public void Clear()
{
Past.Clear();
Future.Clear();
_history.Clear();
_future.Clear();
CanUndo = false;
CanRedo = false;
}
public void AddHandler(HistoryHandler handler)
{
handler.ActionPush += (sender, action) => {
if (!_acceptNew)
{
return;
}
_history.Push(action);
Past.Add(action);
_future.Clear();
Future.Clear();
CanRedo = false;
CanUndo = true;
};
}