1

我编写了一个 SOAP Web 服务，我试图从 MFC 应用程序中使用它。MFC 应用程序不是使用 ActiveX 控件支持或自动化生成的。当我从 Vista 或 Win7 运行 MFC 应用程序时，访问 Web 服务没有问题。当我从 XP (SP3) 运行 MFC 应用程序时，Web 服务调用失败并显示0x800401F0 CO_E_NOTINITIALIZED“尚未调用 CoInitialize”。调用CoInitialize(NULL)修复了 XP 问题。

在这种情况下，为什么 XP 中的 MFC 应用程序的行为与 Vista/Win7 不同？

EDIT2：添加了自动生成的 Web 服务访问代码

net_webservicexwww.h

//
// sproxy.exe generated file
// do not modify this file
//
// Created: 08/15/2013@13:09:29
//

#pragma once


#if !defined(_WIN32_WINDOWS) && !defined(_WIN32_WINNT) && !defined(_WIN32_WCE)
#pragma message("warning: defining _WIN32_WINDOWS = 0x0410")
#define _WIN32_WINDOWS 0x0410
#endif

#include <atlsoap.h>

namespace USZip
{

template <typename TClient = CSoapSocketClientT<> >
class CUSZipT : 
    public TClient, 
    public CSoapRootHandler
{
protected:

    const _soapmap ** GetFunctionMap();
    const _soapmap ** GetHeaderMap();
    void * GetHeaderValue();
    const wchar_t * GetNamespaceUri();
    const char * GetServiceName();
    const char * GetNamespaceUriA();
    HRESULT CallFunction(
        void *pvParam, 
        const wchar_t *wszLocalName, int cchLocalName,
        size_t nItem);
    HRESULT GetClientReader(ISAXXMLReader **ppReader);

public:

    HRESULT __stdcall QueryInterface(REFIID riid, void **ppv)
    {
        if (ppv == NULL)
        {
            return E_POINTER;
        }

        *ppv = NULL;

        if (InlineIsEqualGUID(riid, IID_IUnknown) ||
            InlineIsEqualGUID(riid, IID_ISAXContentHandler))
        {
            *ppv = static_cast<ISAXContentHandler *>(this);
            return S_OK;
        }

        return E_NOINTERFACE;
    }

    ULONG __stdcall AddRef()
    {
        return 1;
    }

    ULONG __stdcall Release()
    {
        return 1;
    }

    CUSZipT(ISAXXMLReader *pReader = NULL)
        :TClient(_T("http://www.webservicex.net/uszip.asmx"))
    {
        SetClient(true);
        SetReader(pReader);
    }

    ~CUSZipT()
    {
        Uninitialize();
    }

    void Uninitialize()
    {
        UninitializeSOAP();
    }   

    HRESULT GetInfoByAreaCode(
        BSTR USAreaCode, 
        BSTR* GetInfoByAreaCodeResult
    );

    HRESULT GetInfoByCity(
        BSTR USCity, 
        BSTR* GetInfoByCityResult
    );

    HRESULT GetInfoByState(
        BSTR USState, 
        BSTR* GetInfoByStateResult
    );

    HRESULT GetInfoByZIP(
        BSTR USZip, 
        BSTR* GetInfoByZIPResult
    );
};

typedef CUSZipT<> CUSZip;

struct __CUSZip_GetInfoByAreaCode_struct
{
    BSTR USAreaCode;
    BSTR GetInfoByAreaCodeResult;
};

extern __declspec(selectany) const _soapmapentry __CUSZip_GetInfoByAreaCode_entries[] =
{

    {
        0x529BE19C, 
        "USAreaCode", 
        L"USAreaCode", 
        sizeof("USAreaCode")-1, 
        SOAPTYPE_STRING, 
        SOAPFLAG_NONE | SOAPFLAG_IN | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL | SOAPFLAG_NULLABLE,
        offsetof(__CUSZip_GetInfoByAreaCode_struct, USAreaCode),
        NULL,
        NULL,
        -1,
    },
    {
        0xCB1A9C5A, 
        "GetInfoByAreaCodeResult", 
        L"GetInfoByAreaCodeResult", 
        sizeof("GetInfoByAreaCodeResult")-1, 
        SOAPTYPE_STRING, 
        SOAPFLAG_NONE | SOAPFLAG_OUT | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL | SOAPFLAG_NULLABLE,
        offsetof(__CUSZip_GetInfoByAreaCode_struct, GetInfoByAreaCodeResult),
        NULL,
        NULL,
        -1,
    },
    { 0x00000000 }
};

