VC设置代理方法

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Setting Connection Options

In Internet Explorer 5 and later, Internet options can be set for on a specific connection. Previously, all connections shared the same Internet option settings. To set options for a particular connection:

Create an INTERNET_PER_CONN_OPTION_LIST structure.
Allocate the memory for the individual Internet options that you want to set for the connection.
Set the options in INTERNET_PER_CONN_OPTION structures.
Set the options using InternetSetOption.

BOOL SetConnectionOptions()

{

    INTERNET_PER_CONN_OPTION_LIST list;

    BOOL    bReturn;

    DWORD   dwBufSize = sizeof(list);

    // Fill the list structure.

    list.dwSize = sizeof(list);

    // NULL == LAN, otherwise connectoid name.

    list.pszConnection = NULL;

    // Set three options.

    list.dwOptionCount = 3;

    list.pOptions = new INTERNET_PER_CONN_OPTION[3];

    // Ensure that the memory was allocated.

    if(NULL == list.pOptions)

    {

        // Return FALSE if the memory wasn't allocated.

        return FALSE;

    }

    // Set flags.

    list.pOptions[0].dwOption = INTERNET_PER_CONN_FLAGS;

    list.pOptions[0].Value.dwValue = PROXY_TYPE_DIRECT |

        PROXY_TYPE_PROXY;

    // Set proxy name.

    list.pOptions[1].dwOption = INTERNET_PER_CONN_PROXY_SERVER;

    list.pOptions[1].Value.pszValue = TEXT("http://proxy:80");

    // Set proxy override.

    list.pOptions[2].dwOption = INTERNET_PER_CONN_PROXY_BYPASS;

    list.pOptions[2].Value.pszValue = TEXT("local");

    // Set the options on the connection.

    bReturn = InternetSetOption(NULL,

        INTERNET_OPTION_PER_CONNECTION_OPTION, &list, dwBufSize);

    // Free the allocated memory.

    delete [] list.pOptions;

    return bReturn;

}

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VC设置代理方法

Setting Connection Options

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