How to develop combobox in window phone 7

How to develop combobox in window phone 7 ? How to change the color开发者_StackOverflow中文版 of combobox when click on it?

The ListPicker is generally more optimized for WP7 touch interface than the default ComboBox. I'd stick with it if possible.

By default, it is not in the toolbox. But you can still use it. Here is an article that introduces you both to the basics of ComboBox and shows how to style it so it looks more Metro-like.