#import "C:\Program Files\Common Files\System\ADO\MSADO15.DLL "
importlib( "C:\Program Files\Common Files\System\ADO\MSADO15.DLL ");
1. #import "C:\Program Files\Common Files\System\ADO\MSADO15.DLL "
生成c++代码,让c++编译器能识别ADO定定义的对象
2. importlib( "C:\Program Files\Common Files\System\ADO\MSADO15.DLL ");用在IDL中,
使IDL明白ado定义的接口等
少了1,C++的代码是编译不过的