Csharp/C Sharp by API/System.Windows.Forms/CheckBox

CheckBox.CheckAlign

 
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.Windows.Forms.Label label1;
    private System.Windows.Forms.GroupBox groupBox1;
    private System.Windows.Forms.CheckBox chk_option1;
    private System.Windows.Forms.CheckBox chk_option2;
    private System.Windows.Forms.CheckBox chk_option3;
    private System.Windows.Forms.CheckBox chk_option4;
    private System.Windows.Forms.Button button1;
    public Form1() {
        this.chk_option1 = new System.Windows.Forms.CheckBox();
        this.label1 = new System.Windows.Forms.Label();
        this.chk_option2 = new System.Windows.Forms.CheckBox();
        this.chk_option3 = new System.Windows.Forms.CheckBox();
        this.chk_option4 = new System.Windows.Forms.CheckBox();
        this.groupBox1 = new System.Windows.Forms.GroupBox();
        this.button1 = new System.Windows.Forms.Button();
        this.groupBox1.SuspendLayout();
        this.SuspendLayout();
        // 
        // chk_option1
        // 
        this.chk_option1.CheckAlign = System.Drawing.ContentAlignment.MiddleRight;
        this.chk_option1.Location = new System.Drawing.Point(40, 24);
        this.chk_option1.Name = "chk_option1";
        this.chk_option1.Size = new System.Drawing.Size(192, 24);
        this.chk_option1.TabIndex = 0;
        this.chk_option1.Text = "Windows 2000 / Windows XP";
        this.chk_option1.ThreeState = true;
        // 
        // label1
        // 
        this.label1.Location = new System.Drawing.Point(16, 24);
        this.label1.Name = "label1";
        this.label1.Size = new System.Drawing.Size(296, 16);
        this.label1.TabIndex = 1;
        this.label1.Text = "The following products are developed by Microsoft Corp.";
        // 
        // chk_option2
        // 
        this.chk_option2.Location = new System.Drawing.Point(40, 56);
        this.chk_option2.Name = "chk_option2";
        this.chk_option2.Size = new System.Drawing.Size(192, 24);
        this.chk_option2.TabIndex = 0;
        this.chk_option2.Text = "JAVA";
        // 
        // chk_option3
        // 
        this.chk_option3.Appearance = System.Windows.Forms.Appearance.Button;
        this.chk_option3.ImageAlign = System.Drawing.ContentAlignment.MiddleRight;
        this.chk_option3.Location = new System.Drawing.Point(40, 88);
        this.chk_option3.Name = "chk_option3";
        this.chk_option3.Size = new System.Drawing.Size(192, 24);
        this.chk_option3.TabIndex = 0;
        this.chk_option3.Text = "Visual C# and .NET";
        // 
        // chk_option4
        // 
        this.chk_option4.Appearance = System.Windows.Forms.Appearance.Button;
        this.chk_option4.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
        this.chk_option4.Location = new System.Drawing.Point(40, 120);
        this.chk_option4.Name = "chk_option4";
        this.chk_option4.Size = new System.Drawing.Size(192, 24);
        this.chk_option4.TabIndex = 0;
        this.chk_option4.Text = "Oracle Database";
        // 
        // groupBox1
        // 
        this.groupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                          this.chk_option2,
                                          this.chk_option4,
                                          this.chk_option3,
                                          this.chk_option1});
        this.groupBox1.Location = new System.Drawing.Point(16, 56);
        this.groupBox1.Name = "groupBox1";
        this.groupBox1.Size = new System.Drawing.Size(280, 152);
        this.groupBox1.TabIndex = 2;
        this.groupBox1.TabStop = false;
        this.groupBox1.Text = "Select All Correct Options";
        // 
        // button1
        // 
        this.button1.Location = new System.Drawing.Point(16, 216);
        this.button1.Name = "button1";
        this.button1.TabIndex = 3;
        this.button1.Text = "Done ";
        this.button1.Click += new System.EventHandler(this.button1_Click);
        // 
        // Form1
        // 
        this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
        this.ClientSize = new System.Drawing.Size(328, 253);
        this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                      this.button1,
                                      this.groupBox1,
                                      this.label1});
        this.Name = "Form1";
        this.Text = "Check Boxes";
        this.Load += new System.EventHandler(this.Form1_Load);
        this.groupBox1.ResumeLayout(false);
        this.ResumeLayout(false);
    }

