private void PopupToast(string strMainContent, string strButtonContent)
        {
            var toastContent = new ToastContent()
            {
                Visual = new ToastVisual()
                {
                    BindingGeneric = new ToastBindingGeneric()
                    {
                        Children =
                            {
                                new AdaptiveText()
                                {
                                    Text = strMainContent
                                },
                            },
                        //AppLogoOverride = new ToastGenericAppLogo()
                        //{
                        //    Source = "https://unsplash.it/64?image=1005",
                        //    HintCrop = ToastGenericAppLogoCrop.Circle
                        //}
                    }
                },
                Actions = new ToastActionsCustom()
                {
                    Buttons =
                        {
                            new ToastButton(strButtonContent, "None")
                            {
                                ActivationType = ToastActivationType.Foreground
                            }
                        }
                }
            };

            // Create the toast notification
            var toastNotif = new ToastNotification(toastContent.GetXml());

            // And send the notification
            ToastNotificationManager.CreateToastNotifier().Show(toastNotif);
        }