public void HandleClick(int buttonIndex)
{
NSUserDefaults userDefaults = NSUserDefaults.StandardUserDefaults;
switch (buttonIndex) {
case -1:
// remind them later
userDefaults.SetDouble (DateTime.Now.ToOADate (), REMINDER_REQUEST_DATE);
userDefaults.Synchronize ();
break;
case 0:
// they want to rate it
RateApp ();
break;
case 1:
// they don't want to rate it
userDefaults.SetBool (true, DECLINED_TO_RATE);
userDefaults.Synchronize ();
break;
}
}