kernel32.dll中的LoadLibrary函数在Asp Web应用程序中返回零

I'am going to use a kernel32 dll in asp.net web application. This is the code: //DllGetClassObject function pointer signature private delegate int DllGetClassObject(ref Guid ClassId, ref Guid InterfaceId, [Out, MarshalAs(UnmanagedType.Interface)] out object ppunk);I'am going to use a kernel32 dll in asp.net web