();
speedHelper = null;
StartDisposeTemporaryFile();
State = DownloadState.Disposed;
}