extern __declspec(selectany) const _soapmap __CUSZip_GetInfoByAreaCode_map =
{
    0xFBDA3B2A,
    "GetInfoByAreaCode",
    L"GetInfoByAreaCodeResponse",
    sizeof("GetInfoByAreaCode")-1,
    sizeof("GetInfoByAreaCodeResponse")-1,
    SOAPMAP_FUNC,
    __CUSZip_GetInfoByAreaCode_entries,
    sizeof(__CUSZip_GetInfoByAreaCode_struct),
    1,
    -1,
    SOAPFLAG_NONE | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL,
    0x8833C2E7,
    "http://www.webserviceX.NET",
    L"http://www.webserviceX.NET",
    sizeof("http://www.webserviceX.NET")-1
};


struct __CUSZip_GetInfoByCity_struct
{
    BSTR USCity;
    BSTR GetInfoByCityResult;
};

extern __declspec(selectany) const _soapmapentry __CUSZip_GetInfoByCity_entries[] =
{

    {
        0xCC4AFAC1, 
        "USCity", 
        L"USCity", 
        sizeof("USCity")-1, 
        SOAPTYPE_STRING, 
        SOAPFLAG_NONE | SOAPFLAG_IN | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL | SOAPFLAG_NULLABLE,
        offsetof(__CUSZip_GetInfoByCity_struct, USCity),
        NULL,
        NULL,
        -1,
    },
    {
        0xE3D245BF, 
        "GetInfoByCityResult", 
        L"GetInfoByCityResult", 
        sizeof("GetInfoByCityResult")-1, 
        SOAPTYPE_STRING, 
        SOAPFLAG_NONE | SOAPFLAG_OUT | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL | SOAPFLAG_NULLABLE,
        offsetof(__CUSZip_GetInfoByCity_struct, GetInfoByCityResult),
        NULL,
        NULL,
        -1,
    },
    { 0x00000000 }
};

extern __declspec(selectany) const _soapmap __CUSZip_GetInfoByCity_map =
{
    0x2121D1CF,
    "GetInfoByCity",
    L"GetInfoByCityResponse",
    sizeof("GetInfoByCity")-1,
    sizeof("GetInfoByCityResponse")-1,
    SOAPMAP_FUNC,
    __CUSZip_GetInfoByCity_entries,
    sizeof(__CUSZip_GetInfoByCity_struct),
    1,
    -1,
    SOAPFLAG_NONE | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL,
    0x8833C2E7,
    "http://www.webserviceX.NET",
    L"http://www.webserviceX.NET",
    sizeof("http://www.webserviceX.NET")-1
};


struct __CUSZip_GetInfoByState_struct
{
    BSTR USState;
    BSTR GetInfoByStateResult;
};

extern __declspec(selectany) const _soapmapentry __CUSZip_GetInfoByState_entries[] =
{

    {
        0x56D19209, 
        "USState", 
        L"USState", 
        sizeof("USState")-1, 
        SOAPTYPE_STRING, 
        SOAPFLAG_NONE | SOAPFLAG_IN | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL | SOAPFLAG_NULLABLE,
        offsetof(__CUSZip_GetInfoByState_struct, USState),
        NULL,
        NULL,
        -1,
    },
    {
        0x271736E7, 
        "GetInfoByStateResult", 
        L"GetInfoByStateResult", 
        sizeof("GetInfoByStateResult")-1, 
        SOAPTYPE_STRING, 
        SOAPFLAG_NONE | SOAPFLAG_OUT | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL | SOAPFLAG_NULLABLE,
        offsetof(__CUSZip_GetInfoByState_struct, GetInfoByStateResult),
        NULL,
        NULL,
        -1,
    },
    { 0x00000000 }
};

extern __declspec(selectany) const _soapmap __CUSZip_GetInfoByState_map =
{
    0x4967ACF7,
    "GetInfoByState",
    L"GetInfoByStateResponse",
    sizeof("GetInfoByState")-1,
    sizeof("GetInfoByStateResponse")-1,
    SOAPMAP_FUNC,
    __CUSZip_GetInfoByState_entries,
    sizeof(__CUSZip_GetInfoByState_struct),
    1,
    -1,
    SOAPFLAG_NONE | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL,
    0x8833C2E7,
    "http://www.webserviceX.NET",
    L"http://www.webserviceX.NET",
    sizeof("http://www.webserviceX.NET")-1
};


struct __CUSZip_GetInfoByZIP_struct
{
    BSTR USZip;
    BSTR GetInfoByZIPResult;
};

extern __declspec(selectany) const _soapmapentry __CUSZip_GetInfoByZIP_entries[] =
{

