Csharp/C Sharp/2D Graphics

• Ani File
• Animation
• Arrow
• Bitmap
• Blend
• Brush
• Clip
• Color
• Color Matrix
• Coordiate
• Curve
• Dash Pen
• Double Buffer
• Drag and Draw
• Ellipse
• FillMode
• Gif Animation
• Gradient
• Graphics
• Graphics File
• Graphics Unit
• Hatch Brush
• Icon Image
• Image
• Image Decoder
• ImageAttributes
• Interpolation Mode
• JPG
• Line
• Line Cap
• Line Join
• LinearGradientBrush
• Matrix
• Mouse Draw
• Path
• PathGradientBrush
• Pens
• Pie
• Pixel
• Point
• Polygon
• Rectangle
• Region
• Region Clip
• Rotate
• Scale
• Screen
• Scrolling
• Smooth Paint
• Smoothing Mode
• SolidBrush
• String Format
• StringAlignment
• StringTrmming
• SystemBrushes
• SystemColors
• SystemPens
• Text
• Text Justify
• Text Rendering
• Texture
• Transform
• wmf file

Calculate font unit metrics from the font family

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);
      FontFamily ff = new FontFamily("Times New Roman");
      float emSizeInGU = 24f;
      Font f = new Font(ff, emSizeInGU);
      // Get the design unit metrics from the font family
      int emSizeInDU = ff.GetEmHeight(FontStyle.Regular);
      int ascentInDU = ff.GetCellAscent(FontStyle.Regular);
      int descentInDU = ff.GetCellDescent(FontStyle.Regular);
      int lineSpacingInDU = ff.GetLineSpacing(FontStyle.Regular);
      // Calculate the GraphicsUnit metrics from the font
      float ascentInGU = ascentInDU * (emSizeInGU / emSizeInDU);
      float descentInGU = descentInDU * (emSizeInGU / emSizeInDU);
      float lineSpacingInGU = lineSpacingInDU * (emSizeInGU / emSizeInDU);
      // Output the metrics to the console
      Console.WriteLine("emSize = " + emSizeInDU + " DesignUnits");
      Console.WriteLine("emSize = " + emSizeInGU + " GraphicsUnits");
      string format = "{0,-16}{1,12}{2,16}";
      Console.WriteLine(format, "Font Metric", "DesignUnits", "GraphicsUnits");
      Console.WriteLine(format, "Ascent", ascentInDU, ascentInGU);
      Console.WriteLine(format, "Descent", descentInDU, descentInGU);
      Console.WriteLine(format, "Line Spacing", lineSpacingInDU, lineSpacingInGU);
      // Draw two lines of the text string
      PointF textOrigin = new PointF(20, 20);
      PointF nextLineOrigin = new PointF(textOrigin.X,
                         textOrigin.Y + f.Height);
      g.DrawString("WWW.nfex.ru", f, Brushes.Black, textOrigin);
      g.DrawString("www.nfex.ru", f, Brushes.Black, nextLineOrigin);

    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

Calculate GraphicsUnit metrics from the font

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);
      FontFamily ff = new FontFamily("Times New Roman");
      float emSizeInGU = 24f;
      Font f = new Font(ff, emSizeInGU);
      // Get the design unit metrics from the font family
      int emSizeInDU = ff.GetEmHeight(FontStyle.Regular);
      int ascentInDU = ff.GetCellAscent(FontStyle.Regular);
      int descentInDU = ff.GetCellDescent(FontStyle.Regular);
      int lineSpacingInDU = ff.GetLineSpacing(FontStyle.Regular);
      // Calculate the GraphicsUnit metrics from the font
      float ascentInGU = ascentInDU * (emSizeInGU / emSizeInDU);
      float descentInGU = descentInDU * (emSizeInGU / emSizeInDU);
      float lineSpacingInGU = lineSpacingInDU * (emSizeInGU / emSizeInDU);
      // Output the metrics to the console
      Console.WriteLine("emSize = " + emSizeInDU + " DesignUnits");
      Console.WriteLine("emSize = " + emSizeInGU + " GraphicsUnits");
      string format = "{0,-16}{1,12}{2,16}";
      Console.WriteLine(format, "Font Metric", "DesignUnits", "GraphicsUnits");
      Console.WriteLine(format, "Ascent", ascentInDU, ascentInGU);
      Console.WriteLine(format, "Descent", descentInDU, descentInGU);
      Console.WriteLine(format, "Line Spacing", lineSpacingInDU, lineSpacingInGU);
      // Draw two lines of the text string
      PointF textOrigin = new PointF(20, 20);
      PointF nextLineOrigin = new PointF(textOrigin.X,
                         textOrigin.Y + f.Height);
      g.DrawString("WWW.nfex.ru", f, Brushes.Black, textOrigin);
      g.DrawString("www.nfex.ru", f, Brushes.Black, nextLineOrigin);

    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

Derive surrounding Rectangle from String

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.PageUnit = GraphicsUnit.Inch;
      Pen p = new Pen(Color.Black, 1 / 96f);
      Font f = new Font("Times New Roman", 16);
      String s = "www.nfex.ru";
      SizeF sf = g.MeasureString(s, f);
      g.DrawRectangle(p, 1, 1, sf.Width, sf.Height);
      g.DrawString(s, f, Brushes.Black, 1, 1);
      f.Dispose();
      p.Dispose();
    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

