DeploymentTracker.App.Windows.PackageDeployment.LoadSubscriptionsDetails C# (CSharp) Method

        private void LoadSubscriptionsDetails()
        {
            this.Invoke((MethodInvoker)delegate
            {
                // File is not more than 10kb.
                using (WaitingDialog waitingDialog = new WaitingDialog("Please wait while we get subscription details"))
                {
                    waitingDialog.ShowInTaskbar = false;
                    waitingDialog.StartPosition = FormStartPosition.CenterParent;
                    try
                    {
                        this.Enabled = false;
                        if (cbxSubscriptions.SelectedValue != null)
                        {
                            string selectedItem = cbxSubscriptions.SelectedValue.ToString();

                            // Some fix to overcome anonymous object
                            string subscriptionID = selectedItem.Split(' ').Count() > 1 ? selectedItem.Split(' ')[3].Trim(' ', ',') : selectedItem;

                            Dictionary<string, string> locations = null;
                            List<string> hostedServices = null;
                            List<string> storageNames = null;
                            do
                            {
                                waitingDialog.ShowDialog(this);
                                locations = CloudDeploymentTasks.ListLocationsForSubscription(subscriptionID, new X509Certificate2(Convert.FromBase64String(this.managementCertificateBase64)), "2011-10-01");
                                if (locations != null)
                                {
                                    this.cbxLocations.DataSource = locations.ToList();
                                    this.cbxLocations.DisplayMember = "value";
                                    this.cbxLocations.ValueMember = "key";
                                }

                                hostedServices = CloudDeploymentTasks.ListHostedServicesForSubscription(subscriptionID, new X509Certificate2(Convert.FromBase64String(this.managementCertificateBase64)), "2011-10-01");
                                if (hostedServices != null)
                                {
                                    this.cbxHostedNames.DataSource = hostedServices;
                                    this.cbxHostedNames.SelectedIndex = -1;
                                }

                                storageNames = CloudDeploymentTasks.ListStorageAccountsForSubscription(subscriptionID, new X509Certificate2(Convert.FromBase64String(this.managementCertificateBase64)), "2011-10-01");
                                if (storageNames != null)
                                {
                                    this.cbxStorageNames.DataSource = storageNames;
                                    this.cbxStorageNames.SelectedIndex = -1;
                                }
                            }
                            while (locations == null && hostedServices == null && storageNames == null);
                        }
                    }
                    finally
                    {
                        this.Enabled = true;
                    }
                }
            });
        }