How to Add Form Code to a WordPress Post. HTML form code offers an easy way to insert form items -- text boxes, radio buttons and checkboxes, for example -- to your WordPress site.

Learn how to add Google Driving Directions to your website using Google Map's Embed Code generator and free Maps iFrame Generator by Google.

Scroll down the code to where you want to add an item. Use the following code to add an item to the ListBox:ListBox1.AddItem "New Option"Replace "ListBox1" with your own ListBox control name.