private bool Filter(ListViewPage.Contact contact)
{
// When the text in any filter is changed, contact list is ran through all three filters to make sure
// they can properly interact with each other (i.e. they can all be applied at the same time).
return(contact.FirstName.IndexOf(FilterByFirstName.Text, StringComparison.InvariantCultureIgnoreCase) > -1 &&
contact.LastName.IndexOf(FilterByLastName.Text, StringComparison.InvariantCultureIgnoreCase) > -1 &&
contact.Company.IndexOf(FilterByCompany.Text, StringComparison.InvariantCultureIgnoreCase) > -1);
}
private void ChangeFirstItemButton_Click(object sender, RoutedEventArgs e)
{
var contacts = (ObservableCollection <ListViewPage.Contact>)DataContext;
contacts[0] = new ListViewPage.Contact("First", "Last", "Line 1\nLine 2");
}