public MlsHookup(object target, IViewMultiString accessor, int ws, MlsHookupAdapter propAdapter, IStringParaNotification para) : base(target, para) { MultiAccessor = accessor; m_ws = ws; MultiAccessor.StringChanged += MlsPropChanged; AddHook = propAdapter.AddHook; RemoveHook = propAdapter.RemoveHook; AddHook(this); }