public void Do(IModify modify)
{
modify.Execute();
unDoModifies.Add(modify);
if (unDoModifies.Count > 100)
{
unDoModifies.RemoveAt(0);
}
}
public IModify ReDo()
{
if (reDoModifies.Count > 0)
{
IModify modify = reDoModifies[reDoModifies.Count - 1];
reDoModifies.Remove(modify);
modify.Execute();
unDoModifies.Add(modify);
if (unDoModifies.Count > 100)
{
unDoModifies.RemoveAt(0);
}
return(modify);
}
return(null);
}