    {
        0x0631331B, 
        "USZip", 
        L"USZip", 
        sizeof("USZip")-1, 
        SOAPTYPE_STRING, 
        SOAPFLAG_NONE | SOAPFLAG_IN | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL | SOAPFLAG_NULLABLE,
        offsetof(__CUSZip_GetInfoByZIP_struct, USZip),
        NULL,
        NULL,
        -1,
    },
    {
        0xD0D29D79, 
        "GetInfoByZIPResult", 
        L"GetInfoByZIPResult", 
        sizeof("GetInfoByZIPResult")-1, 
        SOAPTYPE_STRING, 
        SOAPFLAG_NONE | SOAPFLAG_OUT | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL | SOAPFLAG_NULLABLE,
        offsetof(__CUSZip_GetInfoByZIP_struct, GetInfoByZIPResult),
        NULL,
        NULL,
        -1,
    },
    { 0x00000000 }
};

extern __declspec(selectany) const _soapmap __CUSZip_GetInfoByZIP_map =
{
    0x4F970009,
    "GetInfoByZIP",
    L"GetInfoByZIPResponse",
    sizeof("GetInfoByZIP")-1,
    sizeof("GetInfoByZIPResponse")-1,
    SOAPMAP_FUNC,
    __CUSZip_GetInfoByZIP_entries,
    sizeof(__CUSZip_GetInfoByZIP_struct),
    1,
    -1,
    SOAPFLAG_NONE | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL,
    0x8833C2E7,
    "http://www.webserviceX.NET",
    L"http://www.webserviceX.NET",
    sizeof("http://www.webserviceX.NET")-1
};

extern __declspec(selectany) const _soapmap * __CUSZip_funcs[] =
{
    &__CUSZip_GetInfoByAreaCode_map,
    &__CUSZip_GetInfoByCity_map,
    &__CUSZip_GetInfoByState_map,
    &__CUSZip_GetInfoByZIP_map,
    NULL
};

template <typename TClient>
inline HRESULT CUSZipT<TClient>::GetInfoByAreaCode(
        BSTR USAreaCode, 
        BSTR* GetInfoByAreaCodeResult
    )
{
    if ( GetInfoByAreaCodeResult == NULL )
        return E_POINTER;

    HRESULT __atlsoap_hr = InitializeSOAP(NULL);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_INITIALIZE_ERROR);
        return __atlsoap_hr;
    }

    CleanupClient();

    CComPtr<IStream> __atlsoap_spReadStream;
    __CUSZip_GetInfoByAreaCode_struct __params;
    memset(&__params, 0x00, sizeof(__params));
    __params.USAreaCode = USAreaCode;

    __atlsoap_hr = SetClientStruct(&__params, 0);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_OUTOFMEMORY);
        goto __skip_cleanup;
    }

    __atlsoap_hr = GenerateResponse(GetWriteStream());
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_GENERATE_ERROR);
        goto __skip_cleanup;
    }

    __atlsoap_hr = SendRequest(_T("SOAPAction: \"http://www.webserviceX.NET/GetInfoByAreaCode\"\r\n"));
    if (FAILED(__atlsoap_hr))
    {
        goto __skip_cleanup;
    }
    __atlsoap_hr = GetReadStream(&__atlsoap_spReadStream);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_READ_ERROR);
        goto __skip_cleanup;
    }

    // cleanup any in/out-params and out-headers from previous calls
    Cleanup();
    __atlsoap_hr = BeginParse(__atlsoap_spReadStream);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_PARSE_ERROR);
        goto __cleanup;
    }

    *GetInfoByAreaCodeResult = __params.GetInfoByAreaCodeResult;
    goto __skip_cleanup;

