c# - Isolated Storage Settings In wp 8.1 -

what can in case :

"i want when close app save (visible textblock)"

private isolatedstoragesettings appsettings = isolatedstoragesettings.applicationsettings;        private void button_click(object sender, routedeventargs e)     {         appsettings["name"] = textblock.visibility;         textblock.visibility = visibility.visible;     } 

i use in windows phone 8.1 (silverlight)

in app.xaml.cs file need implement code in application_closing event retrieve visibility property page , save applicationsettings.

it's called tombstoning , documented part of windows phone application lifecycle.