Sample code for 30+ languages & platforms
C#

Send a Wake-on-LAN Magic Packet

See more Socket/SSL/TLS Examples

Demonstrates Socket.SendWakeOnLan, which sends a Wake-on-LAN magic packet for a MAC address to a UDP broadcast address and port.

Background. The MAC address is six bytes written as hexadecimal. Wake-on-LAN wakes a powered-down machine on the local network that has the feature enabled.

Chilkat C# Downloads

C#
bool success = false;

Chilkat.Socket socket = new Chilkat.Socket();

//  Send a Wake-on-LAN magic packet to wake a machine by its MAC address.  The MAC is six bytes
//  written as hexadecimal, and the packet is sent to the UDP broadcast address and port.
success = socket.SendWakeOnLan("000102030405",9,"255.255.255.255");
if (success == false) {
    Debug.WriteLine(socket.LastErrorText);
    return;
}

Debug.WriteLine("Wake-on-LAN packet sent.");