using System;using System.Windows.Forms;using System.Runtime.InteropServices;using System.Diagnostics;namespace cmdForm { public partial class Form1 : Form {  public Form1() {   InitializeComponent();  }  private void button1_Click(object sender, EventArgs e) {   Process p = new Process();   p.StartInfo.FileName = "cmd.exe ";//notepad.exe   p.Start();   System.Threading.Thread.Sleep(100);   SetParent(p.MainWindowHandle, this.Handle);   ShowWindow(p.MainWindowHandle, 3);  }  [DllImport("User32.dll ", EntryPoint = "SetParent")]  private static extern IntPtr SetParent(IntPtr hWndChild, IntPtr hWndNewParent);  [DllImport("user32.dll ", EntryPoint = "ShowWindow")]  public static extern int ShowWindow(IntPtr hwnd, int nCmdShow); }}