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

namespace BringToFront
{
    public partial class Form1 : Form
    {
        [DllImport("USER32.DLL", CharSet = CharSet.Unicode)]
        public static extern IntPtr FindWindow(String className, String windowName);

        [DllImport("USER32.DLL")]
        public static extern bool SetForegroundWindow(IntPtr hWnd);

        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                bringToFront(comboBox1.SelectedItem.ToString());
            }
            catch
            {
                MessageBox.Show("Please choose a Process Name");
            }
        }

        public static void bringToFront(string title)
        {
            IntPtr handle = FindWindow(null, title);
            if (handle == IntPtr.Zero)
            {
                return;
            }
            SetForegroundWindow(handle);
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            if (checkBox1.Checked)
            {
                    bringToFront(comboBox1.SelectedItem.ToString());
            }
        }

        private void comboBox1_Click(object sender, EventArgs e)
        {
            comboBox1.Items.Clear();
            Process[] process = Process.GetProcesses();
            foreach (Process processes in process)
            {
                if (!String.IsNullOrEmpty(processes.MainWindowTitle))
                    comboBox1.Items.Add(processes.ProcessName);
            }
        }
    }
}