    /// <summary>
    /// The main entry point for the application.
    /// </summary>
    [STAThread]
    static void Main() {
        Application.Run(new Form1());
    }
    private void Form1_Load(object sender, System.EventArgs e) {
        Image imga = Image.FromFile("A.ICO");
        chk_option3.Image = imga;
        chk_option3.ImageAlign = ContentAlignment.MiddleRight;
        chk_option3.BackColor = Color.LightBlue;
        imga = Image.FromFile("B.ICO");
        chk_option4.Image = imga;
        chk_option4.ImageAlign = ContentAlignment.MiddleCenter;
        chk_option4.BackColor = Color.LightBlue;
    }
    private void button1_Click(object sender, System.EventArgs e) {
        string str_opt_selected = "Options Selected are ..\n";
        if (chk_option1.Checked)
            str_opt_selected = str_opt_selected + chk_option1.Text + "\n";
        if (chk_option2.Checked)
            str_opt_selected = str_opt_selected + chk_option2.Text + "\n";
        if (chk_option3.Checked)
            str_opt_selected = str_opt_selected + chk_option3.Text + "\n";
        if (chk_option4.Checked)
            str_opt_selected = str_opt_selected + chk_option4.Text + "\n";
        MessageBox.Show(str_opt_selected, "Checked Options");
    }
}

CheckBox.Checked

 
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.Windows.Forms.GroupBox groupBox1;
    private System.Windows.Forms.CheckBox checkBox1;
    private System.Windows.Forms.CheckBox checkBox2;
    private System.Windows.Forms.CheckBox checkBox3;
    private System.Windows.Forms.RadioButton radioButton1;
    private System.Windows.Forms.RadioButton radioButton2;
    private System.Windows.Forms.RadioButton radioButton3;
    private System.Windows.Forms.Button button1;
    private System.ruponentModel.Container components = null;
    public Form1() {
      InitializeComponent();
    }
    private void InitializeComponent() {
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            this.checkBox1 = new System.Windows.Forms.CheckBox();
            this.checkBox2 = new System.Windows.Forms.CheckBox();
            this.checkBox3 = new System.Windows.Forms.CheckBox();
            this.radioButton1 = new System.Windows.Forms.RadioButton();
            this.radioButton2 = new System.Windows.Forms.RadioButton();
            this.radioButton3 = new System.Windows.Forms.RadioButton();
            this.button1 = new System.Windows.Forms.Button();
            this.groupBox1.SuspendLayout();
            this.SuspendLayout();
            // 
            // groupBox1
            // 
            this.groupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                                    this.radioButton1,
                                                                                    this.radioButton2,
                                                                                    this.radioButton3});
            this.groupBox1.Location = new System.Drawing.Point(8, 120);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(120, 144);
            this.groupBox1.TabIndex = 0;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "Color";
            this.groupBox1.Enter += new System.EventHandler(this.groupBox1_Enter);
            // 
            // checkBox1
            // 
            this.checkBox1.Location = new System.Drawing.Point(8, 8);
            this.checkBox1.Name = "checkBox1";
            this.checkBox1.TabIndex = 1;
            this.checkBox1.Text = "Circle";
            // 
            // checkBox2
            // 
            this.checkBox2.Location = new System.Drawing.Point(8, 40);
            this.checkBox2.Name = "checkBox2";
            this.checkBox2.TabIndex = 2;
            this.checkBox2.Text = "Rectangle";
            // 
            // checkBox3
            // 
            this.checkBox3.Location = new System.Drawing.Point(8, 72);
            this.checkBox3.Name = "checkBox3";
            this.checkBox3.TabIndex = 3;
            this.checkBox3.Text = "String";
            // 
            // radioButton1
            // 
            this.radioButton1.Location = new System.Drawing.Point(8, 32);
            this.radioButton1.Name = "radioButton1";
            this.radioButton1.TabIndex = 4;
            this.radioButton1.Text = "Red";
            this.radioButton1.CheckedChanged += new System.EventHandler(this.radioButton1_CheckedChanged);
            // 
            // radioButton2
            // 
            this.radioButton2.Location = new System.Drawing.Point(8, 64);
            this.radioButton2.Name = "radioButton2";
            this.radioButton2.TabIndex = 5;
            this.radioButton2.Text = "Green";
            // 
            // radioButton3
            // 
            this.radioButton3.Location = new System.Drawing.Point(8, 96);
            this.radioButton3.Name = "radioButton3";
            this.radioButton3.TabIndex = 6;
            this.radioButton3.Text = "Blue";
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(8, 280);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(112, 32);
            this.button1.TabIndex = 4;
            this.button1.Text = "Draw";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(408, 317);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.button1,
                                                                          this.checkBox3,
                                                                          this.checkBox2,
                                                                          this.checkBox1,
                                                                          this.groupBox1});
            this.Name = "Form1";
            this.Text = "CheckBox and RadioButton Sample";
            this.groupBox1.ResumeLayout(false);
            this.ResumeLayout(false);
        }
        [STAThread]
        static void Main() 
        {
            Application.Run(new Form1());
        }
        private void groupBox1_Enter(object sender, System.EventArgs e)
        {
           Console.WriteLine("group box enter event");
        }
        private void radioButton1_CheckedChanged(object sender, System.EventArgs e)
        {
           Console.WriteLine("Radio Button checked changed event");
        }
        private void button1_Click(object sender, System.EventArgs e)
        {
            Graphics g = Graphics.FromHwnd(this.Handle);
            String str = "";
            Rectangle rc = new Rectangle(150, 50, 250, 250);
            
