C# ครับ จะเขียน launched เกม Minecraft ครับ แต่ ไม่รู้จะทำยังไง

[DllImport("user32.dll")]
        static extern IntPtr SetParent(IntPtr hWndChild, IntPtr hWndNewParent);

var clientApplication = Process.Start("Minecraft.exe");

SetParent(clientApplication.MainWindowHandle, Process.GetCurrentProcess.Handle);

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.Runtime.InteropServices;

namespace WindowsFormsApplication4
{
    public partial class Form1 : Form
    {
        [DllImport("user32.dll")]
        static extern IntPtr SetParent(IntPtr hWndChild, IntPtr hWndNewParent);

        [DllImport("user32.dll", SetLastError = true)]
        public static extern bool MoveWindow(IntPtr hWnd, int X, int Y, int nWidth, int nHeight, bool bRepaint);

        private Process pDocked;
        private IntPtr hWndDocked;
        private IntPtr hWndOriginalParent;

        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            pDocked = Process.Start(@"notepad");

            while (hWndDocked == IntPtr.Zero)
            {
                pDocked.WaitForInputIdle(1000); //wait for the window to be ready for input;
                pDocked.Refresh();              //update process info
                if (pDocked.HasExited)
                {
                    return; //abort if the process finished before we got a handle.
                }
                hWndDocked = pDocked.MainWindowHandle;  //cache the window handle
            }

            hWndOriginalParent = SetParent(hWndDocked, panel1.Handle);

            //Wire up the event to keep the window sized to match the control
            panel1.SizeChanged += new EventHandler(Panel1_Resize);
            //Perform an initial call to set the size.
            Panel1_Resize(new Object(), new EventArgs());
        }

        private void undockIt()
        {
            //Restores the application to it's original parent.
            SetParent(hWndDocked, hWndOriginalParent);
        }

        private void Panel1_Resize(object sender, EventArgs e)
        {
            //Change the docked windows size to match its parent's size. 
            MoveWindow(hWndDocked, 0, 0, panel1.Width, panel1.Height, true);
        }
    }
}