/// <summary>
/// Gets the page ranges impl.
/// </summary>
/// <param name="options">An object that specifies any additional options for the request.</param>
/// <param name="setResult">The set result.</param>
/// <returns>A <see cref="TaskSequence"/> for getting the page ranges.</returns>
private TaskSequence GetPageRangesImpl(BlobRequestOptions options, Action <IEnumerable <PageRange> > setResult)
{
CommonUtils.AssertNotNull("options", options);
var webRequest = ProtocolHelper.GetWebRequest(this.ServiceClient, options, (timeout) => BlobRequest.GetPageRanges(this.TransformedAddress, timeout, this.SnapshotTime, null));
BlobRequest.AddMetadata(webRequest, this.Metadata);
this.ServiceClient.Credentials.SignRequest(webRequest);
var task = webRequest.GetResponseAsyncWithTimeout(this.ServiceClient, options.Timeout);
yield return(task);
using (var webResponse = task.Result as HttpWebResponse)
{
var getPageRangesResponse = BlobResponse.GetPageRanges(webResponse);
List <PageRange> pageRanges = new List <PageRange>();
// materialize response as we need to close the webResponse
pageRanges.AddRange(getPageRangesResponse.PageRanges.ToList());
setResult(pageRanges);
this.ParseSizeAndLastModified(webResponse);
}
}