Form1.cs

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using DevExpress.Utils;

namespace DrawItem
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private DevExpress.XtraEditors.CheckedListBoxControl checkedListBoxControl1;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
            this.checkedListBoxControl1 = new DevExpress.XtraEditors.CheckedListBoxControl();
            ((System.ComponentModel.ISupportInitialize)(this.checkedListBoxControl1)).BeginInit();
            this.SuspendLayout();
            // 
            // checkedListBoxControl1
            // 
            this.checkedListBoxControl1.Items.AddRange(new DevExpress.XtraEditors.Controls.CheckedListBoxItem[] {
            new DevExpress.XtraEditors.Controls.CheckedListBoxItem("Red"),
            new DevExpress.XtraEditors.Controls.CheckedListBoxItem("Green", System.Windows.Forms.CheckState.Checked),
            new DevExpress.XtraEditors.Controls.CheckedListBoxItem("Blue")});
            this.checkedListBoxControl1.Location = new System.Drawing.Point(7, 7);
            this.checkedListBoxControl1.Name = "checkedListBoxControl1";
            this.checkedListBoxControl1.Size = new System.Drawing.Size(185, 129);
            this.checkedListBoxControl1.TabIndex = 0;
            this.checkedListBoxControl1.DrawItem += new DevExpress.XtraEditors.ListBoxDrawItemEventHandler(this.checkedListBoxControl1_DrawItem);
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(200, 146);
            this.Controls.Add(this.checkedListBoxControl1);
            this.Name = "Form1";
            this.Text = "How to change the color of ListBox items";
            ((System.ComponentModel.ISupportInitialize)(this.checkedListBoxControl1)).EndInit();
            this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void checkedListBoxControl1_DrawItem(object sender, DevExpress.XtraEditors.ListBoxDrawItemEventArgs e) {
			switch(e.Item as string) {
				case "Red":
					e.Appearance.ForeColor = Color.Red;
					break;
				case "Green":
					e.Appearance.ForeColor = Color.Green;
					if((e.State & DrawItemState.Selected) == 0)
						e.Appearance.BackColor = Color.Yellow;
					break;
				case "Blue":
					e.Appearance.ForeColor = Color.Blue;
					break;
			}
		}
	}
}