public FileDownloader(Uri url)
{
Url = url;
_client.DownloadProgressChanged += (sender, args) =>
{
// calculate percentage
var bytesIn = double.Parse(args.BytesReceived.ToString());
var totalBytes = double.Parse(args.TotalBytesToReceive.ToString());
var percentage = bytesIn / totalBytes * 100;
var evArgs = new ProgressChangedEventArgs(int.Parse(Math.Truncate(percentage).ToString()));
// notify subscribers about progress
OnProgressChanged(evArgs);
};
_client.DownloadFileCompleted += (sender, args) =>
{
OnFileDownloadCompleted(new FileDownloadCompletedEventArgs());
};
}
protected virtual void OnProgressChanged(ProgressChangedEventArgs e)
{
if (ProgressChanged != null)
ProgressChanged(this, e);
}
private void OnProgressChanged(ProgressChangedEventArgs e)
{
if (ProgressChanged != null)
ProgressChanged(null, e);
}
