private void transferDataTransferred(object sender, EventArgs e)
{
if (this.InvokeRequired)
{
DataTransferredEventHandler d = new DataTransferredEventHandler(transferDataTransferred);
this.Invoke(d, new object[] { sender, e });
}
else
{
TransferInfo transfer = (TransferInfo)sender;
progressBarTransfer.Maximum = (int)(transfer.TotalBytes / 1024);
progressBarTransfer.Value = (int)(transfer.BytesTransferred / 1024);
long bytesPerSec = transfer.TransferSpeed;
long secRemaining;
long avgTransferSpeed = 1000 * transfer.BytesTransferred / transfer.ElapsedMilliseconds;
if (avgTransferSpeed > 0)
{
secRemaining = (transfer.TotalBytes - transfer.BytesTransferred) / avgTransferSpeed;
}
else
{
secRemaining = 0;
}
TimeSpan timeRemaining = TimeSpan.FromSeconds((double)secRemaining);
labelTransferSpeed.Text = String.Format(new FileSizeFormatProvider(), "{0:fs}/s", bytesPerSec);
labelTransferTime.Text = String.Format("{0:c} remaining", timeRemaining);
}
}
public void FireDataTransferredEvent()
{
long byteThisInterval = BytesTransferred - _lastBytesTransferred;
long millis = _speedStopwatch.ElapsedMilliseconds - _lastMillis;
DataTransferredEventHandler handler = OnDataTransferred;
if (handler != null)
{
handler(this, new DataTransferredEventArgs(byteThisInterval, millis));
}
_lastBytesTransferred = BytesTransferred;
_lastMillis = _speedStopwatch.ElapsedMilliseconds;
if (millis > 0)
{
lock (_speedHistory)
{
_speedHistory.Enqueue(1000 * byteThisInterval / millis);
}
}
}