private void DisplayHScroll()
{
listBox1.IntegralHeight = true;
for (int x = 0; x < 10; x++)
{
listBox1.Items.Add("Item " + x.ToString() + " is a very large value that requires scroll bars");
}
listBox1.HorizontalScrollbar = true;
Graphics g = listBox1.CreateGraphics();
int hzSize = (int) g.MeasureString(listBox1.Items[listBox1.Items.Count -1].ToString(),listBox1.Font).Width;
listBox1.HorizontalExtent = hzSize;
}