Csharp/C Sharp/GUI Windows Form/GroupBox

CheckBox inside GroupBox

/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa
Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace Group
{
  /// <summary>
  /// Summary description for FormGroup.
  /// </summary>
  public class FormGroup : System.Windows.Forms.Form
  {
    private System.Windows.Forms.GroupBox groupBox1;
    private System.Windows.Forms.TextBox textBox1;
    private System.Windows.Forms.CheckBox checkBox1;
    private System.Windows.Forms.CheckBox checkBox2;
    private System.Windows.Forms.CheckBox checkBox3;
    /// <summary>
    /// Required designer variable.
    /// </summary>
    private System.ruponentModel.Container components = null;
    public FormGroup()
    {
      //
      // Required for Windows Form Designer support
      //
      InitializeComponent();
      //
      // TODO: Add any constructor code after InitializeComponent call
      //
      Application.Idle += new System.EventHandler (OnIdle);
    }
    private void OnIdle (object sender, EventArgs e)
    {
      groupBox1.Enabled = checkBox3.Checked;
    }
    #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.checkBox3 = new System.Windows.Forms.CheckBox();
      this.checkBox2 = new System.Windows.Forms.CheckBox();
      this.textBox1 = new System.Windows.Forms.TextBox();
      this.groupBox1 = new System.Windows.Forms.GroupBox();
      this.checkBox1 = new System.Windows.Forms.CheckBox();
      this.groupBox1.SuspendLayout();
      this.SuspendLayout();
      // 
      // checkBox3
      // 
      this.checkBox3.Location = new System.Drawing.Point(24, 120);
      this.checkBox3.Name = "checkBox3";
      this.checkBox3.Size = new System.Drawing.Size(184, 16);
      this.checkBox3.TabIndex = 1;
      this.checkBox3.Text = "checkBox3";
      // 
      // checkBox2
      // 
      this.checkBox2.Location = new System.Drawing.Point(136, 56);
      this.checkBox2.Name = "checkBox2";
      this.checkBox2.Size = new System.Drawing.Size(104, 16);
      this.checkBox2.TabIndex = 2;
      this.checkBox2.Text = "checkBox2";
      // 
      // textBox1
      // 
      this.textBox1.Location = new System.Drawing.Point(16, 24);
      this.textBox1.Name = "textBox1";
      this.textBox1.Size = new System.Drawing.Size(232, 20);
      this.textBox1.TabIndex = 0;
      this.textBox1.Text = "textBox1";
      // 
      // groupBox1
      // 
      this.groupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                          this.checkBox2,
                                          this.checkBox1,
                                          this.textBox1});
      this.groupBox1.Location = new System.Drawing.Point(16, 16);
      this.groupBox1.Name = "groupBox1";
      this.groupBox1.Size = new System.Drawing.Size(264, 96);
      this.groupBox1.TabIndex = 0;
      this.groupBox1.TabStop = false;
      this.groupBox1.Text = "groupBox1";
      // 
      // checkBox1
      // 
      this.checkBox1.Location = new System.Drawing.Point(16, 56);
      this.checkBox1.Name = "checkBox1";
      this.checkBox1.Size = new System.Drawing.Size(104, 16);
      this.checkBox1.TabIndex = 1;
      this.checkBox1.Text = "checkBox1";
      // 
      // FormGroup
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                      this.checkBox3,
                                      this.groupBox1});
      this.Name = "FormGroup";
      this.Text = "FormGroup";
      this.groupBox1.ResumeLayout(false);
      this.ResumeLayout(false);
    }
    #endregion
    /// <summary>
    /// The main entry point for the application.
    /// </summary>
    [STAThread]
    static void Main() 
    {
      Application.Run(new FormGroup());
    }
  }
}

