C# 获取本地系统IP地址

你可以使用C#中的`NetworkInterface`类来获取本地系统的IP地址。下面是一个示例代码：

using System;
using System.Net;
using System.Net.NetworkInformation;

class Program
{
    static void Main()
    {
        foreach (NetworkInterface networkInterface in NetworkInterface.GetAllNetworkInterfaces())
        {
            if (networkInterface.OperationalStatus == OperationalStatus.Up)
            {
                IPInterfaceProperties ipProps = networkInterface.GetIPProperties();
                foreach (UnicastIPAddressInformation address in ipProps.UnicastAddresses)
                {
                    if (address.Address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
                    {
                        Console.WriteLine("IP Address: " + address.Address);
                    }
                }
            }
        }
    }
}

运行这段代码将会输出本地系统的所有IPv4地址。