ACPAddIn.AutoCompleteForm.ListBox_initWidth C# (CSharp) Method

        private void ListBox_initWidth(ListBox listBox)
        {
            int width = 0;
            Graphics g = listBox.CreateGraphics();

            foreach (object item in listBox.Items)
            {
                string text = item.ToString();
                SizeF s = g.MeasureString(text, listBox.Font);
                if (s.Width > width)
                    width = (int)s.Width;
            }
            listBox.HorizontalExtent = width + 2;
        }