How can I set a button background image on iPhone under Monotouch?

How can I set 开发者_开发百科a button background image on iPhone under Monotouch? It will be better if you provide me same sample. Thanks.

---

This will set a background image on a button:

button.SetBackgroundImage (UIImage.FromBundle ("imageFile"), UIControlState.Normal);

You can set different images for different control states with the UIControlState parameter.