// ##### MENU - XAP
public void Menu_Repack(object sender, RoutedEventArgs e)
{
SaveFileDialog sfd = new SaveFileDialog()
{
Title = "Repack XAP", Filter = "XAP File|*.xap|ZIP File|*.zip", FileName = System.IO.Path.GetFileName(xap.Source)
};
if ((bool)sfd.ShowDialog())
{
xap.Pack(sfd.FileName);
}
}