ChatterService.Web.ChatterProxyService.GetUserActivities C# (CSharp) Method

        public Activity[] GetUserActivities(string userId, string mode, int count)
        {
            try {
                ValidateSignature();
                bool includeUserActivities = mode.Equals("all", StringComparison.InvariantCultureIgnoreCase);

                ChatterSoapService soap = getChatterSoapService();
                var ssUserId = getSalesforceUserId(soap, userId);
                Activity[] result = soap.GetActivities(ssUserId, Int32.Parse(userId), includeUserActivities, count).ToArray();
                return result;
            }
            catch (Exception e)
            {
                HandleError(e, url);
                return null;
            }
        }