private void vratiNaKorak2()
{
Keyboard.ClearFocus();
BackStepMenuItem.IsEnabled = true;
NextStepMenuItem.IsEnabled = false;
Korak2Softver.Focus();
}
public void nextClick(object sender, RoutedEventArgs e)
{
NextStepMenuItem.IsEnabled = false;
BackStepMenuItem.IsEnabled = true;
Korak2Softver.Focus();
}