__cleanup:
    Cleanup();
__skip_cleanup:
    ResetClientState(true);
    memset(&__params, 0x00, sizeof(__params));
    return __atlsoap_hr;
}

template <typename TClient>
inline HRESULT CUSZipT<TClient>::GetInfoByCity(
        BSTR USCity, 
        BSTR* GetInfoByCityResult
    )
{
    if ( GetInfoByCityResult == NULL )
        return E_POINTER;

    HRESULT __atlsoap_hr = InitializeSOAP(NULL);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_INITIALIZE_ERROR);
        return __atlsoap_hr;
    }

    CleanupClient();

    CComPtr<IStream> __atlsoap_spReadStream;
    __CUSZip_GetInfoByCity_struct __params;
    memset(&__params, 0x00, sizeof(__params));
    __params.USCity = USCity;

    __atlsoap_hr = SetClientStruct(&__params, 1);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_OUTOFMEMORY);
        goto __skip_cleanup;
    }

    __atlsoap_hr = GenerateResponse(GetWriteStream());
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_GENERATE_ERROR);
        goto __skip_cleanup;
    }

    __atlsoap_hr = SendRequest(_T("SOAPAction: \"http://www.webserviceX.NET/GetInfoByCity\"\r\n"));
    if (FAILED(__atlsoap_hr))
    {
        goto __skip_cleanup;
    }
    __atlsoap_hr = GetReadStream(&__atlsoap_spReadStream);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_READ_ERROR);
        goto __skip_cleanup;
    }

    // cleanup any in/out-params and out-headers from previous calls
    Cleanup();
    __atlsoap_hr = BeginParse(__atlsoap_spReadStream);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_PARSE_ERROR);
        goto __cleanup;
    }

    *GetInfoByCityResult = __params.GetInfoByCityResult;
    goto __skip_cleanup;

__cleanup:
    Cleanup();
__skip_cleanup:
    ResetClientState(true);
    memset(&__params, 0x00, sizeof(__params));
    return __atlsoap_hr;
}

template <typename TClient>
inline HRESULT CUSZipT<TClient>::GetInfoByState(
        BSTR USState, 
        BSTR* GetInfoByStateResult
    )
{
    if ( GetInfoByStateResult == NULL )
        return E_POINTER;

    HRESULT __atlsoap_hr = InitializeSOAP(NULL);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_INITIALIZE_ERROR);
        return __atlsoap_hr;
    }

    CleanupClient();

    CComPtr<IStream> __atlsoap_spReadStream;
    __CUSZip_GetInfoByState_struct __params;
    memset(&__params, 0x00, sizeof(__params));
    __params.USState = USState;

    __atlsoap_hr = SetClientStruct(&__params, 2);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_OUTOFMEMORY);
        goto __skip_cleanup;
    }

    __atlsoap_hr = GenerateResponse(GetWriteStream());
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_GENERATE_ERROR);
        goto __skip_cleanup;
    }

    __atlsoap_hr = SendRequest(_T("SOAPAction: \"http://www.webserviceX.NET/GetInfoByState\"\r\n"));
    if (FAILED(__atlsoap_hr))
    {
        goto __skip_cleanup;
    }
    __atlsoap_hr = GetReadStream(&__atlsoap_spReadStream);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_READ_ERROR);
        goto __skip_cleanup;
    }

    // cleanup any in/out-params and out-headers from previous calls
    Cleanup();
    __atlsoap_hr = BeginParse(__atlsoap_spReadStream);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_PARSE_ERROR);
        goto __cleanup;
    }

    *GetInfoByStateResult = __params.GetInfoByStateResult;
    goto __skip_cleanup;

__cleanup:
    Cleanup();
__skip_cleanup:
    ResetClientState(true);
    memset(&__params, 0x00, sizeof(__params));
    return __atlsoap_hr;
}

template <typename TClient>
inline HRESULT CUSZipT<TClient>::GetInfoByZIP(
        BSTR USZip, 
        BSTR* GetInfoByZIPResult
    )
{
    if ( GetInfoByZIPResult == NULL )
        return E_POINTER;

    HRESULT __atlsoap_hr = InitializeSOAP(NULL);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_INITIALIZE_ERROR);
        return __atlsoap_hr;
    }

    CleanupClient();

    CComPtr<IStream> __atlsoap_spReadStream;
    __CUSZip_GetInfoByZIP_struct __params;
    memset(&__params, 0x00, sizeof(__params));
    __params.USZip = USZip;

