// ID: int, Name: string, Name2: string, Address: string, City: string, State: string, Zip: string
//
DataTable dtTest = new DataTable();
dtTest.Columns.Add("ID", typeof(int));
dtTest.Columns.Add("Name", typeof(string));
dtTest.Columns.Add("Name2", typeof(string));
dtTest.Columns.Add("Address", typeof(string));
dtTest.Columns.Add("City", typeof(string));
dtTest.Columns.Add("State", typeof(string));
dtTest.Columns.Add("Zip", typeof(string));

dtTest.Rows.Add(1, "John", "Doe", "3493 West Newt", "Tyler", "TX", "76704");
dtTest.Rows.Add(2, "Amy","Shale", "401 Lake St.", "Tyler", "TX", "33838");
dtTest.Rows.Add(3, "Tony", "Busco", "302 Handal Lane", "Tyler", "TX", "33838");
dtTest.Rows.Add(4, "Bruce", "Lee", "433 Baker St.", "Tyler", "TX", "33838");
dtTest.Rows.Add(5, "Allen", "Shondo", "Lando Lane Nol 1.", "Cushing", "TX", "33838");

// Bind the ComboBox to the DataTable
this.comboBox1.DataSource = dtTest;
this.comboBox1.DisplayMember = "Name";
this.comboBox1.ValueMember = "ID";

// Enable the owner draw on the ComboBox.
this.comboBox1.DrawMode = DrawMode.OwnerDrawFixed;
// Handle the DrawItem event to draw the items.
this.comboBox1.DrawItem += delegate(object cmb, DrawItemEventArgs args)
{
// Draw the default background
args.DrawBackground();


// The ComboBox is bound to a DataTable,
// so the items are DataRowView objects.
DataRowView drv = (DataRowView)this.comboBox1.Items[args.Index];

// Retrieve the value of each column.
string id = drv["id"].ToString();
string name = drv["name"].ToString();
string name2 = drv["name2"].ToString();
string Address = drv["Address"].ToString();
string City = drv["City"].ToString();
string State = drv["State"].ToString();
string Zip = drv["Zip"].ToString();
//********************************************************************************
// Get the bounds for the first column                                                               *
//********************************************************************************
Rectangle r1 = args.Bounds; r1.Width /= 2;

// Draw the text on the first column
using (SolidBrush sb = new SolidBrush(args.ForeColor))
{
// String, Font, Brush, Pointf
args.Graphics.DrawString(id, args.Font, sb, r1);
}

// Draw a line to isolate the columns 
using (Pen p = new Pen(Color.Black))
{
// pen, point 1 (x,x), point 2 (x,x) from point one to point 2.
args.Graphics.DrawLine(p, r1.Right, 0, r1.Right, r1.Bottom);
}
//********************************************************************************
// Get the bounds for the second column                                                         *
//********************************************************************************

Rectangle r2 = args.Bounds; r2.X = args.Bounds.Width / 2; r2.Width /= 2;

// Draw the text on the second column
using (SolidBrush sb = new SolidBrush(args.ForeColor))
{
// String, Font, Brush, Pointf
args.Graphics.DrawString(name, args.Font, sb, r2);
}

// Draw a line to isolate the columns 
using (Pen p = new Pen(Color.Black))
{
args.Graphics.DrawLine(p, r2.Right, 0, r2.Right, r2.Bottom);
}
//********************************************************************************
// Get the bounds for the third column                                                             *
//********************************************************************************
Rectangle r3 = args.Bounds; r3.X = args.Bounds.Width / 3; r3.Width /= 3;

// Draw the text on the third column
using (SolidBrush sb = new SolidBrush(args.ForeColor))
{
args.Graphics.DrawString(name2, args.Font, sb, r3);
}

// Draw a line to isolate the columns 
using (Pen p = new Pen(Color.Black))
{
args.Graphics.DrawLine(p, r3.Right, 0, r3.Right, r3.Bottom);
}
//********************************************************************************
// Get the bounds for the fourth column                                                           * 
//********************************************************************************
Rectangle r4 = args.Bounds; r4.X = args.Bounds.Width / 4; r4.Width /= 4;

// Draw the text on the forth column
using (SolidBrush sb = new SolidBrush(args.ForeColor))
{
args.Graphics.DrawString(Address, args.Font, sb, r4);
}

// Draw a line to isolate the columns 
using (Pen p = new Pen(Color.Black))
{
args.Graphics.DrawLine(p, r4.Right, 0, r4.Right, r4.Bottom);
}
//********************************************************************************
// Get the bounds for the fifth column                                                               *
//********************************************************************************
Rectangle r5 = args.Bounds; r5.X = args.Bounds.Width / 5; r5.Width /= 5;

// Draw the text on the fifth column
using (SolidBrush sb = new SolidBrush(args.ForeColor))
{
args.Graphics.DrawString(City, args.Font, sb, r5);
}

// Draw a line to isolate the columns 
using (Pen p = new Pen(Color.Black))
{
args.Graphics.DrawLine(p, r5.Right, 0, r5.Right, r5.Bottom);
}
//********************************************************************************
// Get the bounds for the sixth column                                                             * 
//********************************************************************************
Rectangle r6 = args.Bounds; r6.X = args.Bounds.Width / 6; r6.Width /= 6;

// Draw the text on the sixth column
using (SolidBrush sb = new SolidBrush(args.ForeColor))
{
args.Graphics.DrawString(State, args.Font, sb, r6);
}

// Draw a line to isolate the columns 
using (Pen p = new Pen(Color.Black))
{
args.Graphics.DrawLine(p, r6.Right, 0, r6.Right, r6.Bottom);
}
//********************************************************************************
// Get the bounds for the Seventh column                                                         *
//********************************************************************************
Rectangle r7 = args.Bounds; r7.X = args.Bounds.Width / 7; r7.Width /= 7;

// Draw the text on the third column
using (SolidBrush sb = new SolidBrush(args.ForeColor))
{
args.Graphics.DrawString(Zip, args.Font, sb, r7);
}

// Draw a line to isolate the columns 
using (Pen p = new Pen(Color.Black))
{
args.Graphics.DrawLine(p, r7.Right, 0, r7.Right, r7.Bottom);
}