Group Box mouse enter event
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);
}
}
}
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