LoginEx.cs

        static void LoginEx()
        {
            var insightApi = new InsightApiClient();
            string login = "Administrator";
            string password = "password";
            Dictionary<string, string[]> parameters = new Dictionary<string, string[]>
                {
                    {"Login", new[] {login}},
                    { "Password", new[] {password}}
                };
            Guid sessionId = insightApi.LoginEx(parameters, null, EApplicationType.Admin);
            Console.WriteLine("Your Session Id is: {0:D}", sessionId);
        }