/// <summary>Creates a new cursor for queue represented by the <paramref name="reader"/>.</summary>
public QueueCursor(QueueReader reader)
{
Contract.Requires(reader != null);
_reader = reader;
int res = Native.CreateCursor(reader._handle, out _cursorHandle);
if (Native.IsError(res))
{
throw new QueueException(res);
}
}
