List Box 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 class Form1 : Form
{
private System.Windows.Forms.Label lblSaturation;
private System.Windows.Forms.Label lblHue;
private System.Windows.Forms.Label lblBrightness;
private System.Windows.Forms.Label Label1;
private System.Windows.Forms.ListBox lstColors;
public Form1()
{
InitializeComponent();
string[] colorNames = System.Enum.GetNames(typeof(KnownColor));
lstColors.Items.AddRange(colorNames);
}
private void lstColors_SelectedIndexChanged(object sender, EventArgs e)
{
KnownColor selectedColor = (KnownColor)System.Enum.Parse(typeof(KnownColor), lstColors.Text);
this.BackColor = System.Drawing.Color.FromKnownColor(selectedColor);
lblBrightness.Text = "Brightness = " + this.BackColor.GetBrightness().ToString();
lblHue.Text = "Hue = " + this.BackColor.GetHue().ToString();
lblSaturation.Text = "Saturation = " + this.BackColor.GetSaturation().ToString();
}
private void InitializeComponent()
{
this.lblSaturation = new System.Windows.Forms.Label();
this.lblHue = new System.Windows.Forms.Label();
this.lblBrightness = new System.Windows.Forms.Label();
this.Label1 = new System.Windows.Forms.Label();
this.lstColors = new System.Windows.Forms.ListBox();
this.SuspendLayout();
//
// lblSaturation
//
this.lblSaturation.BackColor = System.Drawing.SystemColors.ActiveCaptionText;
this.lblSaturation.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.lblSaturation.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.lblSaturation.Location = new System.Drawing.Point(268, 57);
this.lblSaturation.Name = "lblSaturation";
this.lblSaturation.Size = new System.Drawing.Size(136, 20);
this.lblSaturation.TabIndex = 4;
this.lblSaturation.Text = " Saturation";
//
// lblHue
//
this.lblHue.BackColor = System.Drawing.SystemColors.ActiveCaptionText;
this.lblHue.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.lblHue.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.lblHue.Location = new System.Drawing.Point(268, 33);
this.lblHue.Name = "lblHue";
this.lblHue.Size = new System.Drawing.Size(136, 20);
this.lblHue.TabIndex = 3;
this.lblHue.Text = " Hue";
//
// lblBrightness
//
this.lblBrightness.BackColor = System.Drawing.SystemColors.ActiveCaptionText;
this.lblBrightness.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.lblBrightness.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.lblBrightness.Location = new System.Drawing.Point(268, 9);
this.lblBrightness.Name = "lblBrightness";
this.lblBrightness.Size = new System.Drawing.Size(136, 20);
this.lblBrightness.TabIndex = 2;
this.lblBrightness.Text = " Brightness";
//
// Label1
//
this.Label1.BackColor = System.Drawing.SystemColors.ActiveCaptionText;
this.Label1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.Label1.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.Label1.Location = new System.Drawing.Point(12, 9);
this.Label1.Name = "Label1";
this.Label1.Size = new System.Drawing.Size(200, 20);
this.Label1.TabIndex = 0;
this.Label1.Text = " Choose a Background Color:";
//
// lstColors
//
this.lstColors.FormattingEnabled = true;
this.lstColors.Location = new System.Drawing.Point(12, 37);
this.lstColors.Name = "lstColors";
this.lstColors.Size = new System.Drawing.Size(200, 238);
this.lstColors.TabIndex = 1;
this.lstColors.SelectedIndexChanged += new System.EventHandler(this.lstColors_SelectedIndexChanged);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(430, 284);
this.Controls.Add(this.lblSaturation);
this.Controls.Add(this.lblHue);
this.Controls.Add(this.lblBrightness);
this.Controls.Add(this.Label1);
this.Controls.Add(this.lstColors);
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.Name = "Form1";
this.Text = "Color Changer";
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
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