/// <summary>
/// Exit button logic
/// </summary>
/// <param name="sender">The source of the event</param>
/// <param name="e">The instance containing the event data</param>
private void Exit_Button_Click(object sender, RoutedEventArgs e)
{
if (LibraryModel.AreItemsRemoved() || LibraryModel.AreItemsUpdated())
{
if (MessageBox.Show("All unsaved changes will be lost. Are you sure you want to exit?", "Exit Program", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
LibraryModel.ChangesSaved();
Close();
}
}
else
{
Close();
}
}