Draw a line for the ascent, descent, baseline, textOrigin

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);
      FontFamily ff = new FontFamily("Times New Roman");
      float emSizeInGU = 24f;
      Font f = new Font(ff, emSizeInGU);
      // Get the design unit metrics from the font family
      int emSizeInDU = ff.GetEmHeight(FontStyle.Regular);
      int ascentInDU = ff.GetCellAscent(FontStyle.Regular);
      int descentInDU = ff.GetCellDescent(FontStyle.Regular);
      int lineSpacingInDU = ff.GetLineSpacing(FontStyle.Regular);
      // Calculate the GraphicsUnit metrics from the font
      float ascentInGU = ascentInDU * (emSizeInGU / emSizeInDU);
      float descentInGU = descentInDU * (emSizeInGU / emSizeInDU);
      float lineSpacingInGU = lineSpacingInDU * (emSizeInGU / emSizeInDU);
      // Draw two lines of the text string
      PointF textOrigin = new PointF(20, 20);
      PointF nextLineOrigin = new PointF(textOrigin.X,
                         textOrigin.Y + f.Height);
      g.DrawString("WWW.nfex.ru", f, Brushes.Black, textOrigin);
      g.DrawString("www.nfex.ru", f, Brushes.Black, nextLineOrigin);
      // Draw a line at the textOrigin
      int lineLen = 300;
      g.DrawLine(Pens.Blue, textOrigin, new PointF(textOrigin.X + lineLen, textOrigin.Y));
      g.DrawLine(Pens.Red, nextLineOrigin, new PointF(nextLineOrigin.X + lineLen, nextLineOrigin.Y));
      // Draw a line at the baseline
      PointF p = new PointF(textOrigin.X, textOrigin.Y + lineSpacingInGU);
      g.DrawLine(Pens.Blue, p, new PointF(p.X + lineLen, p.Y));
      p = new PointF(nextLineOrigin.X, nextLineOrigin.Y + lineSpacingInGU);
      g.DrawLine(Pens.Red, p, new PointF(p.X + lineLen, p.Y));
      // Draw a line at the top of the ascent
      p = new PointF(textOrigin.X, textOrigin.Y + lineSpacingInGU - ascentInGU);
      g.DrawLine(Pens.Blue, p, new PointF(p.X + lineLen, p.Y));
      p = new PointF(nextLineOrigin.X, nextLineOrigin.Y + lineSpacingInGU - ascentInGU);
      g.DrawLine(Pens.Red, p, new PointF(p.X + lineLen, p.Y));
      // Draw a line at the bottom of the descent
      p = new PointF(textOrigin.X, textOrigin.Y + lineSpacingInGU + descentInGU);
      g.DrawLine(Pens.Blue, p, new PointF(p.X + lineLen, p.Y));
      p = new PointF(nextLineOrigin.X, nextLineOrigin.Y + lineSpacingInGU + descentInGU);
      g.DrawLine(Pens.Red, p, new PointF(p.X + lineLen, p.Y));

    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

Draw font cell ascent, cell descent, line space, em height

 
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class Form1 : Form {
    protected override void OnPaint(PaintEventArgs e) {
    Graphics g = e.Graphics;
    g.FillRectangle(Brushes.White, this.ClientRectangle);
    FontFamily ff = new FontFamily("Times New Roman");
    float emSizeInGU = 24f;
      Font f = new Font(ff, emSizeInGU);
    int emSizeInDU = ff.GetEmHeight(FontStyle.Regular);
    int ascentInDU = ff.GetCellAscent(FontStyle.Regular);
    int descentInDU = ff.GetCellDescent(FontStyle.Regular);
    int lineSpacingInDU = ff.GetLineSpacing(FontStyle.Regular);
    float ascentInGU = ascentInDU * (emSizeInGU / emSizeInDU);
    float descentInGU = descentInDU * (emSizeInGU / emSizeInDU);
    float lineSpacingInGU = lineSpacingInDU * (emSizeInGU / emSizeInDU);
    PointF textOrigin = new PointF(20, 20);
    PointF nextLineOrigin = new PointF(textOrigin.X,textOrigin.Y + f.Height);
    g.DrawString("AxgQ", f, Brushes.Black, textOrigin);
    g.DrawString("AxgQ", f, Brushes.Black, nextLineOrigin);
    int lineLen = 100;
    g.DrawLine(Pens.Blue,textOrigin,new PointF(textOrigin.X + lineLen, textOrigin.Y));
    g.DrawLine(Pens.Red,nextLineOrigin,new PointF(nextLineOrigin.X + lineLen, nextLineOrigin.Y));
    PointF p = new PointF(textOrigin.X,textOrigin.Y + lineSpacingInGU);
    g.DrawLine(Pens.Blue, p,new PointF(p.X + lineLen, p.Y));
    p = new PointF(nextLineOrigin.X,nextLineOrigin.Y + lineSpacingInGU);
    g.DrawLine(Pens.Red, p,new PointF(p.X + lineLen, p.Y));
    p = new PointF(textOrigin.X,textOrigin.Y + lineSpacingInGU - ascentInGU);
    g.DrawLine(Pens.Blue, p,new PointF(p.X + lineLen, p.Y));
    p = new PointF(nextLineOrigin.X, nextLineOrigin.Y +lineSpacingInGU - ascentInGU);
    g.DrawLine(Pens.Red, p, new PointF(p.X + lineLen, p.Y));
    p = new PointF(textOrigin.X,textOrigin.Y + lineSpacingInGU + descentInGU);
    g.DrawLine(Pens.Blue, p,new PointF(p.X + lineLen, p.Y));
    p = new PointF(nextLineOrigin.X,nextLineOrigin.Y + lineSpacingInGU + descentInGU);
    g.DrawLine(Pens.Red, p,new PointF(p.X + lineLen, p.Y));
    }
    public static void Main() {
        Application.Run(new Form1());
    }
}

