Sample method

gistfile1.cs

/// <summary>
        /// Asynchronously performs a command on the resource with the specified <paramref name="uri" />.
        /// </summary>
        /// <param name="verb">The HTTP verb of the request.</param>
        /// <param name="uri">The URI to get.</param>
        /// <param name="body">The body.</param>
        /// <param name="headers">Headers to set in the outgoing request.</param>
        /// <param name="identity">The identity of the user.</param>
        /// <param name="cancellationToken">The optional token to monitor for cancellation requests.</param>
        /// <returns>A <see cref="Task{TResult}"/> whose result yields the resource of the specific <paramref name="uri"/>.</returns>
        Task<string> SendAndGetStringResponseAsync(HttpMethod verb, Uri uri, object body, IDictionary<string, string> headers, WindowsIdentity identity = null, CancellationToken cancellationToken = default(CancellationToken));