            if(radioButton1.Checked)
            {
                str = "red";
            }
            if(radioButton2.Checked)
            {
                str+="Green";
            }
            if(radioButton3.Checked)
            {
                str+="Blue";
            }
            if (checkBox1.Checked)
            {
                str+="Ellipse";
            }
            if (checkBox2.Checked)
            {
                str += "Rectangle";
            }
            if (checkBox3.Checked)
            {
                g.FillRectangle(new SolidBrush(Color.White), rc);
                g.DrawString(str, new Font("Verdana", 12), new SolidBrush(Color.Black), rc);
            }
            
        }
    }

CheckBox.CheckedChanged

 
using System;
using System.Drawing;
using System.Windows.Forms;
   
class RadioButtons: Form
{
     bool  bFillEllipse;
     Color colorEllipse;
   
     static void Main()
     {
          Application.Run(new RadioButtons());
     }
     RadioButtons()
     {
          ResizeRedraw = true;
          string[] astrColor = { "Black", "Blue", "Green", "Cyan"};
   
          GroupBox grpbox = new GroupBox();
          grpbox.Parent   = this;
          grpbox.Text     = "Color";
          grpbox.Location = new Point(Font.Height / 2, Font.Height / 2);
          grpbox.Size     = new Size(9 * Font.Height, (3 * astrColor.Length + 4) * Font.Height / 2);
   
          for (int i = 0; i < astrColor.Length; i++)
          {
               RadioButton radiobtn = new RadioButton();
               radiobtn.Parent      = grpbox;
               radiobtn.Text        = astrColor[i];
               radiobtn.Location    = new Point(Font.Height,3 * (i + 1) * Font.Height / 2);
               radiobtn.Size        = new Size(7 * Font.Height,3 * Font.Height / 2);
               radiobtn.CheckedChanged += new EventHandler(RadioButtonOnCheckedChanged);
               radiobtn.Checked = true;
          }
          CheckBox chkbox = new CheckBox();
          chkbox.Parent   = this;
          chkbox.Text     = "Fill Ellipse";
          chkbox.Location = new Point(Font.Height, 3 * (astrColor.Length + 2) * Font.Height / 2);
          chkbox.Size     = new Size(Font.Height * 7, 3 * Font.Height / 2);
          chkbox.CheckedChanged += new EventHandler(CheckBoxOnCheckedChanged);
     }
     void RadioButtonOnCheckedChanged(object obj, EventArgs ea)
     {
          RadioButton radiobtn = (RadioButton) obj;
   
          if(radiobtn.Checked)
          {
               colorEllipse = Color.FromName(radiobtn.Text);
               Invalidate(false);
          }
     }
     void CheckBoxOnCheckedChanged(object obj, EventArgs ea)
     {
          bFillEllipse = ((CheckBox)obj).Checked;
          Invalidate(false);
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          Graphics  grfx = pea.Graphics;
          Rectangle rect = new Rectangle(10 * Font.Height, 0,
                                         ClientSize.Width - 
                                             10 * Font.Height - 1,
                                         ClientSize.Height - 1);
          if(bFillEllipse)
               grfx.FillEllipse(new SolidBrush(colorEllipse), rect);
          else
               grfx.DrawEllipse(new Pen(colorEllipse), rect);
     }
}

