2D Graphics C#

/*
Professional Windows GUI Programming Using C#
by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, 
   Zach Greenvoss, Shripad Kulkarni, Neil Whitlow
Publisher: Peer Information
ISBN: 1861007663
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Text; // InstalledFontCollection
namespace FontFamylies
{
    /// 
    /// Summary description for FontFamylies.
    /// 

    public class FontFamylies : System.Windows.Forms.Form
    {
        private System.Windows.Forms.ComboBox comboBox1;
        /// 
        /// Required designer variable.
        /// 

        private System.ComponentModel.Container components = null;
        FontFamily[] iFCF;
        ArrayList iFCFN;
        public FontFamylies()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();
            
            this.Text = "Installed Font Families";
            iFCF = null;                // fontfamilies
            iFCFN = new ArrayList();    // strings
            
            iFCF = InstalledFontFamilies(iFCFN);
            this.comboBox1.Sorted = true;
            this.comboBox1.DataSource = iFCFN;  //set the combo's data source
            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }
        /// 
        /// Clean up any resources being used.
        /// 

        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }
        #region Windows Form Designer generated code
        /// 
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// 

        private void InitializeComponent()
        {
            this.comboBox1 = new System.Windows.Forms.ComboBox();
            this.SuspendLayout();
            // 
            // comboBox1
            // 
            this.comboBox1.Name = "comboBox1";
            this.comboBox1.Size = new System.Drawing.Size(121, 21);
            this.comboBox1.TabIndex = 0;
            this.comboBox1.Text = "comboBox1";
            // 
            // FontFamylies
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(292, 266);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.comboBox1});
            this.Name = "FontFamylies";
            this.Text = "FontFamylies";
            this.ResumeLayout(false);
        }
        #endregion
        /// 
        /// The main entry point for the application.
        /// 

        [STAThread]
        static void Main() 
        {
            Application.Run(new FontFamylies());
        }
        private FontFamily[] InstalledFontFamilies(ArrayList iFCFN)
        {
            InstalledFontCollection iFC = new InstalledFontCollection();
            foreach(FontFamily ff in iFC.Families)
                iFCFN.Add(ff.Name);
            return iFC.Families;
        }
        protected override void OnPaint(PaintEventArgs pea)
        {
            Graphics g = pea.Graphics;
            int wi = 150, hi = 12, rectNb = 4;
            this.Width = (wi + 2)*rectNb + 9;
            int iFCFNb = iFCF.Length;
            DisplayInstalledFontFamilies(g, iFCFNb, wi, hi, rectNb);
            g.Dispose();
        }
        private void DisplayInstalledFontFamilies(Graphics g, int iFCFNb, int wi,
            int hi, int rectNb)
        {
            Rectangle rec;
            Pen p = new Pen(this.ForeColor);
            Brush b = null;
            Font f;
            StringFormat strfmt = new StringFormat();
            strfmt.LineAlignment = strfmt.Alignment = StringAlignment.Near;
            int x, y;
            for (int i = 0; i < iFCFNb; i++)
            {
                x = (int)(i % rectNb);
                y = (int)(i / rectNb);
                rec = new Rectangle(1 + x*(2 + wi), 25 + y*(2 + hi), wi, hi);
                g.DrawRectangle(p, rec);
                try
                {
                    f = new Font(iFCF[i], 8, FontStyle.Regular, GraphicsUnit.Point);
                }
                catch
                {
                    // some fonts do not support Regular style
                    f = new Font("Arial", 8, FontStyle.Strikeout, GraphicsUnit.Point);
                }
                b  = new SolidBrush(Color.Black);
                g.DrawString((string)iFCFN[i], f, b, rec, strfmt);
            }
            p.Dispose();    b.Dispose();
        }
    }
}