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Categories / C# Tutorial / GUI Windows Forms

 

RadioButton Click Event

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public partial class Form1 : Form {     string ticketClass;          public Form1()     {         InitializeComponent();     }     private void okButton_Click(object sender, EventArgs e)     {         MessageBox.Show(ticketClass);     }     private void TicketTypeChanged(object sender, EventArgs e)     {         RadioButton button = (RadioButton)sender;         if (button.Checked)             ticketClass = button.Text;     } } partial class Form1 {     private void InitializeComponent()     {         this.label1 = new System.Windows.Forms.Label();         this.economyRadio = new System.Windows.Forms.RadioButton();         this.premiumRadio = new System.Windows.Forms.RadioButton();         this.businessRadio = new System.Windows.Forms.RadioButton();         this.upperRadio = new System.Windows.Forms.RadioButton();         this.firstRadio = new System.Windows.Forms.RadioButton();         this.okButton = new System.Windows.Forms.Button();         this.SuspendLayout();         //          // label1         //          this.label1.AutoSize = true;         this.label1.Location = new System.Drawing.Point(12, 9);         this.label1.Name = "label1";         this.label1.Size = new System.Drawing.Size(168, 13);         this.label1.TabIndex = 0;         this.label1.Text = "Choose the cabin class you require";         //          // economyRadio         //          this.economyRadio.AutoSize = true;         this.economyRadio.Location = new System.Drawing.Point(46, 44);         this.economyRadio.Name = "economyRadio";         this.economyRadio.Size = new System.Drawing.Size(65, 17);         this.economyRadio.TabIndex = 1;         this.economyRadio.Text = "Economy";         this.economyRadio.CheckedChanged += new System.EventHandler(this.TicketTypeChanged);         //          // premiumRadio         //          this.premiumRadio.AutoSize = true;         this.premiumRadio.Location = new System.Drawing.Point(46, 68);         this.premiumRadio.Name = "premiumRadio";         this.premiumRadio.Size = new System.Drawing.Size(108, 17);         this.premiumRadio.TabIndex = 2;         this.premiumRadio.Text = "Premium Economy";         this.premiumRadio.CheckedChanged += new System.EventHandler(this.TicketTypeChanged);         //          // businessRadio         //          this.businessRadio.AutoSize = true;         this.businessRadio.Location = new System.Drawing.Point(46, 92);         this.businessRadio.Name = "businessRadio";         this.businessRadio.Size = new System.Drawing.Size(90, 17);         this.businessRadio.TabIndex = 3;         this.businessRadio.Text = "Business class";         this.businessRadio.CheckedChanged += new System.EventHandler(this.TicketTypeChanged);         //          // upperRadio         //          this.upperRadio.AutoSize = true;         this.upperRadio.Location = new System.Drawing.Point(46, 115);         this.upperRadio.Name = "upperRadio";         this.upperRadio.Size = new System.Drawing.Size(123, 17);         this.upperRadio.TabIndex = 4;         this.upperRadio.Text = "Upper Business Class";         this.upperRadio.CheckedChanged += new System.EventHandler(this.TicketTypeChanged);         //          // firstRadio         //          this.firstRadio.AutoSize = true;         this.firstRadio.Location = new System.Drawing.Point(46, 139);         this.firstRadio.Name = "firstRadio";         this.firstRadio.Size = new System.Drawing.Size(67, 17);         this.firstRadio.TabIndex = 5;         this.firstRadio.Text = "First class";         this.firstRadio.CheckedChanged += new System.EventHandler(this.TicketTypeChanged);         //          // okButton         //          this.okButton.Location = new System.Drawing.Point(212, 194);         this.okButton.Name = "okButton";         this.okButton.Size = new System.Drawing.Size(75, 23);         this.okButton.TabIndex = 6;         this.okButton.Text = "OK";         this.okButton.Click += new System.EventHandler(this.okButton_Click);         //          // Form1         //          this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);         this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;         this.ClientSize = new System.Drawing.Size(299, 229);         this.Controls.Add(this.okButton);         this.Controls.Add(this.firstRadio);         this.Controls.Add(this.upperRadio);         this.Controls.Add(this.businessRadio);         this.Controls.Add(this.premiumRadio);         this.Controls.Add(this.economyRadio);         this.Controls.Add(this.label1);         this.Name = "Form1";         this.Text = "Flight Booker";         this.ResumeLayout(false);         this.PerformLayout();     }     private System.Windows.Forms.Label label1;     private System.Windows.Forms.RadioButton economyRadio;     private System.Windows.Forms.RadioButton premiumRadio;     private System.Windows.Forms.RadioButton businessRadio;     private System.Windows.Forms.RadioButton upperRadio;     private System.Windows.Forms.RadioButton firstRadio;     private System.Windows.Forms.Button okButton; } public class RadioButtonClickEvent {     [STAThread]     static void Main()     {         Application.EnableVisualStyles();         Application.Run(new Form1());     } }