private void OverflowToPersistentStream()
{
Stream persistentStream = CreatePersistentStream(_forAsync);
persistentStream.SetLength(UnderlyingStream.Length);
UnderlyingStream.Position = 0;
UnderlyingStream.CopyTo(persistentStream);
UnderlyingStream = persistentStream;
_isInMemory = false;
}
public object Clone()
{
Stream clonedStream;
if (_isInMemory)
{
clonedStream = new MemoryStream((int)UnderlyingStream.Length);
}
else
{
clonedStream = CreatePersistentStream(_forAsync);
clonedStream.SetLength(this.Length);
}
UnderlyingStream.CopyTo(clonedStream);
clonedStream.Position = 0L;
return(new VirtualStream(_threshholdSize, _memoryStatus, clonedStream, _forAsync));
}