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.ComponentModel;
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.ComponentModel.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());
    }
  }
}