Mega Code Archive

 

Categories / C# / 2D Graphics

 

List all known color in a system

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());   } }