private void MoveDown_Click(object sender, RoutedEventArgs e)
{
if (Combatants.Count < 2)
{
return;
}
if (CombatantList.SelectedIndex >= Combatants.Count - 1)
{
return;
}
Combatants = (ObservableCollection <DD4ECombatant>)Combatants.MoveDown(CombatantList.SelectedIndex);
}