CheckBox.ThreeState

 
/*
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;
namespace CheckBox
{
  /// <summary>
  /// Summary description for CheckBoxStyle.
  /// </summary>
  public class CheckBoxStyle : System.Windows.Forms.Form
  {
    private System.Windows.Forms.Label label1;
    private System.Windows.Forms.GroupBox groupBox1;
    private System.Windows.Forms.CheckBox chk_option1;
    private System.Windows.Forms.CheckBox chk_option2;
    private System.Windows.Forms.CheckBox chk_option3;
    private System.Windows.Forms.CheckBox chk_option4;
    private System.Windows.Forms.Button button1;
    /// <summary>
    /// Required designer variable.
    /// </summary>
    private System.ruponentModel.Container components = null;
    public CheckBoxStyle()
    {
      //
      // 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.chk_option1 = new System.Windows.Forms.CheckBox();
      this.label1 = new System.Windows.Forms.Label();
      this.chk_option2 = new System.Windows.Forms.CheckBox();
      this.chk_option3 = new System.Windows.Forms.CheckBox();
      this.chk_option4 = new System.Windows.Forms.CheckBox();
      this.groupBox1 = new System.Windows.Forms.GroupBox();
      this.button1 = new System.Windows.Forms.Button();
      this.groupBox1.SuspendLayout();
      this.SuspendLayout();
      // 
      // chk_option1
      // 
      this.chk_option1.CheckAlign = System.Drawing.ContentAlignment.MiddleRight;
      this.chk_option1.Location = new System.Drawing.Point(40, 24);
      this.chk_option1.Name = "chk_option1";
      this.chk_option1.Size = new System.Drawing.Size(192, 24);
      this.chk_option1.TabIndex = 0;
      this.chk_option1.Text = "Windows 2000 / Windows XP";
      this.chk_option1.ThreeState = true;
      // 
      // label1
      // 
      this.label1.Location = new System.Drawing.Point(16, 24);
      this.label1.Name = "label1";
      this.label1.Size = new System.Drawing.Size(296, 16);
      this.label1.TabIndex = 1;
      this.label1.Text = "The following products are developed by Microsoft Corp.";
      // 
      // chk_option2
      // 
      this.chk_option2.Location = new System.Drawing.Point(40, 56);
      this.chk_option2.Name = "chk_option2";
      this.chk_option2.Size = new System.Drawing.Size(192, 24);
      this.chk_option2.TabIndex = 0;
      this.chk_option2.Text = "JAVA";
      // 
      // chk_option3
      // 
      this.chk_option3.Appearance = System.Windows.Forms.Appearance.Button;
      this.chk_option3.ImageAlign = System.Drawing.ContentAlignment.MiddleRight;
      this.chk_option3.Location = new System.Drawing.Point(40, 88);
      this.chk_option3.Name = "chk_option3";
      this.chk_option3.Size = new System.Drawing.Size(192, 24);
      this.chk_option3.TabIndex = 0;
      this.chk_option3.Text = "Visual C# and .NET";
      // 
      // chk_option4
      // 
      this.chk_option4.Appearance = System.Windows.Forms.Appearance.Button;
      this.chk_option4.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
      this.chk_option4.Location = new System.Drawing.Point(40, 120);
      this.chk_option4.Name = "chk_option4";
      this.chk_option4.Size = new System.Drawing.Size(192, 24);
      this.chk_option4.TabIndex = 0;
      this.chk_option4.Text = "Oracle Database";
      // 
      // groupBox1
      // 
      this.groupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                          this.chk_option2,
                                          this.chk_option4,
                                          this.chk_option3,
                                          this.chk_option1});
      this.groupBox1.Location = new System.Drawing.Point(16, 56);
      this.groupBox1.Name = "groupBox1";
      this.groupBox1.Size = new System.Drawing.Size(280, 152);
      this.groupBox1.TabIndex = 2;
      this.groupBox1.TabStop = false;
      this.groupBox1.Text = "Select All Correct Options";
      // 
      // button1
      // 
      this.button1.Location = new System.Drawing.Point(16, 216);
      this.button1.Name = "button1";
      this.button1.TabIndex = 3;
      this.button1.Text = "Done ";
      this.button1.Click += new System.EventHandler(this.button1_Click);
      // 
      // CheckBoxStyle
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(328, 253);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                      this.button1,
                                      this.groupBox1,
                                      this.label1});
      this.Name = "CheckBoxStyle";
      this.Text = "Check Boxes";
      this.Load += new System.EventHandler(this.CheckBoxStyle_Load);
      this.groupBox1.ResumeLayout(false);
      this.ResumeLayout(false);
    }
    #endregion
    /// <summary>
    /// The main entry point for the application.
    /// </summary>
    [STAThread]
    static void Main() 
    {
      Application.Run(new CheckBoxStyle());
    }
    private void CheckBoxStyle_Load(object sender, System.EventArgs e)
    {
      // Load the Image that we want to display on the button
      Image imga = Image.FromFile("WRENCH.ICO");
      // Assign the Image for the checkbox
      chk_option3.Image = imga;
      // Align the image on the face of the checkbox
      chk_option3.ImageAlign = ContentAlignment.MiddleRight;
      // Select the background color for the checkbox
      chk_option3.BackColor = Color.LightBlue ;
      // Load the Image that we want to display on the button
      imga = Image.FromFile("EYE.ICO");
      // Assign the Image for the checkbox
      chk_option4.Image = imga;
      // Align the image on the face of the checkbox
      chk_option4.ImageAlign = ContentAlignment.MiddleCenter;
      // Select the background color for the checkbox
      chk_option4.BackColor = Color.LightBlue ;
    }
    private void button1_Click(object sender, System.EventArgs e)
    {
      string str_opt_selected = "Options Selected are ..\n" ;
  
