[
  uuid(3473dd4d-2e88-4006-9cba-22570909dd10),
  version(5.1)
]
interface WINHTTP_AUTOPROXY_SERVICE
{
    typedef struct _SESSION_OPTIONS
    {
        unsigned int nResolveTimeout;
        unsigned int nConnectTimeout;
        unsigned int nConnectRetries;
        unsigned int nSendTimeout;
        unsigned int nReceiveTimeout;
    }SESSION_OPTIONS, *P_SESSION_OPTIONS;

    typedef struct _AUTOPROXY_OPTIONS
    {
        unsigned long       dwFlags;
        unsigned long       dwAutoDetectFlags;
        [string]
        const wchar_t*      lpszAutoConfigUrl;
        int*                lpvReserved;
        unsigned long       dwReserved;
        int                 fAutoLogonIfChallenged;
    }AUTOPROXY_OPTIONS, *P_AUTOPROXY_OPTIONS;

    typedef struct _AUTOPROXY_RESULT
    {
           unsigned long         dwAccessType;
        [string] wchar_t*        lpszProxy;
        [string] wchar_t*        lpszProxyBypass;
    }AUTOPROXY_RESULT, *P_AUTOPROXY_RESULT;

    int GetProxyForUrl([in]        handle_t             hBinding,
                 [in,string] const wchar_t*             pcwszUrl,
                        [in] const P_AUTOPROXY_OPTIONS  pAutoProxyOptions,
                        [in] const P_SESSION_OPTIONS    pSessionOptions,
                    [in,out]       P_AUTOPROXY_RESULT   pAutoProxyResult,
                    [in,out]       unsigned long*       pdwLastError
    );
}