public void WillShowViewController(UISplitViewController svc, UIViewController vc, UIBarButtonItem button)
{
// Called when the view is shown again in the split view, invalidating the button and popover controller.
NavigationItem.SetLeftBarButtonItem(null, true);
masterPopoverController = null;
}
public void WillHideViewController(UISplitViewController splitController, UIViewController viewController, UIBarButtonItem barButtonItem, UIPopoverController popoverController)
{
barButtonItem.Title = NSBundle.MainBundle.LocalizedString("Master", "Master");
NavigationItem.SetLeftBarButtonItem(barButtonItem, true);
masterPopoverController = popoverController;
}