public PageBlobReadStream(CloudPageBlob blob)
{
_blob = blob;
if (!_blob.Exists())
throw new ArgumentException();
_reader = new BinaryReader(_blob.OpenRead());
}
public PageBlobAppendStream(CloudPageBlob blob)
{
_blob = blob;
if (blob == null)
throw new ArgumentNullException("blob");
_reader = new BinaryReader(_blob.OpenRead());
if (!blob.Exists())
{
_blob.Create(0);
_lastPageIndex = -1;
return;
}
_blobLength = _blob.Properties.Length;
_lastPageIndex = (_blobLength / PageSize) - 1;
}