这是C++builder帮助的一段话,如何理解
C++Builder can't create CoClasses with dispatch interfaces that are not dual interfaces. This is because its COM support rests on the ATL, which does not support non-dual dispatch interfaces.
C++Builder can't create CoClasses with dispatch interfaces that are not dual interfaces. This is because its COM support rests on the ATL, which does not support non-dual dispatch interfaces.
我觉得这没什么影响，一般创建Dispatch接口没有理由不让它成为双接口，没有必要强迫象C++这样支持指针的语言非用效率不高的Dispatch接口。