/// <summary>
/// 处理所有 HttpDownloadClients的 DownloadProgressChanged事件，并计算速度
/// </summary>
void client_DownloadProgressChanged(object sender, HttpDownloadClientProgressChangedEventArgs e)
{
lock (locker)
{
DownloadedSize += e.Size;
bufferCount++;
if (bufferCount == BufferCountPerNotification)
{
if (DownloadProgressChanged != null)
{
int speed = 0;
DateTime current = DateTime.Now;
TimeSpan interval = current - lastNotificationTime;
if (interval.TotalSeconds < 60)
{
speed = (int)Math.Floor((this.DownloadedSize -
this.lastNotificationDownloadedSize) / interval.TotalSeconds);
}
lastNotificationTime = current;
lastNotificationDownloadedSize = this.DownloadedSize;
var downloadProgressChangedEventArgs =
new MultiThreadedWebDownloaderProgressChangedEventArgs(
DownloadedSize, TotalSize, speed);
this.OnDownloadProgressChanged(downloadProgressChangedEventArgs);
}
//重新设置bufferCount.
bufferCount = 0;
}
}
}
/// <summary>
/// 引发 DownloadProgressChanged 事件。
/// </summary>
protected virtual void OnDownloadProgressChanged(HttpDownloadClientProgressChangedEventArgs e)
{
if (DownloadProgressChanged != null)
{
DownloadProgressChanged(this, e);
}
}
/// <summary>
/// 处理所有 HttpDownloadClients的 DownloadProgressChanged事件，并计算速度
/// </summary>
void client_DownloadProgressChanged(object sender, HttpDownloadClientProgressChangedEventArgs e)
{
lock (locker)
{
DownloadedSize += e.Size;
bufferCount++;
if (bufferCount == BufferCountPerNotification)
{
if (DownloadProgressChanged != null)
{
int speed = 0;
DateTime current = DateTime.Now;
TimeSpan interval = current - lastNotificationTime;
if (interval.TotalSeconds < 60)
{
speed = (int)Math.Floor((this.DownloadedSize -
this.lastNotificationDownloadedSize) / interval.TotalSeconds);
}
lastNotificationTime = current;
lastNotificationDownloadedSize = this.DownloadedSize;
var downloadProgressChangedEventArgs =
new MultiThreadedWebDownloaderProgressChangedEventArgs(
DownloadedSize, TotalSize, speed);
this.OnDownloadProgressChanged(downloadProgressChangedEventArgs);
}
//重新设置bufferCount.
bufferCount = 0;
}
}
}
/// <summary>
/// 引发 DownloadProgressChanged 事件。
/// </summary>
protected virtual void OnDownloadProgressChanged(HttpDownloadClientProgressChangedEventArgs e)
{
if (DownloadProgressChanged != null)
{
DownloadProgressChanged(this, e);
}
}