Right now purging data doesn't take long but when more data is present it will; users should not be allowed to interact with the application while that is going on.
It may be best to create a reusable work in progress/working control that mimics the one used when the settings app is loading.
It should support the following:
A loading circle control using Metro's ProgressRing.
Displaying bindable (and optional) text beneath the loading indicator.
Customizable background rectangle filling its space with an opacity.
Right now purging data doesn't take long but when more data is present it will; users should not be allowed to interact with the application while that is going on.
It may be best to create a reusable work in progress/working control that mimics the one used when the settings app is loading.
It should support the following: