Mega Code Archive

 

Categories / C# / GUI Windows Form

 

Is CheckBox checked

using System; using System.Drawing; using System.Collections; using System.ComponentModel; 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.ComponentModel.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);             }                      }     }