private void Button_start_Click(object sender, RoutedEventArgs e)
{
Info_train win = new Info_train(train, user);
win.Show();
MainTrainWin wind = (MainTrainWin)Window.GetWindow(this);
wind.Close();
}
private void Button_create_train(object sender, RoutedEventArgs e)
{
var win = new DoubleWin(user);
win.Choose_frame(1);
win.Show();
main_tr.Close();
this.Close();
}