Font Attributes

/*
GDI+ Programming in C# and VB .NET
by Nick Symmonds
Publisher: Apress
ISBN: 159059035X
*/
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Text;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace FontAttr_c
{
    /// <summary>
    /// Summary description for FontAttr.
    /// </summary>
    public class FontAttr : System.Windows.Forms.Form
    {
    private System.Windows.Forms.Button cmdGo;
    private System.Windows.Forms.Panel P1;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ruponentModel.Container components = null;
        public FontAttr()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();
            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }
        /// <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.cmdGo = new System.Windows.Forms.Button();
      this.P1 = new System.Windows.Forms.Panel();
      this.SuspendLayout();
      // 
      // cmdGo
      // 
      this.cmdGo.Location = new System.Drawing.Point(264, 288);
      this.cmdGo.Name = "cmdGo";
      this.cmdGo.Size = new System.Drawing.Size(56, 24);
      this.cmdGo.TabIndex = 0;
      this.cmdGo.Text = "GO";
      this.cmdGo.Click += new System.EventHandler(this.cmdGo_Click);
      // 
      // P1
      // 
      this.P1.AutoScroll = true;
      this.P1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
      this.P1.Location = new System.Drawing.Point(16, 32);
      this.P1.Name = "P1";
      this.P1.Size = new System.Drawing.Size(304, 240);
      this.P1.TabIndex = 1;
      // 
      // FontAttr
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(342, 323);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                  this.P1,
                                                                  this.cmdGo});
      this.MaximizeBox = false;
      this.MinimizeBox = false;
      this.Name = "FontAttr";
      this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
      this.Text = "FontAttr";
      this.Load += new System.EventHandler(this.FontAttr_Load);
      this.ResumeLayout(false);
    }
        #endregion
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new FontAttr());
        }
    private void FontAttr_Load(object sender, System.EventArgs e)
    {
    }
    private void EnumInstalledFonts()
    {
      FontStyle Style;
      int y = 0;
      foreach (FontFamily ff in FontFamily.Families)
      {
        if ( ff.IsStyleAvailable(Style = FontStyle.Regular) )
          AddString(ff, ref y, Style);
        if ( ff.IsStyleAvailable(Style = FontStyle.Bold) )
          AddString(ff, ref y, Style);
        if ( ff.IsStyleAvailable(Style = FontStyle.Italic) )
          AddString(ff, ref y, Style);
        if ( ff.IsStyleAvailable(Style = FontStyle.Strikeout) )
          AddString(ff, ref y, Style);
        if ( ff.IsStyleAvailable(Style = FontStyle.Underline) )
          AddString(ff, ref y, Style);
      }
    }
    private void AddString(FontFamily ff, ref int y, FontStyle Style)
    {
      using ( Font fnt = new Font(ff, 12, Style, GraphicsUnit.Pixel) )
      {
        int LineSpace = (int)(ff.GetLineSpacing(Style) * 
                              fnt.Size / ff.GetEmHeight(Style));
        y += LineSpace + 2;
        PictureBox P = new PictureBox();
        P.Height = LineSpace;
        P.Width = P1.Width;
        Bitmap B = new Bitmap(P.Width, P.Height);
        using (Graphics G = Graphics.FromImage(B))
        {
          G.DrawString(ff.Name + " : Style = " + Style.ToString(), 
                       fnt, Brushes.Black, 0, 0);
        }
        P.Image=B;
        P1.Controls.Add(P);
        P1.Controls[P1.Controls.Count-1].Location = new Point(2, y);
        if ( y < P1.Height )
          P1.Refresh();
      }
    }
    private void cmdGo_Click(object sender, System.EventArgs e)
    {
      P1.Controls.Clear();
      EnumInstalledFonts();
    }
    }
}

FontAttr-c.zip( 10 k)</a>

FontFamilies: IsStyleAvailable,

 
using System;
using System.Drawing;
using System.Drawing.Text;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
class FamiliesList : Form {
    const int iPointSize = 12;
    public static void Main() {
        Application.Run(new FamiliesList());
    }
    public FamiliesList() {
        Text = "Font Families List";
        ResizeRedraw = true;
    }
    protected override void OnPaint(PaintEventArgs pea) {
        DoPage(pea.Graphics, ForeColor, ClientSize.Width, ClientSize.Height);
    }
    protected void DoPage(Graphics grfx, Color clr, int cx, int cy) {
        Brush brush = new SolidBrush(clr);
        float x = 0, y = 0, fMaxWidth = 0;
        FontCollection fc = new InstalledFontCollection();
        FontFamily[] aff = fc.Families;
        foreach (FontFamily ff in aff) {
            Font font = CreateSampleFont(ff, iPointSize);
            SizeF sizef = grfx.MeasureString(ff.Name, font);
            fMaxWidth = Math.Max(fMaxWidth, sizef.Width);
        }
        foreach (FontFamily ff in aff) {
            Font font = CreateSampleFont(ff, iPointSize);
            float fHeight = font.GetHeight(grfx);
            if (y > 0 && y + fHeight > cy) {
                x += fMaxWidth;
                y = 0;
            }
            grfx.DrawString(ff.Name, font, brush, x, y);
            y += fHeight;
        }
    }
    Font CreateSampleFont(FontFamily ff, float fPointSize) {
        if (ff.IsStyleAvailable(FontStyle.Regular))
            return new Font(ff, fPointSize);
        else if (ff.IsStyleAvailable(FontStyle.Bold))
            return new Font(ff, fPointSize, FontStyle.Bold);
        else if (ff.IsStyleAvailable(FontStyle.Italic))
            return new Font(ff, fPointSize, FontStyle.Italic);
        else
            return Font;
    }
}

