public void DownloadFileAsync(Uri uri, string savePath, int segmentsCount)
{
st.Start();
if (segmentsCount < 1)
{
throw new ArgumentOutOfRangeException("segmentsCount");
}
int?size = GetFileSize(uri);
if (!size.HasValue)
{
segmentsCount = 1;
}
else if (size.Value < MIN_FILE_SIZE)
{
segmentsCount = 1;
}
_savePath = savePath;
using (File.Create(_savePath)) { }
_webClients = new List <RangeWebClient>();
for (int i = 0; i < segmentsCount; i++)
{
var client = new RangeWebClient();
if (segmentsCount > 1)
{
var range = GetRange(i, segmentsCount, size.Value);
client.From = range.Item1;
client.To = range.Item2;
}
client.DownloadProgressChanged += (s, e) => OnDownloadProgressChanged(e);
client.DownloadFileCompleted += client_DownloadFileCompleted;
client.Filename = Path.ChangeExtension(_savePath, Path.GetExtension(_savePath) + "." + i.ToString("D3"));
_webClients.Add(client);
}
_webClients.ForEach(client => client.DownloadFileAsync(uri));
}
public void DownloadFileAsync(Uri uri, string savePath, int segmentsCount = 1)
{
if (segmentsCount < 1)
throw new ArgumentOutOfRangeException("segmentsCount");
int? size = GetFileSize(uri);
if (!size.HasValue)
segmentsCount = 1;
else if (size.Value < MIN_FILE_SIZE)
segmentsCount = 1;
_savePath = savePath;
using (File.Create(_savePath))
{
// Create empty file to make sure that no write restrictions
}
_webClients = new List<RangeWebClient>();
for (int i = 0; i < segmentsCount; i++)
{
var client = new RangeWebClient();
if (segmentsCount > 1)
{
var range = GetRange(i, segmentsCount, size.Value);
client.From = range.Item1;
client.To = range.Item2;
}
client.DownloadProgressChanged += (s, e) => OnDownloadProgressChanged(e);
client.DownloadFileCompleted += client_DownloadFileCompleted;
client.Filename = Path.ChangeExtension(_savePath, Path.GetExtension(_savePath) + "." + i.ToString("D3"));
_webClients.Add(client);
}
_webClients.ForEach(client => client.DownloadFileAsync(uri));
}