Examples with checkBox:-

Add a new Form i.e.,FormCheckBox1 to the Windows Application WABasics

Create one label,one checkBox & set the following properties to them

label1:-

Name          :         lblDisplay

Text            :         lblDisplay

Autosize     :         False[to increase the label size]

BackColor  :         ActiveCaption

Design :-

Generate the Event Handler for CheckChanged Event

Goto source & write the following code

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace WABasics {     public partial class FormCheckBox1 : Form     {         public FormCheckBox1()         {             InitializeComponent();         }         private void checkBox1_CheckedChanged(object sender, EventArgs e)         {             if (checkBox1.Checked == true)                 lblDisplay.Text = "Check Box is Checked";             // MessageBox.Show("Check Box is Checked");             else                 lblDisplay.Text = "CheckBox is Un-Checked";                // MessageBox.Show("The Check Box is Un-Checked");         }     } }

Result :-

Example2 with CheckBox:-

Add a new Form i.e.,FormCheckBox2 to the Windows Application WABasics

Create three labels,one textboxe and one buttons ,Four checkBoxes& set the following properties to them

label1:      Text      : Enter YourName      Name    : lblName label2:      Text     : Select Your Hobbies      Name   : lblHobbies label3:      Name        :   lblDisplay    AutoSize     :  True    BackColor   :  Menu Highlight

textBox1:      Name   : txtName button1:- Name   :  btnSubmit Text     :  Submit

checkBox1:      Name   : chkPlaying      Text     : Playing checkBox2:      Name   : chkReading      Text     : Reading checkBox3:      Name   : chkBrowsing      Text     : Browsing checkBox4:      Name   : chkTeaching      Text     : Teaching

Design :-

Generate the EventHandler for btnSubmit button Click Event

& write the following code in Source[FormCheckBox2.cs] 

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace WABasics {     public partial class FormCheckBox2 : Form     {         public FormCheckBox2()         {             InitializeComponent();         }         private void btnSubmit_Click(object sender, EventArgs e)         {             string s = txtName.Text+" Hobbies Are ";             if (chkBrowsing.Checked == true)                 s = s + chkBrowsing.Text + "   ";             if (chkPlaying.Checked == true)                 s = s + chkPlaying.Text + "  ";             if (chkReading.Checked == true)                 s = s + chkReading.Text + " ";             if (ChkTeaching.Checked == true)                 s = s + ChkTeaching.Text;             lblDisplay.Text = s;         }             } }

Result :-