C# Running Process List

using System;
using System.Windows.Forms;
using System.Diagnostics;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Process[] process = Process.GetProcesses();

            foreach (Process prs in process)
            {
                listBox1.Items.Add(prs.ProcessName + "         (" + prs.PrivateMemorySize64.ToString()+ ")");
            }
        }
    }
}