/// <summary>
/// Executed when the Feedback Button is tapped from the Application bar. The app prepares the content and uses the default mail apps to give feedback.
/// </summary>
/// <param name="sender">Object Sender is a parameter called Sender that contains a reference to the control/object that raised the event.</param>
/// <param name="e">RoutedEventArgs e is a parameter called e that contains the event data, see the RoutedEventArgs MSDN page for more information.</param>
private void Feedback_Click(object sender, RoutedEventArgs e)
{
AppCommon.ComposeEmail();
}