ArcGISPortalViewer.Model.PortalService.SignOut C# (CSharp) Method

        public void SignOut()
        {
            IsSigningIn = true;

            try
            {
                ResetIdentityManager();

                //// reset it to anonymous access if possible                 
                //CurrentPortalService.Portal = await ArcGISPortal.CreateAsync(App.PortalUri.Uri);

                CurrentPortalService.Portal = null;
                CurrentPortalService.OrganizationName = CurrentPortalService.Portal != null ? CurrentPortalService.Portal.ArcGISPortalInfo.Name : "";
                CurrentPortalService.UserName = "";
                CurrentPortalService.Password = "";
                CurrentPortalService.CurrentUser = null;
                CurrentPortalService.OrganizationThumbnail = "";
                CurrentPortalService.OrganizationBanner = "";
            }
            catch { }

            //await InitializePortal();            
            IsSigningIn = false;
        }