//QueryInterface的实现#include <objbase.h>#include <unknwn.h>#include <iostream>using namespace std;interface IX:IUnknown 相关文章： 2021-07-04 2021-06-04 2021-11-18 2022-02-15 2021-08-01 2021-07-29 2021-08-13 2021-12-17