private async void SetVariable(string VarName, int Value)
        {
            string RestUrl = ApiUrl + @"variables/ByName/" + VarName;

            VarValue value = new VarValue();

            value.Token  = ApiToken;
            value.Value  = Value;
            value.Name   = VarName;
            value.Parent = String.Empty;

            // Serialize our concrete class into a JSON String
            var stringValue = JsonConvert.SerializeObject(value);

            var httpContent = new StringContent(stringValue, Encoding.UTF8, "application/json");

            var httpResponse = await this.httpClient.PutAsync(RestUrl, httpContent);

            httpResponse.EnsureSuccessStatusCode();

            // If the response contains content we want to read it!
            if (httpResponse.Content != null)
            {
                var responseContent = await httpResponse.Content.ReadAsStringAsync();

                // From here on you could deserialize the ResponseContent back again to a concrete C# type using Json.Net
            }
        }
        private async void SetVariable(string VarName, int Value)
        {
            if (string.IsNullOrEmpty(VarName))
            {
                this.AppController.TrackAppEvent("Error: trying set room status for null or empty room reference");
                return;
            }

            try
            {
                string RestUrl = ApiUrl + @"variables/ByName/" + VarName;

                this.AppController.TrackAppEvent("Http call " + RestUrl);

                VarValue value = new VarValue();
                value.Token  = ApiToken;
                value.Value  = Value;
                value.Name   = VarName;
                value.Parent = String.Empty;

                // Serialize our concrete class into a JSON String
                var stringValue = JsonConvert.SerializeObject(value);

                var httpContent = new StringContent(stringValue, Encoding.UTF8, "application/json");


                await httpClient.PutAsync(RestUrl, httpContent)
                .ContinueWith(task =>
                {
                    if (task.Status != TaskStatus.RanToCompletion)
                    {
                        this.AppController.TrackAppEvent(String.Format("Error Http request {0} task status {1}", RestUrl, task.Status));
                    }
                    else
                    {
                        var respMsg = task.Result;
                        // If request faild - log this
                        if (respMsg != null && !respMsg.IsSuccessStatusCode)
                        {
                            this.AppController.TrackAppEvent("Http req. " + RestUrl + " error: " + respMsg.StatusCode);
                        }
                    }
                });
            }
            catch (Exception ex)
            {
                this.AppController.TrackAppException(ex);
            }
        }