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.ComponentModel;
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.ComponentModel.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");
}
}
}
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