C#

using System.Diagnostics; //needed for process
string strCmdLine; //string to hold your command
strCmdLine = "Net Send "+textBox1.Text + " " +textBox2.Text; //make your cmnd
Process.Start("CMD.exe",strCmdLine); // execute your command
process1.Close(); //close the process

<br />
Process p = new Process();<br />
p.StartInfo.FileName = "net.exe";<br />
p.StartInfo.Arguments = " send " + strTo + " " + message + " ";<br />
p.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;<br />
Process.Start("net.exe",p.StartInfo.Arguments);<br />
p.Close();<br />

using System;<br />
using System.Runtime.InteropServices;<br />
<br />
namespace MyNetSend<br />
public class MyNetSend<br />
{<br />
   [DllImport("NETAPI32.dll", ExactSpelling = true, CharSet=CharSet.Unicode)]<br />
   public static extern Int32 NetMessageBufferSend (string   serverName, string msgName, string fromName, string buf, Int32 bufLen);<br />
<br />
   public SendNetSendMsg ()<br />
   {<br />
      string message = "this is a test message";<br />
      string userId = "auser"; // change to real user id.<br />
      NetMessageBufferSend (null, userId, null, message, message.Length * 2);<br />
   }<br />
}

updateTimer = new System.Timers.Timer();
updateTimer.Elapsed +=new ElapsedEventHandler(UDP_ready);
updateTimer.Interval = 1000;
updateTimer.Start();

public void UDP_ready(Object source, ElapsedEventArgs e)
{
	// Form cannot be updated directly from UDP since it is a different thread.
	// So, invoke the update of the form via a delegate
	BeginInvoke(new UDPHandler(UDPReadyHandler));
}

public delegate void UDPHandler();
		
public void UDPReadyHandler()
{
	// do all your datagrid code here.......
}

DataTable myTable;
DataSet mySet;
FillTableHeaders();
mySet.Tables.Add(myTable);

Thread theadTest = new Thread(new ThreadStart(GetData));
threadTest.Start();

void GetData()
{ FillTableThruUDPConnection();
  dataGrid1.SetDataBinding(mySet,"ParentTable");
}

using System;

namespace ConsoleApplication1
{
	class Class1
	{
		[STAThread]
		static void Main(string[] args)
		{
		    int int1 = 3;      
			int int2 = 1000;      
			byte[] b = new byte[16]; 
			byte[] b2 = BitConverter.GetBytes(int1);
			byte[] b3 = BitConverter.GetBytes(int2);
			Buffer.BlockCopy(b2, 0, b, 0, b2.Length);
			Buffer.BlockCopy(b3, 0, b, 12, 4);
		}
	}
}