    __atlsoap_hr = SetClientStruct(&__params, 3);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_OUTOFMEMORY);
        goto __skip_cleanup;
    }

    __atlsoap_hr = GenerateResponse(GetWriteStream());
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_GENERATE_ERROR);
        goto __skip_cleanup;
    }

    __atlsoap_hr = SendRequest(_T("SOAPAction: \"http://www.webserviceX.NET/GetInfoByZIP\"\r\n"));
    if (FAILED(__atlsoap_hr))
    {
        goto __skip_cleanup;
    }
    __atlsoap_hr = GetReadStream(&__atlsoap_spReadStream);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_READ_ERROR);
        goto __skip_cleanup;
    }

    // cleanup any in/out-params and out-headers from previous calls
    Cleanup();
    __atlsoap_hr = BeginParse(__atlsoap_spReadStream);
    if (FAILED(__atlsoap_hr))
    {
        SetClientError(SOAPCLIENT_PARSE_ERROR);
        goto __cleanup;
    }

    *GetInfoByZIPResult = __params.GetInfoByZIPResult;
    goto __skip_cleanup;

__cleanup:
    Cleanup();
__skip_cleanup:
    ResetClientState(true);
    memset(&__params, 0x00, sizeof(__params));
    return __atlsoap_hr;
}

template <typename TClient>
ATL_NOINLINE inline const _soapmap ** CUSZipT<TClient>::GetFunctionMap()
{
    return __CUSZip_funcs;
}

template <typename TClient>
ATL_NOINLINE inline const _soapmap ** CUSZipT<TClient>::GetHeaderMap()
{
    static const _soapmapentry __CUSZip_GetInfoByAreaCode_atlsoapheader_entries[] =
    {
        { 0x00000000 }
    };

    static const _soapmap __CUSZip_GetInfoByAreaCode_atlsoapheader_map = 
    {
        0xFBDA3B2A,
        "GetInfoByAreaCode",
        L"GetInfoByAreaCodeResponse",
        sizeof("GetInfoByAreaCode")-1,
        sizeof("GetInfoByAreaCodeResponse")-1,
        SOAPMAP_HEADER,
        __CUSZip_GetInfoByAreaCode_atlsoapheader_entries,
        0,
        0,
        -1,
        SOAPFLAG_NONE | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL,
        0x8833C2E7,
        "http://www.webserviceX.NET",
        L"http://www.webserviceX.NET",
        sizeof("http://www.webserviceX.NET")-1
    };

    static const _soapmapentry __CUSZip_GetInfoByCity_atlsoapheader_entries[] =
    {
        { 0x00000000 }
    };

    static const _soapmap __CUSZip_GetInfoByCity_atlsoapheader_map = 
    {
        0x2121D1CF,
        "GetInfoByCity",
        L"GetInfoByCityResponse",
        sizeof("GetInfoByCity")-1,
        sizeof("GetInfoByCityResponse")-1,
        SOAPMAP_HEADER,
        __CUSZip_GetInfoByCity_atlsoapheader_entries,
        0,
        0,
        -1,
        SOAPFLAG_NONE | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL,
        0x8833C2E7,
        "http://www.webserviceX.NET",
        L"http://www.webserviceX.NET",
        sizeof("http://www.webserviceX.NET")-1
    };

    static const _soapmapentry __CUSZip_GetInfoByState_atlsoapheader_entries[] =
    {
        { 0x00000000 }
    };

    static const _soapmap __CUSZip_GetInfoByState_atlsoapheader_map = 
    {
        0x4967ACF7,
        "GetInfoByState",
        L"GetInfoByStateResponse",
        sizeof("GetInfoByState")-1,
        sizeof("GetInfoByStateResponse")-1,
        SOAPMAP_HEADER,
        __CUSZip_GetInfoByState_atlsoapheader_entries,
        0,
        0,
        -1,
        SOAPFLAG_NONE | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL,
        0x8833C2E7,
        "http://www.webserviceX.NET",
        L"http://www.webserviceX.NET",
        sizeof("http://www.webserviceX.NET")-1
    };

    static const _soapmapentry __CUSZip_GetInfoByZIP_atlsoapheader_entries[] =
    {
        { 0x00000000 }
    };