Font Famylies

/*
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.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Text; // InstalledFontCollection
namespace FontFamylies
{
    /// <summary>
    /// Summary description for FontFamylies.
    /// </summary>
    public class FontFamylies : System.Windows.Forms.Form
    {
        private System.Windows.Forms.ruboBox comboBox1;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ruponentModel.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.ruboBox1.Sorted = true;
            this.ruboBox1.DataSource = iFCFN;  //set the combo"s data source
            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }
        /// <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.ruboBox1 = new System.Windows.Forms.ruboBox();
            this.SuspendLayout();
            // 
            // comboBox1
            // 
            this.ruboBox1.Name = "comboBox1";
            this.ruboBox1.Size = new System.Drawing.Size(121, 21);
            this.ruboBox1.TabIndex = 0;
            this.ruboBox1.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.ruboBox1});
            this.Name = "FontFamylies";
            this.Text = "FontFamylies";
            this.ResumeLayout(false);
        }
        #endregion
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [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();
        }
    }
}

Font Metrics

/*
GDI+ Programming in C# and VB .NET
by Nick Symmonds
Publisher: Apress
ISBN: 159059035X
*/
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Text;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace FontMetrics_c
{
    /// <summary>
    /// Summary description for FontMetrics.
    /// </summary>
    public class FontMetrics : System.Windows.Forms.Form
    {
    private System.Windows.Forms.Button cmdRoman;
    private System.Windows.Forms.Button cmdArial;
    private System.Windows.Forms.Button cmdComic;
    private System.Windows.Forms.Button cmdCourier;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ruponentModel.Container components = null;
        public FontMetrics()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();
            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }
        /// <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.cmdRoman = new System.Windows.Forms.Button();
      this.cmdArial = new System.Windows.Forms.Button();
      this.cmdComic = new System.Windows.Forms.Button();
      this.cmdCourier = new System.Windows.Forms.Button();
      this.SuspendLayout();
      // 
      // cmdRoman
      // 
      this.cmdRoman.Location = new System.Drawing.Point(8, 240);
      this.cmdRoman.Name = "cmdRoman";
      this.cmdRoman.Size = new System.Drawing.Size(104, 24);
      this.cmdRoman.TabIndex = 0;
      this.cmdRoman.Text = "Times Roman";
      this.cmdRoman.Click += new System.EventHandler(this.cmdRoman_Click);
      // 
      // cmdArial
      // 
      this.cmdArial.Location = new System.Drawing.Point(128, 240);
      this.cmdArial.Name = "cmdArial";
      this.cmdArial.Size = new System.Drawing.Size(104, 24);
      this.cmdArial.TabIndex = 1;
      this.cmdArial.Text = "Arial Black";
      this.cmdArial.Click += new System.EventHandler(this.cmdArial_Click);
      // 
      // cmdComic
      // 
      this.cmdComic.Location = new System.Drawing.Point(248, 240);
      this.cmdComic.Name = "cmdComic";
      this.cmdComic.Size = new System.Drawing.Size(104, 24);
      this.cmdComic.TabIndex = 2;
      this.cmdComic.Text = "Comic Sans MS";
      this.cmdComic.Click += new System.EventHandler(this.cmdComic_Click);
      // 
      // cmdCourier
      // 
      this.cmdCourier.Location = new System.Drawing.Point(368, 240);
      this.cmdCourier.Name = "cmdCourier";
      this.cmdCourier.Size = new System.Drawing.Size(104, 24);
      this.cmdCourier.TabIndex = 3;
      this.cmdCourier.Text = "Courier New";
      this.cmdCourier.Click += new System.EventHandler(this.cmdCourier_Click);
      // 
      // FontMetrics
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(492, 273);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                  this.cmdCourier,
                                                                  this.cmdComic,
                                                                  this.cmdArial,
                                                                  this.cmdRoman});
      this.MaximizeBox = false;
      this.MinimizeBox = false;
      this.Name = "FontMetrics";
      this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
      this.Text = "FontMetrics";
      this.Load += new System.EventHandler(this.FontMetrics_Load);
      this.ResumeLayout(false);
    }
        #endregion
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new FontMetrics());
        }
    private void FontMetrics_Load(object sender, System.EventArgs e)
    {
    
