using System;
using System.Windows.Forms;
using System.ComponentModel;

public class MainWindow : Form {
    private string lifeTimeInfo;
    public MainWindow() {
        this.Closing += new CancelEventHandler(MainForm_Closing);
        this.Load += new EventHandler(MainForm_Load);
        this.Closed += new EventHandler(MainForm_Closed);
        this.Activated += new EventHandler(MainForm_Activated);
        this.Deactivate += new EventHandler(MainForm_Deactivate);
    }

    protected void MainForm_Closing(object sender, CancelEventArgs e) {
        DialogResult dr = MessageBox.Show("Do you REALLY want to close this app?",
             "Closing event!", MessageBoxButtons.YesNo);
        if (dr == DialogResult.No)
            e.Cancel = true;
        else
            e.Cancel = false;
    }

    protected void MainForm_Load(object sender, System.EventArgs e) { 
        lifeTimeInfo += "Load event
"; 
    }
    protected void MainForm_Activated(object sender, System.EventArgs e) { 
        lifeTimeInfo += "Activate event
"; 
    }
    protected void MainForm_Deactivate(object sender, System.EventArgs e) { 
        lifeTimeInfo += "Deactivate event
"; 
    }
    protected void MainForm_Closed(object sender, System.EventArgs e) {
        lifeTimeInfo += "Closed event
";
        MessageBox.Show(lifeTimeInfo);
    }
    public static void Main(string[] args) {
        Application.Run(new MainWindow());
    }
}

    

   
 


using System;
using System.Drawing;
using System.Windows.Forms;
   
class FontMenuForm: Form
{
     protected string strText = "Sample Text";
     protected Font font = new Font("Times New Roman", 24, FontStyle.Italic);
   
     public static void Main()
     {
          Application.Run(new FontMenuForm());
     }
     public FontMenuForm()
     {
          ResizeRedraw = true;
          Menu = new MainMenu();
          Menu.MenuItems.Add("&Font!", new EventHandler(MenuFontOnClick));
     }
     void MenuFontOnClick(object obj, EventArgs ea)
     {
          FontDialog dlg = new FontDialog();
          dlg.Font = font;
   
          if (dlg.ShowDialog() == DialogResult.OK)
          {
               font = dlg.Font;
               Invalidate();
          }
     }
     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)
     {
          SizeF sizef = grfx.MeasureString(strText, font);
          Brush brush = new SolidBrush(clr);
   
          grfx.DrawString(strText, font, brush, (cx - sizef.Width) / 2,
                                                (cy - sizef.Height) / 2);
     }
     public float GetAscent(Graphics grfx, Font font)
     {
          return font.GetHeight(grfx) * 
                    font.FontFamily.GetCellAscent(font.Style) /
                         font.FontFamily.GetLineSpacing(font.Style);
     }
     public float GetDescent(Graphics grfx, Font font)
     {
          return font.GetHeight(grfx) * 
                    font.FontFamily.GetCellDescent(font.Style) /
                         font.FontFamily.GetLineSpacing(font.Style);
     }
     public float PointsToPageUnits(Graphics grfx, Font font)
     {
          float fFontSize;
   
          if (grfx.PageUnit == GraphicsUnit.Display)
               fFontSize = 100 * font.SizeInPoints / 72;
          else
               fFontSize = grfx.DpiX * font.SizeInPoints / 72;
   
          return fFontSize;
     }
}

    

   


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Microsoft.Win32;

public class Form1 : Form
{
    private System.Windows.Forms.Label label2;
    
  public Form1() {
        this.Font = SystemFonts.IconTitleFont;
        this.AutoScaleDimensions = new System.Drawing.SizeF(6.0F, 13.0F);
        InitializeComponent();
        SystemEvents.UserPreferenceChanged += new UserPreferenceChangedEventHandler(SystemEvents_UserPreferenceChanged);
  }

    private void SystemEvents_UserPreferenceChanged(object sender, UserPreferenceChangedEventArgs e)
    {
        if (e.Category == UserPreferenceCategory.Window)
        {
            this.Font = SystemFonts.IconTitleFont;
        }
    }

    private void InitializeComponent()
    {
        this.label2 = new System.Windows.Forms.Label();
        this.SuspendLayout();
        // 
        // label2
        // 
        this.label2.Location = new System.Drawing.Point(12, 9);
        this.label2.Name = "label2";
        this.label2.Size = new System.Drawing.Size(220, 55);
        this.label2.TabIndex = 2;
        this.label2.Text = "Try changing the Small Fonts/Large Fonts setting for th" +
            "e computer.";
        // 
        // Form1
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(244, 138);
        this.Controls.Add(this.label2);
        this.Text = "Form1";
        this.ResumeLayout(false);

