OCX控件避免d出安全警告的类

1.要加一个头文件:
         #include <objsafe.h>

2.在控件头文件中加入:

1 DECLARE_INTERFACE_MAP()
2     BEGIN_INTERFACE_PART(ObjectSafety, IObjectSafety)
3         STDMETHOD(GetInterfaceSafetyOptions)(REFIID riid, DWORD __RPC_FAR *pdwSupportedOptions, DWORD __RPC_FAR *pdwEnabledOptions);
4         STDMETHOD(SetInterfaceSafetyOptions)(REFIID riid, DWORD dwOptionSetMask, DWORD dwEnabledOptions);
5     END_INTERFACE_PART(ObjectSafety)