How to display and edit complex data properties in grid columns

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace TypeConverterTest
{
    /// <summary>
    /// Summary description for Form1.
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    {
        private DevExpress.XtraGrid.GridControl gridControl1;
        private DevExpress.XtraGrid.Views.Grid.GridView gridView1;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public Form1()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            Persons persons = new Persons();

            Address address = new Address("Obere Str. 57", "Berlin", "12209");
            persons.Add(new Person("Maria Anderss", address));
            address = new Address("120 Hanover Sq.", "London", "WA1 1DP");
            persons.Add(new Person("Thomas Hardy", address));
            address = new Address("12, rue des Bouchers", "Marseille", "13008");
            persons.Add(new Person("Laurence Lebihan", address));

            gridControl1.DataSource    = persons;
            gridControl1.MainView.PopulateColumns();

            // implentent ConvertFrom, if you wish to edit Address
            DevExpress.XtraGrid.Views.Grid.GridView gridView = gridControl1.MainView as DevExpress.XtraGrid.Views.Grid.GridView;
            DevExpress.XtraGrid.Columns.GridColumn c = gridView.Columns["Address"];
            c.OptionsColumn.ReadOnly = true;
        }

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent() {
            this.gridControl1 = new DevExpress.XtraGrid.GridControl();
            this.gridView1 = new DevExpress.XtraGrid.Views.Grid.GridView();
            ((System.ComponentModel.ISupportInitialize)(this.gridControl1)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.gridView1)).BeginInit();
            this.SuspendLayout();
            // 
            // gridControl1
            // 
            this.gridControl1.Dock = System.Windows.Forms.DockStyle.Fill;
            this.gridControl1.Location = new System.Drawing.Point(0, 0);
            this.gridControl1.MainView = this.gridView1;
            this.gridControl1.Name = "gridControl1";
            this.gridControl1.Size = new System.Drawing.Size(671, 317);
            this.gridControl1.TabIndex = 0;
            this.gridControl1.ViewCollection.AddRange(new DevExpress.XtraGrid.Views.Base.BaseView[] {
            this.gridView1});
            // 
            // gridView1
            // 
            this.gridView1.GridControl = this.gridControl1;
            this.gridView1.Name = "gridView1";
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 15);
            this.ClientSize = new System.Drawing.Size(671, 317);
            this.Controls.Add(this.gridControl1);
            this.Name = "Form1";
            this.Text = "How to display and edit complex data properties in grid columns";
            ((System.ComponentModel.ISupportInitialize)(this.gridControl1)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.gridView1)).EndInit();
            this.ResumeLayout(false);

        }
        #endregion

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new Form1());
        }
    }
}