dialogviewcontroller

Can I dismiss the iPhone keyboard by touching the background of DialogViewController (MonoTouch.Dialog)?

I'm using DialogViewController from MonoTouch.Dialogs. I'd like to be able to dismiss the keyboard by clicking on the background of the dialog. I usually employ the technique of filling the view with a large custom button and placing it behind all the other elements. However, I can't make this work in the DialogViewController. I did thi...