private void SaveTemplateAppBarButton_Click(object sender, RoutedEventArgs e)
 {
     if (ViewModel.ValidateMessageText())
     {
         SaveTemplateFlyout.ShowAt(SaveTemplateAppBarButton);
     }
 }
        private void SaveTemplate_Click(object sender, RoutedEventArgs e)
        {
            var db = (App.Current as App).dbContext;

            if (ViewModel.ValidateMessageText() &&
                !string.IsNullOrEmpty(TemplateName.Text))
            {
                db.Templates.Add(new Model.Template()
                {
                    Name = TemplateName.Text,
                    Text = ViewModel.MessageText
                });
                db.SaveChanges();
                SaveTemplateFlyout.Hide();
            }
        }
 private void CancelSaveTemplate_Click(object sender, RoutedEventArgs e)
 {
     SaveTemplateFlyout.Hide();
 }