    static const _soapmap __CUSZip_GetInfoByZIP_atlsoapheader_map = 
    {
        0x4F970009,
        "GetInfoByZIP",
        L"GetInfoByZIPResponse",
        sizeof("GetInfoByZIP")-1,
        sizeof("GetInfoByZIPResponse")-1,
        SOAPMAP_HEADER,
        __CUSZip_GetInfoByZIP_atlsoapheader_entries,
        0,
        0,
        -1,
        SOAPFLAG_NONE | SOAPFLAG_PID | SOAPFLAG_DOCUMENT | SOAPFLAG_LITERAL,
        0x8833C2E7,
        "http://www.webserviceX.NET",
        L"http://www.webserviceX.NET",
        sizeof("http://www.webserviceX.NET")-1
    };


    static const _soapmap * __CUSZip_headers[] =
    {
        &__CUSZip_GetInfoByAreaCode_atlsoapheader_map,
        &__CUSZip_GetInfoByCity_atlsoapheader_map,
        &__CUSZip_GetInfoByState_atlsoapheader_map,
        &__CUSZip_GetInfoByZIP_atlsoapheader_map,
        NULL
    };

    return __CUSZip_headers;
}

template <typename TClient>
ATL_NOINLINE inline void * CUSZipT<TClient>::GetHeaderValue()
{
    return this;
}

template <typename TClient>
ATL_NOINLINE inline const wchar_t * CUSZipT<TClient>::GetNamespaceUri()
{
    return L"http://www.webserviceX.NET";
}

template <typename TClient>
ATL_NOINLINE inline const char * CUSZipT<TClient>::GetServiceName()
{
    return NULL;
}

template <typename TClient>
ATL_NOINLINE inline const char * CUSZipT<TClient>::GetNamespaceUriA()
{
    return "http://www.webserviceX.NET";
}

template <typename TClient>
ATL_NOINLINE inline HRESULT CUSZipT<TClient>::CallFunction(
    void *, 
    const wchar_t *, int,
    size_t)
{
    return E_NOTIMPL;
}

template <typename TClient>
ATL_NOINLINE inline HRESULT CUSZipT<TClient>::GetClientReader(ISAXXMLReader **ppReader)
{
    if (ppReader == NULL)
    {
        return E_INVALIDARG;
    }

    CComPtr<ISAXXMLReader> spReader = GetReader();
    if (spReader.p != NULL)
    {
        *ppReader = spReader.Detach();
        return S_OK;
    }
    return TClient::GetClientReader(ppReader);
}

} // namespace USZip

编辑：添加源代码。

从 VS2005“MFC 应用程序”模板创建的 MFC 应用程序。除了从高级功能向导设置中选择“基于对话框”的应用程序类型和未选中的“ActiveX 控件”之外的所有默认向导值。

下面代码 (OnBnClickedCallWebWervice) 中的 Web 服务调用在 Vista 和 Win7 系统上运行时有效。从 XP 系统运行时，调用失败并CO_E_NOTINITIALIZED显示为 HRESULT。如果我添加CoInitialize(NULL)到 InitInstance 方法，则 Web 服务调用适用于所有三个平台。

测试应用程序.cpp

// TestApp.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "TestApp.h"
#include "TestAppDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CTestAppApp

BEGIN_MESSAGE_MAP(CTestAppApp, CWinApp)
    ON_COMMAND(ID_HELP, &CWinApp::OnHelp)
END_MESSAGE_MAP()


// CTestAppApp construction

CTestAppApp::CTestAppApp()
{
    // TODO: add construction code here,
    // Place all significant initialization in InitInstance
}


// The one and only CTestAppApp object

CTestAppApp theApp;


// CTestAppApp initialization

BOOL CTestAppApp::InitInstance()
{
    // InitCommonControlsEx() is required on Windows XP if an application
    // manifest specifies use of ComCtl32.dll version 6 or later to enable
    // visual styles.  Otherwise, any window creation will fail.
    INITCOMMONCONTROLSEX InitCtrls;
    InitCtrls.dwSize = sizeof(InitCtrls);
    // Set this to include all the common control classes you want to use
    // in your application.
    InitCtrls.dwICC = ICC_WIN95_CLASSES;
    InitCommonControlsEx(&InitCtrls);

    CWinApp::InitInstance();

    // Standard initialization
    // If you are not using these features and wish to reduce the size
    // of your final executable, you should remove from the following
    // the specific initialization routines you do not need
    // Change the registry key under which our settings are stored
    // TODO: You should modify this string to be something appropriate
    // such as the name of your company or organization
    SetRegistryKey(_T("Local AppWizard-Generated Applications"));

