This screencast shows how to programmatically select a contact from the address book in a MonoTouch iPhone application, in only 5 minutes.
The key bit of code is to create an ABPeoplePickerNavigationController, and then take advantage of its SelectPerson event. The brief idea is shown in this code snippet:
var picker = new ABPeoplePickerNavigationController();
picker.SelectPerson +=
delegate(object sender, ABPeoplePickerSelectPersonEventArgs e) {
ABPerson selectedPerson = e.Person;
// do something with 'selectedPerson'
};
Hope you found this screencast helpful.