自学教程：C++ DialogBoxParamW函数代码示例

/*********************************************************************** *         InternetErrorDlg */DWORD WINAPI InternetErrorDlg(HWND hWnd, HINTERNET hRequest,                 DWORD dwError, DWORD dwFlags, LPVOID* lppvData){    struct WININET_ErrorDlgParams params;    INT dwStatus;    TRACE("%p %p %d %08x %p/n", hWnd, hRequest, dwError, dwFlags, lppvData);    if( !hWnd && !(dwFlags & FLAGS_ERROR_UI_FLAGS_NO_UI) )        return ERROR_INVALID_HANDLE;    params.hWnd = hWnd;    params.hRequest = hRequest;    params.dwError = dwError;    params.dwFlags = dwFlags;    params.lppvData = lppvData;    switch( dwError )    {    case ERROR_SUCCESS:    case ERROR_INTERNET_INCORRECT_PASSWORD:        if( !dwError && !(dwFlags & FLAGS_ERROR_UI_FILTER_FOR_ERRORS ) )            return 0;        dwStatus = WININET_GetConnectionStatus( hRequest );        switch (dwStatus)        {        case HTTP_STATUS_PROXY_AUTH_REQ:            return DialogBoxParamW( WININET_hModule, MAKEINTRESOURCEW( IDD_PROXYDLG ),                                    hWnd, WININET_ProxyPasswordDialog, (LPARAM) &params );        case HTTP_STATUS_DENIED:            return DialogBoxParamW( WININET_hModule, MAKEINTRESOURCEW( IDD_AUTHDLG ),                                    hWnd, WININET_PasswordDialog, (LPARAM) &params );        default:            WARN("unhandled status %u/n", dwStatus);            return 0;        }    case ERROR_INTERNET_SEC_CERT_ERRORS:    case ERROR_INTERNET_SEC_CERT_CN_INVALID:    case ERROR_INTERNET_SEC_CERT_DATE_INVALID:    case ERROR_INTERNET_INVALID_CA:        if( dwFlags & FLAGS_ERROR_UI_FLAGS_NO_UI )            return ERROR_CANCELLED;        if( dwFlags & ~FLAGS_ERROR_UI_FLAGS_CHANGE_OPTIONS )            FIXME("%08x contains unsupported flags./n", dwFlags);        return DialogBoxParamW( WININET_hModule, MAKEINTRESOURCEW( IDD_INVCERTDLG ),                                hWnd, WININET_InvalidCertificateDialog, (LPARAM) &params );    case ERROR_INTERNET_HTTP_TO_HTTPS_ON_REDIR:    case ERROR_INTERNET_POST_IS_NON_SECURE:        FIXME("Need to display dialog for error %d/n", dwError);        return ERROR_SUCCESS;    }    return ERROR_NOT_SUPPORTED;}

/*********************************************************************** *           acmFormatChooseW ([email
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