C#窗体内嵌外部程序(cmd.exe)的显示

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);   
 
private void button3_Click(object sender, EventArgs e)   
 
        {   
  
            Process p = new Process();   
  
            p.StartInfo.FileName = "cmd.exe ";   
 
            p.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Minimized;//加上这句效果更好    
  
           p.Start();   
 
           System.Threading.Thread.Sleep(100);//加上，100如果效果没有就继续加大     
    
            SetParent(p.MainWindowHandle, panel1.Handle); //panel1.Handle为要显示外部程序的容器   
 
          ShowWindow(p.MainWindowHandle, 3);   
  
        } 

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