From FindWindow(), This Application is Detected!! The KeyWord is Below String

using System;
using System.Windows.Forms;
using System.Text;
using System.Runtime.InteropServices;


namespace RecvPackage
{
public class Program : Form
{
public const int WM_COPYDATA=0x004A;

public struct COPYDATASTRUCT
{
public IntPtr dwData;
public int cbData;
public IntPtr lpData;
}

public Program()
{
//From FindWindow(), This Application is Detected!!
//From FindWindow(), This Application is Detected!! //The KeyWord is Below String,,,,,
this.Text = "RecvSendDataMonitoring";
}

protected override void WndProc(ref Message m)
{
base.WndProc(ref m);
try
{
switch(m.Msg)
{
case WM_COPYDATA :
COPYDATASTRUCT cds = (COPYDATASTRUCT)m.GetLParam(typeof(COPYDATASTRUCT));
byte[] recvData = new byte[cds.cbData];
Marshal.Copy(cds.lpData, recvData, 0, cds.cbData);
Console.WriteLine(Encoding.Default.GetString(recvData));

break;
}
}
catch(Exception ex)
{
Console.WriteLine(ex.Message);
}
}

public static void Main(string[] args)
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Program());
}
}//end of class
}//end of namespace