Getphonenumber获得电话号码的例子

今天运行了一下SDK的 Getphonenumber的例子,没在真机上测试

/////////////////////////////////////////////////////////////////////////////
// Function: SHGetPhoneNumber
// szNumber - Out Buffer for the phone number
// cchNumber - size of sznumber in characters
// nLineNumber - In which phone line (1 or 2) to get the number for
/////////////////////////////////////////////////////////////////////////////
HRESULT SHGetPhoneNumber(LPTSTR szNumber, UINT cchNumber, UINT nLineNumber)
{
    HRESULT  hr = E_FAIL;
    LRESULT  lResult = 0;
    HLINEAPP hLineApp;
    DWORD    dwNumDevs;  //number of line devices
    DWORD    dwAPIVersion = TAPI_API_HIGH_VERSION;
    LINEINITIALIZEEXPARAMS liep;

    DWORD dwTAPILineDeviceID;
    const DWORD dwAddressID = nLineNumber - 1;

    liep.dwTotalSize = sizeof(liep);
    liep.dwOptions   = LINEINITIALIZEEXOPTION_USEEVENT;

    //initialize line before accessing
    if (SUCCEEDED(lineInitializeEx(&hLineApp, 0, 0, TEXT("ExTapi_Lib"), &dwNumDevs, &dwAPIVersion, &liep)))
    {

        BYTE* pCapBuf = NULL;
        DWORD dwCapBufSize = CAPS_BUFFER_SIZE;
        LINEEXTENSIONID  LineExtensionID;
        LINEDEVCAPS*     pLineDevCaps = NULL;
        LINEADDRESSCAPS* placAddressCaps = NULL;

        pCapBuf = new BYTE[dwCapBufSize];
        EXIT_ON_NULL(pCapBuf);

        pLineDevCaps = (LINEDEVCAPS*)pCapBuf;
        pLineDevCaps->dwTotalSize = dwCapBufSize;

        // Get TSP Line Device ID
        dwTAPILineDeviceID = 0xffffffff;
        for (DWORD dwCurrentDevID = 0 ; dwCurrentDevID < dwNumDevs ; dwCurrentDevID++)
        {
            //ensure TAPI, service provider, and application are all using the same versions
            if (0 == lineNegotiateAPIVersion(hLineApp, dwCurrentDevID, TAPI_API_LOW_VERSION, TAPI_API_HIGH_VERSION,
                &dwAPIVersion, &LineExtensionID))
            {
                lResult = lineGetDevCaps(hLineApp, dwCurrentDevID, dwAPIVersion, 0, pLineDevCaps);

                //increase buffer size if too small to hold the device capabilities
                if (dwCapBufSize < pLineDevCaps->dwNeededSize)
                {
                    delete[] pCapBuf;
                    dwCapBufSize = pLineDevCaps->dwNeededSize;
                    pCapBuf = new BYTE[dwCapBufSize];
                    EXIT_ON_NULL(pCapBuf);

                    pLineDevCaps = (LINEDEVCAPS*)pCapBuf;
                    pLineDevCaps->dwTotalSize = dwCapBufSize;

                    lResult = lineGetDevCaps(hLineApp, dwCurrentDevID, dwAPIVersion, 0, pLineDevCaps);
                }
                //lResult of 0 means the device capabilities were successfully returned
                if ((0 == lResult) &&
                    (0 == _tcscmp((TCHAR*)((BYTE*)pLineDevCaps+pLineDevCaps->dwLineNameOffset), CELLTSP_LINENAME_STRING)))
                {
                    dwTAPILineDeviceID = dwCurrentDevID;
                    break;
                }
            }
        }

        placAddressCaps = (LINEADDRESSCAPS*)pCapBuf;
        placAddressCaps->dwTotalSize = dwCapBufSize;

        lResult = lineGetAddressCaps(hLineApp, dwTAPILineDeviceID, dwAddressID, dwAPIVersion, 0, placAddressCaps);

        //increase buffer size if too small to hold the address capabilities
        if (dwCapBufSize < placAddressCaps->dwNeededSize)
        {
            delete[] pCapBuf;
            dwCapBufSize = placAddressCaps->dwNeededSize;
            pCapBuf = new BYTE[dwCapBufSize];
            EXIT_ON_NULL(pCapBuf);

            placAddressCaps = (LINEADDRESSCAPS*)pCapBuf;
            placAddressCaps->dwTotalSize = dwCapBufSize;

            lResult = lineGetAddressCaps(hLineApp, dwTAPILineDeviceID, dwAddressID, dwAPIVersion, 0, placAddressCaps);
        }
        //lResult of 0 means the address capabilities were successfully returned
        if (0 == lResult)
        {
            if (szNumber)
            {
                szNumber[0] = TEXT('/0');

                EXIT_ON_FALSE(0 != placAddressCaps->dwAddressSize);

                // A non-zero dwAddressSize means a phone number was found
                ASSERT(0 != placAddressCaps->dwAddressOffset);
                PWCHAR tsAddress = (WCHAR*)(((BYTE*)placAddressCaps)+placAddressCaps->dwAddressOffset);

                StringCchCopy(szNumber, cchNumber, tsAddress);
            }

            hr = S_OK;
        }

        delete[] pCapBuf;
    } // End if ()

FuncExit:
    lineShutdown(hLineApp);

    return hr;
}

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