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C# Wake On Lan Program
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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.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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