    CTestAppDlg dlg;
    m_pMainWnd = &dlg;
    INT_PTR nResponse = dlg.DoModal();
    if (nResponse == IDOK)
    {
        // TODO: Place code here to handle when the dialog is
        //  dismissed with OK
    }
    else if (nResponse == IDCANCEL)
    {
        // TODO: Place code here to handle when the dialog is
        //  dismissed with Cancel
    }

    // Since the dialog has been closed, return FALSE so that we exit the
    //  application, rather than start the application's message pump.
    return FALSE;
}

测试应用程序Dlg.cpp

// TestAppDlg.cpp : implementation file
//

#include "stdafx.h"
#include "TestApp.h"
#include "TestAppDlg.h"
#include "WebService.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
    CAboutDlg();

// Dialog Data
    enum { IDD = IDD_ABOUTBOX };

    protected:
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support

// Implementation
protected:
    DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()


// CTestAppDlg dialog




CTestAppDlg::CTestAppDlg(CWnd* pParent /*=NULL*/)
    : CDialog(CTestAppDlg::IDD, pParent)
{
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTestAppDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CTestAppDlg, CDialog)
    ON_WM_SYSCOMMAND()
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    //}}AFX_MSG_MAP
    ON_BN_CLICKED(IDC_BUTTON_CALLWEBSERVICE, &CTestAppDlg::OnBnClickedCallWebWervice)
END_MESSAGE_MAP()


// CTestAppDlg message handlers

BOOL CTestAppDlg::OnInitDialog()
{
    CDialog::OnInitDialog();

    // Add "About..." menu item to system menu.

    // IDM_ABOUTBOX must be in the system command range.
    ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
    ASSERT(IDM_ABOUTBOX < 0xF000);

    CMenu* pSysMenu = GetSystemMenu(FALSE);
    if (pSysMenu != NULL)
    {
        CString strAboutMenu;
        strAboutMenu.LoadString(IDS_ABOUTBOX);
        if (!strAboutMenu.IsEmpty())
        {
            pSysMenu->AppendMenu(MF_SEPARATOR);
            pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
        }
    }

    // Set the icon for this dialog.  The framework does this automatically
    //  when the application's main window is not a dialog
    SetIcon(m_hIcon, TRUE);         // Set big icon
    SetIcon(m_hIcon, FALSE);        // Set small icon

    // TODO: Add extra initialization here

    return TRUE;  // return TRUE  unless you set the focus to a control
}

void CTestAppDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
    if ((nID & 0xFFF0) == IDM_ABOUTBOX)
    {
        CAboutDlg dlgAbout;
        dlgAbout.DoModal();
    }
    else
    {
        CDialog::OnSysCommand(nID, lParam);
    }
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CTestAppDlg::OnPaint()
{
    if (IsIconic())
    {
        CPaintDC dc(this); // device context for painting

        SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

        // Center icon in client rectangle
        int cxIcon = GetSystemMetrics(SM_CXICON);
        int cyIcon = GetSystemMetrics(SM_CYICON);
        CRect rect;
        GetClientRect(&rect);
        int x = (rect.Width() - cxIcon + 1) / 2;
        int y = (rect.Height() - cyIcon + 1) / 2;

        // Draw the icon
        dc.DrawIcon(x, y, m_hIcon);
    }
    else
    {
        CDialog::OnPaint();
    }
}

// The system calls this function to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CTestAppDlg::OnQueryDragIcon()
{
    return static_cast<HCURSOR>(m_hIcon);
}


void CTestAppDlg::OnBnClickedCallWebWervice()
{
    USZip::CUSZip* c = new USZip::CUSZip();

    BSTR bstrResult;
    HRESULT hr = c->GetInfoByZIP(CComBSTR(_T("90814")), &bstrResult);
    if (SUCCEEDED(hr))
    {
        CString csResult(bstrResult);
        GetDlgItem(IDC_STATIC_MSG)->SetWindowText(csResult);
    }
    else
    {
        CString csResult;
        csResult.Format(_T("Call to web service failed with HRESULT=0x%0x"), hr);
        GetDlgItem(IDC_STATIC_MSG)->SetWindowText(csResult);
    }

    delete c;
}
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