Group Box mouse enter event

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);
            }
            
        }
    }

Using GroupBoxes and Panels to hold buttons

   using System;
   using System.Drawing;
   using System.Collections;
   using System.ruponentModel;
   using System.Windows.Forms;
   using System.Data;
   public class GroupBoxPanelExample : System.Windows.Forms.Form
   {
      private System.Windows.Forms.Button hiButton;
      private System.Windows.Forms.Button byeButton;
      private System.Windows.Forms.Button leftButton;
      private System.Windows.Forms.Button rightButton;
      private System.Windows.Forms.GroupBox mainGroupBox;
      private System.Windows.Forms.Label messageLabel;
      private System.Windows.Forms.Panel mainPanel;
      public GroupBoxPanelExample()
      {
         InitializeComponent();
      }
      private void InitializeComponent()
      {
         this.messageLabel = new System.Windows.Forms.Label();
         this.byeButton = new System.Windows.Forms.Button();
         this.mainGroupBox = new System.Windows.Forms.GroupBox();
         this.hiButton = new System.Windows.Forms.Button();
         this.mainPanel = new System.Windows.Forms.Panel();
         this.rightButton = new System.Windows.Forms.Button();
         this.leftButton = new System.Windows.Forms.Button();
         this.mainGroupBox.SuspendLayout();
         this.mainPanel.SuspendLayout();
         this.SuspendLayout();
         this.messageLabel.Location = new System.Drawing.Point( 24, 144 );
         this.messageLabel.Name = "messageLabel";
         this.messageLabel.Size = new System.Drawing.Size( 176, 32 );
         this.messageLabel.TabIndex = 2;
         this.byeButton.Location = new System.Drawing.Point( 96, 48 );
         this.byeButton.Name = "byeButton";
         this.byeButton.Size = new System.Drawing.Size( 72, 32 );
         this.byeButton.TabIndex = 0;
         this.byeButton.Text = "B";
         this.byeButton.Click += new System.EventHandler( this.byeButton_Click );
         this.mainGroupBox.Controls.AddRange( new System.Windows.Forms.Control[] {
            this.byeButton, this.hiButton } );
         this.mainGroupBox.Location = new System.Drawing.Point( 24, 24 );
         this.mainGroupBox.Name = "mainGroupBox";
         this.mainGroupBox.Size = new System.Drawing.Size( 176, 104 );
         this.mainGroupBox.TabIndex = 0;
         this.mainGroupBox.TabStop = false;
         this.mainGroupBox.Text = "Main GroupBox";
         this.hiButton.Location = new System.Drawing.Point( 8, 48 );
         this.hiButton.Name = "hiButton";
         this.hiButton.Size = new System.Drawing.Size( 72, 32 );
         this.hiButton.TabIndex = 0;
         this.hiButton.Text = "A";
         this.hiButton.Click += new System.EventHandler(this.hiButton_Click );
         this.mainPanel.AutoScroll = true;
         this.mainPanel.BorderStyle =System.Windows.Forms.BorderStyle.FixedSingle;
         this.mainPanel.Controls.AddRange(new System.Windows.Forms.Control[] {
            this.rightButton,this.leftButton } );
         this.mainPanel.Location =new System.Drawing.Point( 24, 192 );
         this.mainPanel.Name = "mainPanel";
         this.mainPanel.Size =new System.Drawing.Size( 176, 112 );
         this.mainPanel.TabIndex = 1;
         this.rightButton.Location =new System.Drawing.Point( 264, 40 );
         this.rightButton.Name = "rightButton";
         this.rightButton.Size =new System.Drawing.Size( 80, 40 );
         this.rightButton.TabIndex = 0;
         this.rightButton.Text = "Far Right";
         this.rightButton.Click += new System.EventHandler(this.rightButton_Click );
         this.leftButton.Location =new System.Drawing.Point( 8, 40 );
         this.leftButton.Name = "leftButton";
         this.leftButton.Size =new System.Drawing.Size( 80, 40 );
         this.leftButton.TabIndex = 0;
         this.leftButton.Text = "Far Left";
         this.leftButton.Click +=new System.EventHandler( this.leftButton_Click );
         this.AutoScaleBaseSize =new System.Drawing.Size( 5, 13 );
         this.ClientSize =new System.Drawing.Size( 224, 317 );
         this.Controls.AddRange(new System.Windows.Forms.Control[] {
               this.messageLabel,this.mainPanel,this.mainGroupBox } );
         this.Name = "GroupBoxPanelExample";
         this.Text = "GroupBoxPanelExample";
         this.mainGroupBox.ResumeLayout( false );
         this.mainPanel.ResumeLayout( false );
         this.ResumeLayout( false );
      }
      [STAThread]
      static void Main() 
      {
         Application.Run( new GroupBoxPanelExample() );
      }
      private void hiButton_Click( object sender, System.EventArgs e )
      {
         messageLabel.Text= "A pressed";
      }
      private void byeButton_Click(object sender, System.EventArgs e )
      {
         messageLabel.Text = "B pressed";
      }
      private void leftButton_Click(object sender, System.EventArgs e )
      {
         messageLabel.Text = "Far left pressed";
      }
      private void rightButton_Click( 
         object sender, System.EventArgs e )
      {
         messageLabel.Text = "Far right pressed";
      }
   }