IConnectionPointContainer on the connectable object IConnectionPoint on the connection point object IEnumConnectionPoints on an enumerator object IEnumConnections on an enumerator object是什麼意思_IConnectionPointContainer on the connectable object IConnectionPoint on the connection point object IEnumConnectionPoints on an enumerator object IEnumConnections on an enumerator object在線翻譯_英語_讀音_用法_例句