public void InvokeAsync()
{
var progressChangeInfo = new ProgressChangeInfo();
webclient = new System.Net.WebClient();
sw.Start();
webclient.DownloadFileCompleted += (s, e) => {
sw.Reset();
if (AsyncCompleted != null)
{
AsyncCompleted.Invoke(this, e);
}
};
webclient.DownloadProgressChanged += (s, e) => {
string value = string.Format("{0} kb/s", (e.BytesReceived / 1024d / sw.Elapsed.TotalSeconds).ToString("0.00"));
if (e.ProgressPercentage == 100)
{
sw.Reset();
}
if (AsyncProgressChanged != null)
{
progressChangeInfo.Percentage = e.ProgressPercentage;
progressChangeInfo.Speed = value;
AsyncProgressChanged.Invoke(this, progressChangeInfo);
}
};
webclient.DownloadFileAsync(uri, filePath);
}
/// <summary>
/// Raises the AsyncProgressChanged event.
/// </summary>
/// <param name="e"></param>
private void OnAsyncProgressChanged(ProgressEventArgs e)
{
AsyncProgressChanged?.Invoke(this, e);
}