    }
  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new Form1());
  }

}


           
          

   


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

public class Form1 : Form
{
  private System.Windows.Forms.GroupBox groupBox1;
  private System.Windows.Forms.ComboBox lstFonts;
  private System.Windows.Forms.Label label1;
  private System.Windows.Forms.StatusStrip statusBar;
  private System.Windows.Forms.ToolStripStatusLabel statusLabel;

  public Form1() {
        InitializeComponent();
    System.Drawing.Text.InstalledFontCollection fonts = new System.Drawing.Text.InstalledFontCollection();
    foreach (FontFamily family in fonts.Families)
    {
      lstFonts.Items.Add(family.Name);
    }
  }

  private void lstFonts_SelectedIndexChanged(object sender, EventArgs e)
  {
        this.Invalidate();
  }

  private void Form1_Paint(object sender, PaintEventArgs e)
  {
    if (lstFonts.SelectedIndex != -1)
    {
            e.Graphics.DrawString(lstFonts.Text, new Font(lstFonts.Text, 50), Brushes.Black, 10, 50);
            statusBar.Items[0].Text = lstFonts.Text;
    }
  }

  private void InitializeComponent()
  {
    this.groupBox1 = new System.Windows.Forms.GroupBox();
    this.lstFonts = new System.Windows.Forms.ComboBox();
    this.label1 = new System.Windows.Forms.Label();
    this.statusBar = new System.Windows.Forms.StatusStrip();
    this.statusLabel = new System.Windows.Forms.ToolStripStatusLabel();
    this.groupBox1.SuspendLayout();
    this.statusBar.SuspendLayout();
    this.SuspendLayout();
    // 
    // groupBox1
    // 
    this.groupBox1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
          | System.Windows.Forms.AnchorStyles.Right)));
    this.groupBox1.Controls.Add(this.lstFonts);
    this.groupBox1.Controls.Add(this.label1);
    this.groupBox1.Location = new System.Drawing.Point(7, 0);
    this.groupBox1.Name = "groupBox1";
    this.groupBox1.Size = new System.Drawing.Size(497, 40);
    this.groupBox1.TabIndex = 1;
    this.groupBox1.TabStop = false;
    // 
    // lstFonts
    // 
    this.lstFonts.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
    this.lstFonts.DropDownWidth = 340;
    this.lstFonts.FormattingEnabled = true;
    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);
    // 
    // 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:";
    // 
    // statusBar
    // 
    this.statusBar.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
        this.statusLabel});
    this.statusBar.LayoutStyle = System.Windows.Forms.ToolStripLayoutStyle.Table;
    this.statusBar.Location = new System.Drawing.Point(0, 155);
    this.statusBar.Name = "statusBar";
    this.statusBar.Size = new System.Drawing.Size(516, 22);
    this.statusBar.TabIndex = 2;
    this.statusBar.Text = "statusStrip1";
    // 
    // statusLabel
    // 
    this.statusLabel.Name = "statusLabel";
    // 
    // Form1
    // 
    this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
    this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
    this.ClientSize = new System.Drawing.Size(516, 177);
    this.Controls.Add(this.groupBox1);
    this.Controls.Add(this.statusBar);
    this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
    this.Text = "Font Viewer";
    this.groupBox1.ResumeLayout(false);
    this.statusBar.ResumeLayout(false);
    this.ResumeLayout(false);
    this.PerformLayout();

  }

  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new Form1());
  }

}


           
          

   


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


  public class FontForm : System.Windows.Forms.Form
  {
    private Timer timer;
    private int swellValue;
    private string fontFace = "WingDings";

    public FontForm()
    {
      InitializeComponent();
      timer = new Timer();

