C# 同步各个机器的时间

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace 同步时间
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        [StructLayout(LayoutKind.Sequential)]
        public class SystemTime
        {
            public ushort wYear;
            public ushort wMonth;
            public ushort wDayOfWeek;
            public ushort wDay;
            public ushort wHour;
            public ushort wMinute;
            public ushort wSecond;
            public ushort wMiliseconds;
        }
        [DllImport("Kernel32.dll", SetLastError = true, EntryPoint = "SetLocalTime")]
        public static extern bool SetSystemTime(ref SystemTime lpSystemTime);

        [DllImport("Kernel32.dll ")]
        public static extern void GetSystemTime(ref SystemTime sysTime);

        [DllImport("Kernel32.dll")]
        public static extern bool SetLocalTime(ref SystemTime sysTime);

        [DllImport("Kernel32.dll")]
        public static extern void GetLocalTime(ref SystemTime sysTime);
        private void Form1_Load(object sender, EventArgs e)
        {
            var client = new SNTPTimeClient("192.168.0.2", "123");
            client.Connect();
            DateTime getEd = client.ReceiveTimestamp;//获取指定IP的系统时间  
            SystemTime st= new SystemTime();
           // SystemTime st = new SystemTime();
            st.wYear = (ushort)(getEd.Year);
            st.wMonth = (ushort)getEd.Month;
            st.wDay = (ushort)getEd.Day;
            st.wHour = (ushort)(getEd.Hour);
            st.wMinute = (ushort)getEd.Minute;
            st.wSecond = (ushort)getEd.Second;
            st.wMiliseconds = (ushort)getEd.Millisecond;
            //bool result = false;
               bool b=  SetLocalTime(ref st);
               MessageBox.Show(b.ToString());
            //SNTPTimeClient.SetLocalTime(ref st);//设置本地时间 
        }

    }
}