private void btn_regresarUsuario(object sender, RoutedEventArgs e)
 {
     MantoEmpresa _menuEmpresa = new MantoEmpresa();
     _menuEmpresa.InitializeComponent();
     this.Close();
     _menuEmpresa.ShowDialog();
 }
 private void MenuBuscarEmpresa_Click_1(object sender, RoutedEventArgs e)
 {
     MantoEmpresa _menuEmpresa = new MantoEmpresa();
     _menuEmpresa.InitializeComponent();
     this.Close();
     _menuEmpresa.ShowDialog();
 }
 private void menu_MantoEmpresa_MouseDown(object sender, MouseButtonEventArgs e)
 {
     MantoEmpresa _menuEmpresa = new MantoEmpresa();
     _menuEmpresa.InitializeComponent();
     this.Close();
     _menuEmpresa.ShowDialog();
 }