An OwnerDraw ComboBox with CheckBoxes in the Drop-Down

namespace CheckBoxCombo
{
    partial class Form1
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (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.toolStrip1 = new System.Windows.Forms.ToolStrip();
            this.checkComboBox1 = new CheckComboBox.CheckComboBox();
            this.checkBox1 = new System.Windows.Forms.CheckBox();
            this.checkBox2 = new System.Windows.Forms.CheckBox();
            this.checkBox3 = new System.Windows.Forms.CheckBox();
            this.SuspendLayout();
            // 
            // toolStrip1
            // 
            this.toolStrip1.Location = new System.Drawing.Point(0, 0);
            this.toolStrip1.Name = "toolStrip1";
            this.toolStrip1.Size = new System.Drawing.Size(284, 25);
            this.toolStrip1.TabIndex = 0;
            this.toolStrip1.Text = "toolStrip1";
            // 
            // checkComboBox1
            // 
            this.checkComboBox1.DrawMode = System.Windows.Forms.DrawMode.OwnerDrawFixed;
            this.checkComboBox1.FormattingEnabled = true;
            this.checkComboBox1.Location = new System.Drawing.Point(13, 3);
            this.checkComboBox1.Name = "checkComboBox1";
            this.checkComboBox1.Size = new System.Drawing.Size(138, 21);
            this.checkComboBox1.TabIndex = 1;
            this.checkComboBox1.Text = "Select Options";
            // 
            // checkBox1
            // 
            this.checkBox1.AutoSize = true;
            this.checkBox1.Checked = true;
            this.checkBox1.CheckState = System.Windows.Forms.CheckState.Checked;
            this.checkBox1.Location = new System.Drawing.Point(13, 46);
            this.checkBox1.Name = "checkBox1";
            this.checkBox1.Size = new System.Drawing.Size(46, 17);
            this.checkBox1.TabIndex = 5;
            this.checkBox1.Text = "One";
            this.checkBox1.UseVisualStyleBackColor = true;
            // 
            // checkBox2
            // 
            this.checkBox2.AutoSize = true;
            this.checkBox2.Checked = true;
            this.checkBox2.CheckState = System.Windows.Forms.CheckState.Checked;
            this.checkBox2.Location = new System.Drawing.Point(13, 67);
            this.checkBox2.Name = "checkBox2";
            this.checkBox2.Size = new System.Drawing.Size(47, 17);
            this.checkBox2.TabIndex = 6;
            this.checkBox2.Text = "Two";
            this.checkBox2.UseVisualStyleBackColor = true;
            // 
            // checkBox3
            // 
            this.checkBox3.AutoSize = true;
            this.checkBox3.Checked = true;
            this.checkBox3.CheckState = System.Windows.Forms.CheckState.Checked;
            this.checkBox3.Location = new System.Drawing.Point(13, 90);
            this.checkBox3.Name = "checkBox3";
            this.checkBox3.Size = new System.Drawing.Size(54, 17);
            this.checkBox3.TabIndex = 7;
            this.checkBox3.Text = "Three";
            this.checkBox3.UseVisualStyleBackColor = true;
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(284, 130);
            this.Controls.Add(this.checkBox3);
            this.Controls.Add(this.checkBox2);
            this.Controls.Add(this.checkBox1);
            this.Controls.Add(this.checkComboBox1);
            this.Controls.Add(this.toolStrip1);
            this.Name = "Form1";
            this.Text = "Test CheckComboBox";
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.ToolStrip toolStrip1;
        private CheckComboBox.CheckComboBox checkComboBox1;
        private System.Windows.Forms.CheckBox checkBox1;
        private System.Windows.Forms.CheckBox checkBox2;
        private System.Windows.Forms.CheckBox checkBox3;
    }
}