+struct IInternetProtocol : public IInternetProtocolRoot
+{
+public:
+ virtual HRESULT WINAPI Read(void *pv,ULONG cb,ULONG *pcbRead) = 0;
+ virtual HRESULT WINAPI Seek(LARGE_INTEGER dlibMove,DWORD dwOrigin,
+ ULARGE_INTEGER *plibNewPosition) = 0;
+ virtual HRESULT WINAPI LockRequest(DWORD dwOptions) = 0;
+ virtual HRESULT WINAPI UnlockRequest(void) = 0;
+};
+
+struct IInternetSession : public IUnknown
+{
+ public:
+ virtual HRESULT WINAPI RegisterNameSpace(IClassFactory *pCF,REFCLSID rclsid,
+ LPCWSTR pwzProtocol,
+ ULONG cPatterns,
+ const LPCWSTR *ppwzPatterns,
+ DWORD dwReserved) = 0;
+ virtual HRESULT WINAPI UnregisterNameSpace(IClassFactory *pCF,
+ LPCWSTR pszProtocol) = 0;
+ virtual HRESULT WINAPI RegisterMimeFilter(IClassFactory *pCF,
+ REFCLSID rclsid,
+ LPCWSTR pwzType) = 0;
+ virtual HRESULT WINAPI UnregisterMimeFilter(IClassFactory *pCF,
+ LPCWSTR pwzType) = 0;
+ virtual HRESULT WINAPI CreateBinding(LPBC pBC,LPCWSTR szUrl,
+ IUnknown *pUnkOuter,IUnknown **ppUnk,
+ IInternetProtocol **ppOInetProt,
+ DWORD dwOption) = 0;
+ virtual HRESULT WINAPI SetSessionOption(DWORD dwOption,LPVOID pBuffer,
+ DWORD dwBufferLength,
+ DWORD dwReserved) = 0;
+ virtual HRESULT WINAPI GetSessionOption(DWORD dwOption,LPVOID pBuffer,
+ DWORD *pdwBufferLength,
+ DWORD dwReserved) = 0;
+};