    }
    private void DisplayFontMetrics(FontFamily ff, Font fnt)
    {
      //Create graphics object and make it pretty
      Graphics G = this.CreateGraphics();
      G.SmoothingMode=SmoothingMode.AntiAlias;
      G.TextRenderingHint=TextRenderingHint.AntiAlias;
      //Get some metrics
      int LineSpace = (int)(ff.GetLineSpacing(fnt.Style)*
                            fnt.Size/ff.GetEmHeight(fnt.Style));
      int Descent = (int)(ff.GetCellDescent(fnt.Style)*
                            fnt.Size/ff.GetEmHeight(fnt.Style));
      int Ascent = (int)(ff.GetCellAscent(fnt.Style)*
                            fnt.Size/ff.GetEmHeight(fnt.Style));
      //Create the base line to sit the text on
      Point BaseLineStart = new Point ( 15, this.Height*3/5);
      Point BaseLineEnd = new Point ( this.Width-15, this.Height*3/5);
      //Top left corner of text is the ascent
      Point StringPoint = new Point(75, (int)(BaseLineStart.Y-Ascent));
      //Clear the screen and draw the string on a base line
      G.Clear(Color.AliceBlue);
      G.DrawString("A j Q", fnt, Brushes.Blue, StringPoint);
      G.DrawLine(Pens.Black, BaseLineStart, BaseLineEnd);
      //Draw the annotation lines 
      Size LineSize = new Size(0, LineSpace);
      Size AscentSize = new Size(0, Ascent);
      Size DescentSize = new Size(0, Descent);
      G.DrawLine(Pens.Black, BaseLineStart-LineSize, BaseLineEnd-LineSize);
      G.DrawLine(Pens.Red, BaseLineStart-AscentSize, BaseLineEnd-AscentSize);
      G.DrawLine(Pens.DarkGreen, BaseLineStart+DescentSize, 
                                 BaseLineEnd+DescentSize);
      //Annotate
      Font AnnoFont = new Font("Arial", 10);
      G.DrawString("Line Space = " + LineSpace.ToString(), AnnoFont, 
        Brushes.Black, 
        20,
        (int)(BaseLineStart.Y-LineSpace-12));
      G.DrawString("Ascent = " + Ascent.ToString(), AnnoFont, 
        Brushes.Red, 
        250,
        (int)(BaseLineStart.Y-Ascent-12));
      G.DrawString("Descent = " + Descent.ToString(), AnnoFont, 
        Brushes.DarkGreen, 
        350,
        (int)(BaseLineStart.Y+Descent/8));
    }
    private void cmdRoman_Click(object sender, System.EventArgs e)
    {
      FontFamily ff = new FontFamily("Times New Roman");
      Font f = new Font(ff, 75, FontStyle.Regular, GraphicsUnit.Pixel);
      DisplayFontMetrics(ff, f);
    }
    private void cmdArial_Click(object sender, System.EventArgs e)
    {
      FontFamily ff = new FontFamily("Arial Black");
      Font f = new Font(ff, 75, FontStyle.Regular, GraphicsUnit.Pixel);
      DisplayFontMetrics(ff, f);
    }
    private void cmdComic_Click(object sender, System.EventArgs e)
    {
      FontFamily ff = new FontFamily("Comic Sans MS");
      Font f = new Font(ff, 75, FontStyle.Regular, GraphicsUnit.Pixel);
      DisplayFontMetrics(ff, f);
    }
    private void cmdCourier_Click(object sender, System.EventArgs e)
    {
      FontFamily ff = new FontFamily("Courier New");
      Font f = new Font(ff, 75, FontStyle.Regular, GraphicsUnit.Pixel);
      DisplayFontMetrics(ff, f);
    }
    }
}

Fonts Class

/*
GDI+ Programming in C# and VB .NET
by Nick Symmonds
Publisher: Apress
ISBN: 159059035X
*/
using System;
using System.Drawing;
using System.Drawing.Text;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace FontsClass_c
{
    /// <summary>
    /// Summary description for FontsClass.
    /// </summary>
    public class FontsClass : System.Windows.Forms.Form
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ruponentModel.Container components = null;
        public FontsClass()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();
            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }
        /// <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()
        {
      // 
      // FontsClass
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 323);
      this.MaximizeBox = false;
      this.MinimizeBox = false;
      this.Name = "FontsClass";
      this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
      this.Text = "FontsClass";
      this.Load += new System.EventHandler(this.FontsClass_Load);
    }
        #endregion
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new FontsClass());
        }
    private void FontsClass_Load(object sender, System.EventArgs e)
    {
    }
    protected override void OnPaint(PaintEventArgs e)
    {
      Graphics G = e.Graphics;
      G.TextRenderingHint=TextRenderingHint.AntiAlias;
      int y = 0;
      G.DrawString("Regular", Fonts.Arial_20, Brushes.Black, 50, y+=40);
      G.DrawString("Italic", Fonts.ArialItalic_20, Brushes.Black, 50, y+=40);
      G.DrawString("Regular", Fonts.Chain_20, Brushes.Black, 50, y+=40);
      G.DrawString("Italic", Fonts.ChainItalic_20, Brushes.Black, 50, y+=40);
      G.DrawString("Regular", Fonts.ruic_20, Brushes.Black, 50, y+=40);
      G.DrawString("Italic", Fonts.ruicItalic_20, Brushes.Black, 50, y+=40);
    }
    }
    public sealed class Fonts
    {
    private static PrivateFontCollection PFC;
    private static FontFamily Arial_FF;
    private static FontFamily Comic_FF;
    private static FontFamily Chain_FF;
    static Fonts(){
      PFC = new PrivateFontCollection();
      PFC.AddFontFile("C:\\WINNT\\Fonts\\Arial.ttf");
      Arial_FF = PFC.Families[0];
      PFC.AddFontFile("chainletters.ttf");
      Chain_FF = PFC.Families[1];
      PFC.AddFontFile("C:\\WINNT\\Fonts\\comic.ttf");
      Comic_FF = PFC.Families[2];
    }
    public static FontFamily[] Families
    {
      get{ return PFC.Families; }
    }
    #region Arial Font
    public static Font Arial_20
    {
      get {return new Font(Arial_FF, 20, FontStyle.Regular, GraphicsUnit.Point);}
    }
    public static Font ArialItalic_20
    {
      get {return new Font(Arial_FF, 20, FontStyle.Italic, GraphicsUnit.Point);}
    }
    #endregion
    #region Chain font
    public static Font Chain_20
    {
      get {return new Font(Chain_FF, 20, FontStyle.Regular, GraphicsUnit.Point);}
    }
    public static Font ChainItalic_20
    {
      get {return new Font(Chain_FF, 20, FontStyle.Italic, GraphicsUnit.Point);}
    }
    #endregion
    #region Comic Font
    public static Font Comic_20
    {
      get {return new Font(Comic_FF, 20, FontStyle.Regular, GraphicsUnit.Point);}
    }
    public static Font ComicItalic_20
    {
      get {return new Font(Comic_FF, 20, FontStyle.Italic, GraphicsUnit.Point);}
    }
    #endregion
    }
}