      Text = "Font App";
      Width = 425;
      Height = 150;
      BackColor = Color.Honeydew;
      CenterToScreen();
      timer.Enabled = true;
      timer.Interval = 100;
      timer.Tick += new EventHandler(FontForm_OnTimer);
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 253);
      this.Text = "Form1";
      this.Resize += new System.EventHandler(this.FontForm_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.FontForm_Paint);

    }
    static void Main() 
    {
      Application.Run(new FontForm());
    }

    private void FontForm_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {
      Graphics g = e.Graphics;
      Font theFont = new Font(fontFace, 12 + swellValue);

      string message = "www.kutayzorlu.com/java2s/com";  
  
      float windowCenter = this.DisplayRectangle.Width / 2;             
      SizeF stringSize = e.Graphics.MeasureString(message, theFont);
      float startPos = windowCenter - (stringSize.Width / 2);

      g.DrawString(message, theFont, 
        new SolidBrush(Color.Blue), startPos, 10);
    }

    private void FontForm_Resize(object sender, System.EventArgs e)
    {
      Rectangle myRect = new Rectangle(0, 100, 
        ClientRectangle.Width, ClientRectangle.Height); 
      Invalidate(myRect);
    }

    private void FontForm_OnTimer(object sender, EventArgs e)
    {
      swellValue += 5;
      if(swellValue >= 50)
        swellValue = 0;

      Invalidate(new Rectangle(0, 0, ClientRectangle.Width, 100));
    }
  }

           
          

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

public class Test{
static void Main()
{
InstalledFontCollection fonts = new InstalledFontCollection();
for(int i = 0; i < fonts.Families.Length; i++) { Console.WriteLine(fonts.Families[i].Name); } } } [/csharp]

   

/*
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;

namespace Wrox.ProgrammingWindowsGUI.Chapter5
{
    /// <summary>
    /// Summary description for Form1.
    /// </summary>
    public class FocusForm : System.Windows.Forms.Form
    {
        private System.Windows.Forms.TextBox txtFocusForm;
        private System.Windows.Forms.Button btFocusForm;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;


        public FocusForm()
        {
            //
            // 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.txtFocusForm = new System.Windows.Forms.TextBox();
            this.btFocusForm = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // txtFocusForm
            // 
            this.txtFocusForm.Location = new System.Drawing.Point(8, 8);
            this.txtFocusForm.Name = "txtFocusForm";
            this.txtFocusForm.Size = new System.Drawing.Size(336, 20);
            this.txtFocusForm.TabIndex = 0;
            this.txtFocusForm.Text = "";
            this.txtFocusForm.LostFocus += new System.EventHandler(this.txtFocusForm_LostFocus);
            this.txtFocusForm.GotFocus += new System.EventHandler(this.txtFocusForm_GotFocus);
            // 
            // btFocusForm
            // 
            this.btFocusForm.Location = new System.Drawing.Point(8, 40);
            this.btFocusForm.Name = "btFocusForm";
            this.btFocusForm.Size = new System.Drawing.Size(336, 23);
            this.btFocusForm.TabIndex = 1;
            this.btFocusForm.Text = "This button does nothing";
            this.btFocusForm.Click += new System.EventHandler(this.btFocusForm_Click);
            // 
            // FocusForm
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(352, 70);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.btFocusForm,
                                                                          this.txtFocusForm});
            this.MaximizeBox = false;
            this.Name = "FocusForm";
            this.Text = "FocusForm";
            this.ResumeLayout(false);

        }
        #endregion

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

        protected void txtFocusForm_LostFocus(object sender, EventArgs e)
        {
            // MessageBox.Show("Goodbye!");
        }

        protected void txtFocusForm_GotFocus(object sender, EventArgs e)
        {
            // MessageBox.Show("Hello!");
        }

        private void btFocusForm_Click(object sender, System.EventArgs e)
        {
            bool canFocus = txtFocusForm.CanFocus;
            bool containsFocus = this.ContainsFocus;
            bool focused = txtFocusForm.Focused;

            MessageBox.Show("Textbox can focus: " + canFocus +
                         "
Form children contain focus: " + containsFocus +
                         "
Textbox has focus: " + focused);

            txtFocusForm.Focus();
        }

        
    }
}