      // Check which options are selected for every checkbox
      // using the Checked property
      if ( chk_option1.Checked ) 
        str_opt_selected = str_opt_selected + chk_option1.Text + "\n";
      if ( chk_option2.Checked ) 
        str_opt_selected = str_opt_selected + chk_option2.Text + "\n";
      if ( chk_option3.Checked ) 
        str_opt_selected = str_opt_selected + chk_option3.Text + "\n";
      if ( chk_option4.Checked ) 
        str_opt_selected = str_opt_selected + chk_option4.Text + "\n";
      MessageBox.Show(str_opt_selected , "Checked Options");
    }
  }
}

extends CheckBox

 
using System;
using System.Drawing;
using System.Windows.Forms;
   
class CustomCheckBox: Form
{
     public static void Main()
     {
          Application.Run(new CustomCheckBox());
     }
     public CustomCheckBox()
     {
          int      cyText = Font.Height;
          int      cxText = cyText / 2;
          FontStyle[] afs = { FontStyle.Bold,      FontStyle.Italic, 
                              FontStyle.Underline, FontStyle.Strikeout };
   
          Label label    = new Label();
          label.Parent   = this;
          label.Text     = "Sample Text";
          label.AutoSize = true;
   
          for (int i = 0; i < 4; i++)
          {
               FontStyleCheckBox chkbox = new FontStyleCheckBox();
               chkbox.Parent = this;
               chkbox.Text = afs[i].ToString();
               chkbox.fontstyle = afs[i];
               chkbox.Location = new Point(2 * cxText, 
                                               (4 + 3 * i) * cyText / 2);
               chkbox.Size = new Size(12 * cxText, cyText);
               chkbox.CheckedChanged += new EventHandler(CheckBoxOnCheckedChanged);
          }
     }
     void CheckBoxOnCheckedChanged(object obj, EventArgs ea)
     {
          FontStyle fs = 0;
          Label     label = null;
   
          for (int i = 0; i < Controls.Count; i++)
          {
               Control ctrl = Controls[i];
   
               if (ctrl.GetType() == typeof(Label))
                    label = (Label) ctrl;
               else if (ctrl.GetType() == typeof(FontStyleCheckBox))
                    if (((FontStyleCheckBox) ctrl).Checked)
                         fs |= ((FontStyleCheckBox) ctrl).fontstyle;
          }
          label.Font = new Font(label.Font, fs);
     }
}
class FontStyleCheckBox: CheckBox
{
     public FontStyle fontstyle;
}

new CheckBox()

 
using System;
using System.Drawing;
using System.Windows.Forms;
   
class CheckBoxWithLabel: Form
{
     Label label;
     FontStyle   fs   = 0;
     FontStyle[] afs  = { FontStyle.Bold,FontStyle.Italic, FontStyle.Underline, FontStyle.Strikeout };
   
     public static void Main()
     {
          Application.Run(new CheckBoxWithLabel());
     }
     public CheckBoxWithLabel()
     {
          int      cyText   = Font.Height;
          int      cxText   = cyText / 2;
          string[] astrText = {"Bold", "Italic", "Underline", "Strikeout"};
   
          label = new Label();
          label.Parent   = this;
          label.Text     = "Sample Text";
          label.AutoSize = true;
   
          for (int i = 0; i < 4; i++)
          {
               CheckBox chkbox = new CheckBox();
               chkbox.Parent = this;
               chkbox.Text = astrText[i];
               chkbox.Location = new Point(2 * cxText, (4 + 3 * i) * cyText / 2);
               chkbox.Size = new Size(12 * cxText, cyText);
               chkbox.CheckedChanged += new EventHandler(CheckBoxOnCheckedChanged);
          }
     }
     void CheckBoxOnCheckedChanged(object obj, EventArgs ea)
     {
          for (int i = 0; i < 4; i++)
               if (((CheckBox) Controls[i + 1]).Checked)
                    fs |= afs[i];
   
          label.Font = new Font(label.Font, fs);
     }
}