FontsClass-c.zip( 32 k)</a>

Font size, name and strike out

using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
   public class UsingFonts : System.Windows.Forms.Form
   {
      private System.ruponentModel.Container components = null;
      public UsingFonts()
      {
         InitializeComponent();
      }
      private void InitializeComponent()
      {
         this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
         this.ClientSize = new System.Drawing.Size(504, 109);
         this.Name = "UsingFonts";
         this.Text = "UsingFonts";
      }
      static void Main() 
      {
         Application.Run( new UsingFonts() );
      }
      protected override void OnPaint(PaintEventArgs paintEvent )
      {
         Graphics graphicsObject = paintEvent.Graphics;
         SolidBrush brush = new SolidBrush( Color.DarkBlue );
         // arial, 12 pt bold
         FontStyle style = FontStyle.Bold;
         Font arial = new Font( new FontFamily( "Arial" ), 12, style );
         // times new roman, 12 pt regular
         style = FontStyle.Regular;
         Font timesNewRoman = new Font( "Times New Roman", 12, style );
         // courier new, 16 pt bold and italic
         style = FontStyle.Bold | FontStyle.Italic;
         Font courierNew = new Font( "Courier New", 16, style );
         // tahoma, 18 pt strikeout
         style = FontStyle.Strikeout;
         Font tahoma = new Font( "Tahoma", 18, style );
         graphicsObject.DrawString( arial.Name + 
            " 12 point bold.", arial, brush, 10, 10 );
         graphicsObject.DrawString( timesNewRoman.Name + 
            " 12 point plain.", timesNewRoman, brush, 10, 30 );
         graphicsObject.DrawString( courierNew.Name + 
            " 16 point bold and italic.", courierNew, 
            brush, 10, 54 );
         graphicsObject.DrawString( tahoma.Name +
            " 18 point strikeout.", tahoma, brush, 10, 75 );
      } 
   }

Font Style: Bold

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "Pen Cap App";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);
      Font font = new Font("Times New Roman", 12, FontStyle.Bold);
      g.DrawString("Bold", font, Brushes.Black, 0, 0);
      font.Dispose();
    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

Font Style: Bold and Italic

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "Pen Cap App";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);
      Font font = new Font("Times New Roman", 12, FontStyle.Bold | FontStyle.Italic);
      g.DrawString("Bold-Italic", font, Brushes.Black, 0, 0);
      font.Dispose();
    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

Font Style: Bold and Strikeout

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "Pen Cap App";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);
      Font font= new Font("Times New Roman", 12, FontStyle.Bold | FontStyle.Strikeout);
      
      g.DrawString("Bold & Strikeout", font, Brushes.Black, 0, 0);
      font.Dispose();
    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

Font Style: Italic

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "Pen Cap App";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);
      Font font = new Font("Times New Roman", 12, FontStyle.Italic);
      g.DrawString("Italic", font, Brushes.Black, 0, 0);
      font.Dispose();
    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

Font Style: Regular

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "Pen Cap App";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);
      Font font = new Font("Times New Roman", 12, FontStyle.Regular);
      int h = font.Height;
      g.DrawString("Regular", font, Brushes.Black, 0, 0);
      font.Dispose();
    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

Font Style: Strike out

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "Pen Cap App";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);
      Font font  = new Font("Times New Roman", 12, FontStyle.Strikeout);
      
      g.DrawString("Strikeout", font, Brushes.Black, 0, 0);
      font.Dispose();
    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

Font Style: Underline

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "Pen Cap App";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);
      Font font = new Font("Times New Roman", 12, FontStyle.Underline);
      
      g.DrawString("Underline", font, Brushes.Black, 0, 0);
      font.Dispose();
    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

Font Viewer

/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald
Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using Microsoft.Win32;
namespace FontViewer
{
    /// <summary>
    /// Summary description for Form1.
    /// </summary>
    public class FontViewer : System.Windows.Forms.Form
    {
        private System.Windows.Forms.GroupBox groupBox1;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.ruboBox lstFonts;
        private System.Windows.Forms.StatusBar statusBar;
        private System.Windows.Forms.StatusBarPanel panel;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ruponentModel.Container components = null;
        public FontViewer()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();
            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }
        /// <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()
        {
//          System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(FontViewer));
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            this.label1 = new System.Windows.Forms.Label();
            this.lstFonts = new System.Windows.Forms.ruboBox();
            this.statusBar = new System.Windows.Forms.StatusBar();
            this.panel = new System.Windows.Forms.StatusBarPanel();
            this.groupBox1.SuspendLayout();
            ((System.ruponentModel.ISupportInitialize)(this.panel)).BeginInit();
            this.SuspendLayout();
            // 
            // groupBox1
            // 
            this.groupBox1.Anchor = ((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
                | System.Windows.Forms.AnchorStyles.Right);
            this.groupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                                    this.lstFonts,
                                                                                    this.label1});
            this.groupBox1.Location = new System.Drawing.Point(0, -4);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(632, 40);
            this.groupBox1.TabIndex = 0;
            this.groupBox1.TabStop = false;
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(12, 16);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(80, 12);
            this.label1.TabIndex = 0;
            this.label1.Text = "Choose Font:";
            // 
            // lstFonts
            // 
            this.lstFonts.DropDownStyle = System.Windows.Forms.ruboBoxStyle.DropDownList;
            this.lstFonts.DropDownWidth = 340;
            this.lstFonts.Location = new System.Drawing.Point(100, 12);
            this.lstFonts.Name = "lstFonts";
            this.lstFonts.Size = new System.Drawing.Size(340, 21);
            this.lstFonts.TabIndex = 1;
            this.lstFonts.SelectedIndexChanged += new System.EventHandler(this.lstFonts_SelectedIndexChanged);
            // 
            // statusBar
            // 
            this.statusBar.Location = new System.Drawing.Point(0, 165);
            this.statusBar.Name = "statusBar";
            this.statusBar.Panels.AddRange(new System.Windows.Forms.StatusBarPanel[] {
                                                                                         this.panel});
            this.statusBar.ShowPanels = true;
            this.statusBar.Size = new System.Drawing.Size(632, 20);
            this.statusBar.TabIndex = 1;
            // 
            // panel
            // 
            this.panel.AutoSize = System.Windows.Forms.StatusBarPanelAutoSize.Spring;
            this.panel.Width = 616;
            // 
            // FontViewer
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
            this.ClientSize = new System.Drawing.Size(632, 185);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.statusBar,
                                                                          this.groupBox1});
            this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
//          this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
            this.Name = "FontViewer";
            this.Text = "FontViewer";
            this.Load += new System.EventHandler(this.FontViewer_Load);
            this.Paint += new System.Windows.Forms.PaintEventHandler(this.FontViewer_Paint);
            this.groupBox1.ResumeLayout(false);
            ((System.ruponentModel.ISupportInitialize)(this.panel)).EndInit();
            this.ResumeLayout(false);
        }
        #endregion
        /// <summary>
        /// The FontViewer entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new FontViewer());
        }
        private void FontViewer_Load(object sender, System.EventArgs e)
        {
            System.Drawing.Text.InstalledFontCollection fonts = new System.Drawing.Text.InstalledFontCollection();
            foreach (FontFamily family in fonts.Families)
            {
                lstFonts.Items.Add(family.Name);
            }
            RegistryKey rk;
            rk = Registry.LocalMachine.OpenSubKey("Software\\ProseTech\\FontViewer");
            if (rk != null) this.Text += " - " + rk.GetValue("Customer");

