public void DownloadProgressChanged(object sender, DownloadEventArgs e)
{
if (_lastTime.AddSeconds(1) <= DateTime.UtcNow)
{
_downloadSpeed = (int)((e.CurrentFileSize - _lastSize) / (DateTime.UtcNow - _lastTime).TotalSeconds);
if (_downloadSpeed < 0)
{
_downloadSpeed = 0;
}
_lastSize = e.CurrentFileSize;
_lastTime = DateTime.UtcNow;
}
Dispatcher.Invoke(() =>
{
DownloadSpeed.text = FormatUtility.FormatSizeBinary(_downloadSpeed, 2) + "/s";;
});
}
