COM组件接口方法参数的数据类型的选择

A Choice to Data Type of Parameters in Interface Method of COM Component

论述了在用 Visual C+ +建造 COM组件时 ,如何选择接口方法参数的数据类型的问题。结合客户程序是 ASP应用程序的情景 ,讨论利用 Visual C+ +和 ATL ,如何在组件程序的一端选择相应的数据类型。

This paper discusses how to choose the right data type of parameters in interface method of COM component built by Visual C++,expounds how to determine theses data types in the server program by Visual C++ and ATL as ASP application program is used as client program.