/// <summary>
/// Checks if cancelled.
/// </summary>
private void CheckIfCancelled(long bytesReadSoFar = 0, long totalBytesToRead = 0)
{
if (!cancelAsync)
{
return;
}
var args = new WebRequestProgressCompletedEventArgs(null, true)
{
TimeStarted = transferStart,
TimeElapsed = DateTime.Now - transferStart,
};
if (bytesReadSoFar >= 0)
{
args.ProcessedBytes = bytesReadSoFar;
}
if (bytesReadSoFar >= 0)
{
args.TotalBytes = totalBytesToRead;
}
OnProgressFailed(args);
}
/// <summary>
/// Raises the <see cref="E:ProgressFailed" /> event.
/// </summary>
/// <param name="e">The <see cref="WebRequestProgressChangedEventArgs"/> instance containing the event data.</param>
protected virtual void OnProgressFailed(WebRequestProgressCompletedEventArgs e)
{
var handler = _progressFailed;
handler?.Invoke(this, e);
}