public void AddCommand(DeleteWidgetInGroupSubCommand cmd)
{
if (cmd == null)
{
return;
}
_cmdList.Add(cmd);
}
public void Undo()
{
// Undo in the reverse order so that groups can be restore correctly
for (int i = _cmdList.Count - 1; i >= 0; i--)
{
DeleteWidgetInGroupSubCommand cmd = _cmdList[i];
cmd.Undo();
}
}