#### windows::random_access_handle_service::cancel

Cancel all asynchronous operations associated with the handle.

    asio::error_code cancel(
        implementation_type & impl,
        asio::error_code & ec);

| Copyright © 2003-2015 Christopher M. Kohlhoff Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)