Microsoft.Phone.Controls.ListPicker.OnUnloaded C# (CSharp) Méthode

        private void OnUnloaded(object sender, RoutedEventArgs e)
        {
            // Unhook any remaining event handlers
            if (null != _frame)
            {
                _frame.ManipulationStarted -= OnFrameManipulationStarted;
                _frame = null;
            }
        }