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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Net;
using System.Net.Sockets;
namespace zaman_guncelle
{
public partial class Form1 : Form
{
int sayac = 0;
[DllImport("kernel32.dll")]
public extern static uint SetSystemTime(ref SYSTEMTIME lpSystemTime);
[StructLayout(LayoutKind.Sequential)]
public struct SYSTEMTIME
{
public short Year;
public short Month;
public short DayOfWeek;
public short Day;
public short Hour;
public short Minute;
public short Second;
public short Milliseconds;
}
public Form1()
{
InitializeComponent();
guncelle();
timer1.Start();
}
void guncelle()
{
SYSTEMTIME zaman = new SYSTEMTIME();
zaman.Day = (short)(GetNetworkTime().Day);
zaman.Month = (short)(GetNetworkTime().Month);
zaman.Year = (short)(GetNetworkTime().Year);
zaman.Hour = (short)(GetNetworkTime().Hour);
zaman.Minute = (short)(GetNetworkTime().Minute);
zaman.Second = (short)(GetNetworkTime().Second);
zaman.Milliseconds = (short)(GetNetworkTime().Millisecond);
SetSystemTime(ref zaman);
textBox1.Text = GetNetworkTime().ToString();
}
public static DateTime GetNetworkTime()
{
const string ntpServer = "0.tr.pool.ntp.org";
var ntpData = new byte[48];
ntpData[0] = 0x1B; //LeapIndicator = 0 (no warning), VersionNum = 3 (IPv4 only), Mode = 3 (Client Mode)
var addresses = Dns.GetHostEntry(ntpServer).AddressList;
var ipEndPoint = new IPEndPoint(addresses[0], 123);
var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket.Connect(ipEndPoint);
socket.Send(ntpData);
socket.Receive(ntpData);
socket.Close();
ulong intPart = (ulong)ntpData[40] << 24 | (ulong)ntpData[41] << 16 | (ulong)ntpData[42] << 8 | (ulong)ntpData[43];
ulong fractPart = (ulong)ntpData[44] << 24 | (ulong)ntpData[45] << 16 | (ulong)ntpData[46] << 8 | (ulong)ntpData[47];
var milliseconds = (intPart * 1000) + ((fractPart * 1000) / 0x100000000L);
var networkDateTime = (new DateTime(1900, 1, 1)).AddMilliseconds((long)milliseconds);
return networkDateTime;
}
private void timer1_Tick(object sender, EventArgs e)
{
sayac++;
if (sayac%30==0)
{
guncelle();
}
}
}
}
evet.
Marka model nedir ?
