VC++: windows xp系统下修改IP地址_vc++ 修改网络ip地址-优快云博客

本文链接：https://blog.youkuaiyun.com/genghao/article/details/133394774

文章描述了如何通过Windows注册表操作，使用C++代码动态设置特定网络接口的IP地址，涉及多个系统控制集和服务实例。

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    char ipValue[16] = {0};
    ipValue[0] = '1';
    ipValue[1] = '9';
    ipValue[2] = '2';
    ipValue[3] = '.';
    ipValue[4] = '1';
    ipValue[5] = '6';
    ipValue[6] = '8';
    ipValue[7] = '.';
    ipValue[8] = '3';
    ipValue[9] = '0';
    ipValue[10] = '.';
    ipValue[11] = '2';
    ipValue[12] = (int)rand() % 5 + 48;
    ipValue[13] = (int)rand() % 10 + 48;
    char sIP[200];
    memset(sIP, 0, 200);
    strcpy(sIP, "SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces\\{66C9B655-D05F-405D-B65A-1F44188E07D9}");
    ::RegOpenKeyEx(HKEY_LOCAL_MACHINE, sIP , 0, KEY_WRITE|KEY_READ, &hkey);
    ::RegSetValueEx(hkey, "IPAddress", 0, REG_MULTI_SZ, (const BYTE*)ipValue, strlen(LPCSTR(ipValue)));

    memset(sIP, 0, 200);
    strcpy(sIP, "SYSTEM\\CurrentControlSet\\Services\\{66C9B655-D05F-405D-B65A-1F44188E07D9}\\Parameters\\Tcpip");
    ::RegOpenKeyEx(HKEY_LOCAL_MACHINE, sIP , 0, KEY_WRITE|KEY_READ, &hkey);
    ::RegSetValueEx(hkey, "IPAddress", 0, REG_MULTI_SZ, (const BYTE*)ipValue, strlen(LPCSTR(ipValue)));

    memset(sIP, 0, 200);
    strcpy(sIP, "SYSTEM\\ControlSet001\\Services\\Tcpip\\Parameters\\Interfaces\\{66C9B655-D05F-405D-B65A-1F44188E07D9}");
    ::RegOpenKeyEx(HKEY_LOCAL_MACHINE, sIP , 0, KEY_WRITE|KEY_READ, &hkey);
    ::RegSetValueEx(hkey, "IPAddress", 0, REG_MULTI_SZ, (const BYTE*)ipValue, strlen(LPCSTR(ipValue)));

    memset(sIP, 0, 200);
    strcpy(sIP, "SYSTEM\\ControlSet001\\Services\\{66C9B655-D05F-405D-B65A-1F44188E07D9}\\Parameters\\Tcpip");
    ::RegOpenKeyEx(HKEY_LOCAL_MACHINE, sIP , 0, KEY_WRITE|KEY_READ, &hkey);
    ::RegSetValueEx(hkey, "IPAddress", 0, REG_MULTI_SZ, (const BYTE*)ipValue, strlen(LPCSTR(ipValue)));

    RegCloseKey(hkey);