using System;

using System.Diagnostics;

using System.ComponentModel;

​

namespace MyProcessSample

{

        public static class WindowHelper

        {

            public static void BringProcessToFront(Process process)

            {

                IntPtr handle = process.MainWindowHandle;

                if (IsIconic(handle))

                {

                    ShowWindow(handle, SW_RESTORE);

                }

​

                SetForegroundWindow(handle);

            }

​

            const int SW_RESTORE = 9;

​

            [System.Runtime.InteropServices.DllImport("User32.dll")]

            private static extern bool SetForegroundWindow(IntPtr handle);

            [System.Runtime.InteropServices.DllImport("User32.dll")]

            private static extern bool ShowWindow(IntPtr handle, int nCmdShow);

            [System.Runtime.InteropServices.DllImport("User32.dll")]

            private static extern bool IsIconic(IntPtr handle);

        }

        class MyProcess

        {

            public static void Main(string[] args)

            {

                foreach(string arg in args)  

                {  

                    Process process = Process.GetProcessById(Int32.Parse(arg));

                    WindowHelper.BringProcessToFront(process);

                }

            }

        }

}

​