        }
        private void FontViewer_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
        {
            if (lstFonts.Text != "") 
            {
                try
                {
                    e.Graphics.DrawString(lstFonts.Text, new Font(lstFonts.Text, 50), Brushes.Black, 10, 50);
                    statusBar.Panels[0].Text = "";                                                                                                         
                }
                catch (Exception err)
                {
                    statusBar.Panels[0].Text = err.Message;
                }
            }
        }
        private void lstFonts_SelectedIndexChanged(object sender, System.EventArgs e)
        {
            if (lstFonts.Text != "") this.Invalidate();
        }
    }
}

Get font cell ascent, descent, LineSpacing and EmHeight

  using System;
  using System.Drawing;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  public class Test{
    static void Main() {
      FontFamily myFamily = new FontFamily("Verdana");
      Font myFont = new Font(myFamily, 12);
      int fontHeight = myFont.Height;
      Console.WriteLine("Measurements are in GraphicsUnit." + myFont.Unit.ToString());
      Console.WriteLine("The Verdana family.");
      // Print our Family ties...
      Console.WriteLine("Ascent for bold Verdana: " + myFamily.GetCellAscent(FontStyle.Bold));
      Console.WriteLine("Descent for bold Verdana: " + myFamily.GetCellDescent(FontStyle.Bold));
      Console.WriteLine("Line spacing for bold Verdana: " + myFamily.GetLineSpacing(FontStyle.Bold));
      Console.WriteLine("Height for bold Verdana: " + myFamily.GetEmHeight(FontStyle.Bold));
    }
  }

Get font family info

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Test
  {
    static void Main() 
    {
      // Create the format string
      String formatString = "{0,-16}{1,8}{2,9}{3,10}{4,14}";
      // Write the first line of the table
      Console.WriteLine(formatString, "Font Family Name", "Ascent", "Descent",
                      "EmHeight", "Line Spacing");
      // Write font metrics for Courier New font family
      FontFamily ff = new FontFamily("Courier New");
      Console.WriteLine(formatString, ff.GetName(0),
        ff.GetCellAscent(FontStyle.Regular),
        ff.GetCellDescent(FontStyle.Regular),
        ff.GetEmHeight(FontStyle.Regular),
        ff.GetLineSpacing(FontStyle.Regular));
    }
  }

Get font from Font dialog and redraw string

  using System;
  using System.Drawing;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  public class Form1 : System.Windows.Forms.Form
  {
    private System.ruponentModel.Container components;
    private System.Windows.Forms.FontDialog fontDlg;
    private Font currFont;
    public Form1()
    {
      InitializeComponent();
      CenterToScreen();
      fontDlg = new System.Windows.Forms.FontDialog();    
      fontDlg.ShowHelp = true;    
      Text = "Click on me to change the font";
      currFont = new Font("Times New Roman", 12);
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "Form1";
      this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseUp);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {
      Graphics g = e.Graphics;
      g.DrawString("www.nfex.ru...", currFont, 
        new SolidBrush(Color.Black), 0, 0);  
    }
    private void Form1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
    {
      if (fontDlg.ShowDialog() != DialogResult.Cancel)
      {
        currFont = fontDlg.Font;
        Invalidate();
      }
    }
  }

List Fonts

 
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Text;
using System.Text;
using System.Windows.Forms;
public class Form1 : Form {
    public Form1() {
        this.BackColor = Color.White;
    }
    protected override void OnPaint(PaintEventArgs e) {
        int verticalCoordinate = 10;
        Point topLeftCorner;
        InstalledFontCollection insFont = new InstalledFontCollection();
        FontFamily[] families = insFont.Families;
        e.Graphics.TranslateTransform(AutoScrollPosition.X,AutoScrollPosition.Y);
        foreach (FontFamily family in families) {
            if (family.IsStyleAvailable(FontStyle.Regular)) {
                Font f = new Font(family.Name, 10);
                topLeftCorner = new Point(10, verticalCoordinate);
                verticalCoordinate += f.Height;
                e.Graphics.DrawString(family.Name, f, Brushes.Black, topLeftCorner);
                f.Dispose();
            }
        }
    }
    public static void Main() {
        Application.Run(new Form1());
    }
}

