private async void requirementList_DoubleTapped(object sender, DoubleTappedRoutedEventArgs e)
{
ListView listView = sender as ListView;
if (null == listView)
{
return;
}
long requirementId = (listView.SelectedItem as RequirementsAPI).id;
RequirementAPI requirement = await Requirement.Get(requirementId);
((Frame)Parent).Navigate(
typeof(Requirements.RequirementEdit),
requirement,
new Windows.UI.Xaml.Media.Animation.DrillInNavigationTransitionInfo());
}