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C# Wake On Lan Program
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.Net;
using System.Net.Sockets;
using System.Globalization;
namespace WindowsFormsApplication2
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
WakeFunction("AA:EE:CC:DD:FF"); //change me
}
//we derive our class from a standart one
public class WOLClass : UdpClient
{
public WOLClass() : base()
{ }
//this is needed to send broadcast packet
public void SetClientToBrodcastMode()
{
if (this.Active)
this.Client.SetSocketOption(SocketOptionLevel.Socket,
SocketOptionName.Broadcast, 0);
}
}
//now use this class
//MAC_ADDRESS should look like '013FA049'
private void WakeFunction(string MAC_ADDRESS)
{
WOLClass client = new WOLClass();
client.Connect(new
IPAddress(0xffffffff), //255.255.255.255 i.e broadcast
0x2fff); // port=12287 let's use this one
client.SetClientToBrodcastMode();
//set sending bites
int counter = 0;
//buffer to be send
byte[] bytes = new byte[1024]; // more than enough :-)
//first 6 bytes should be 0xFF
for (int y = 0; y < 6; y++)
bytes[counter++] = 0xFF;
//now repeate MAC 16 times
for (int y = 0; y < 16; y++)
{
int i = 0;
for (int z = 0; z < 6; z++)
{
bytes[counter++] =
byte.Parse(MAC_ADDRESS.Substring(i, 2), NumberStyles.HexNumber);
i += 2;
}
}
//now send wake up packet
int reterned_value = client.Send(bytes, 1024);
}
}
}
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