Measure Font height and draw surrounding Rectangle

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "Pen Cap App";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.FillRectangle(Brushes.White, this.ClientRectangle);
      FontFamily ff = new FontFamily("Times New Roman");
      Font f = new Font(ff, 30);
      String s = "www.nfex.ru Height: " + f.Height;
      SizeF sf = g.MeasureString(s, f, Int32.MaxValue, StringFormat.GenericTypographic);
      RectangleF r = new RectangleF(0, 0, sf.Width, f.Height);
      g.DrawRectangle(Pens.Black, r.Left, r.Top, r.Width, r.Height);
      g.DrawString(s, f, Brushes.Black, r, StringFormat.GenericTypographic);
      f.Dispose();
    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }

Smoothing Fonts

/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald
Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Drawing.Text;
namespace GDI_Basics
{
    /// <summary>
    /// Summary description for SmoothingFonts.
    /// </summary>
    public class SmoothingFonts : System.Windows.Forms.Form
    {
        internal System.Windows.Forms.Label Label3;
        internal System.Windows.Forms.Label Label2;
        internal System.Windows.Forms.Label Label1;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ruponentModel.Container components = null;
        public SmoothingFonts()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();
            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }
        /// <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.Label3 = new System.Windows.Forms.Label();
            this.Label2 = new System.Windows.Forms.Label();
            this.Label1 = new System.Windows.Forms.Label();
            this.SuspendLayout();
            // 
            // Label3
            // 
            this.Label3.BackColor = System.Drawing.Color.White;
            this.Label3.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            this.Label3.Location = new System.Drawing.Point(272, 168);
            this.Label3.Name = "Label3";
            this.Label3.Size = new System.Drawing.Size(128, 16);
            this.Label3.TabIndex = 5;
            this.Label3.Text = " ClearTypeGridFit";
            // 
            // Label2
            // 
            this.Label2.BackColor = System.Drawing.Color.White;
            this.Label2.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            this.Label2.Location = new System.Drawing.Point(272, 100);
            this.Label2.Name = "Label2";
            this.Label2.Size = new System.Drawing.Size(128, 16);
            this.Label2.TabIndex = 4;
            this.Label2.Text = " AntiAliasGridFit";
            // 
            // Label1
            // 
            this.Label1.BackColor = System.Drawing.Color.White;
            this.Label1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            this.Label1.Location = new System.Drawing.Point(272, 36);
            this.Label1.Name = "Label1";
            this.Label1.Size = new System.Drawing.Size(128, 16);
            this.Label1.TabIndex = 3;
            this.Label1.Text = " SingleBitPerPixelGridFit";
            // 
            // SmoothingFonts
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
            this.ClientSize = new System.Drawing.Size(440, 314);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.Label3,
                                                                          this.Label2,
                                                                          this.Label1});
            this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            this.Name = "SmoothingFonts";
            this.Text = "SmoothingFonts";
            this.Paint += new System.Windows.Forms.PaintEventHandler(this.SmoothingFonts_Paint);
            this.ResumeLayout(false);
        }
        #endregion

        [STAThread]
        static void Main() 
        {
            Application.Run(new SmoothingFonts());
        }
        private void SmoothingFonts_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
        {
            Font TextFont = new Font("Times New Roman", 25, FontStyle.Italic);
            e.Graphics.TextRenderingHint = TextRenderingHint.SingleBitPerPixelGridFit;
            e.Graphics.DrawString("Sample Text", TextFont, Brushes.Black, 20, 20);
            e.Graphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
            e.Graphics.DrawString("Sample Text", TextFont, Brushes.Black, 20, 85);
            e.Graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
            e.Graphics.DrawString("Sample Text", TextFont, Brushes.Black, 20, 150);
        }
    }
}

Write font metrics for Arial font family

 

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class MainClass {
    public static void Main() {
    String formatString = "{0,-16}{1,8}{2,9}{3,10}{4,14}";
    Console.WriteLine(formatString, "Font Family Name", "Ascent", "Descent","EmHeight", "Line Spacing");

    FontFamily ff = new FontFamily("Arial");
    Console.WriteLine(formatString, ff.GetName(0),
      ff.GetCellAscent(FontStyle.Regular),
      ff.GetCellDescent(FontStyle.Regular),
      ff.GetEmHeight(FontStyle.Regular),
      ff.GetLineSpacing(FontStyle.Regular));
    }
}

Write font metrics for Courier New font family

 

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class MainClass {
    public static void Main() {
    String formatString = "{0,-16}{1,8}{2,9}{3,10}{4,14}";
    Console.WriteLine(formatString, "Font Family Name", "Ascent", "Descent","EmHeight", "Line Spacing");
    // Write font metrics for Courier New font family
    FontFamily ff = new FontFamily("Courier New");
    Console.WriteLine(formatString, ff.GetName(0),
      ff.GetCellAscent(FontStyle.Regular),
      ff.GetCellDescent(FontStyle.Regular),
      ff.GetEmHeight(FontStyle.Regular),
      ff.GetLineSpacing(FontStyle.Regular));
    }
}

Write font metrics for Times New Roman font family

 

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class MainClass {
    public static void Main() {
    String formatString = "{0,-16}{1,8}{2,9}{3,10}{4,14}";
    Console.WriteLine(formatString, "Font Family Name", "Ascent", "Descent","EmHeight", "Line Spacing");
    FontFamily ff = new FontFamily("Times New Roman");
    Console.WriteLine(formatString, ff.GetName(0),
      ff.GetCellAscent(FontStyle.Regular),
      ff.GetCellDescent(FontStyle.Regular),
      ff.GetEmHeight(FontStyle.Regular),
      ff.GetLineSpacing(FontStyle.Regular));
    }
}