c#.net使用WinAPI: GetComputerName - 获取计算机名称

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;

namespace GetLocalIpApp
{

class Program
{

[DllImport("kernel32.dll")]
static extern bool GetComputerName(IntPtr p, ref int lpnSize);
static void Main(string[] args)
{
string strLocalName = LocalComputerName();
Console.WriteLine(strLocalName);
Console.Read();

}
static string LocalComputerName()
{
IntPtr p = Marshal.AllocHGlobal(128);
int len = 128;
GetComputerName(p, ref len);
string strName = Marshal.PtrToStringAnsi(p);
//释放指针占用的内存
Marshal.FreeHGlobal(p);
return strName;
}
}
}