At Application level OnStart, OnSleep and OnResume methods can be used for saving data between user sessions.
At Page level, OnAppearing and OnDisappearing events, whoch are fired when a page is created or right before it is destroyed.
i.e.,
protected override void OnDisappearing()
{
}
At Page level, OnAppearing and OnDisappearing events, whoch are fired when a page is created or right before it is destroyed.
i.e.,
protected override void OnDisappearing()
{
}
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