Exemplos de SearchedText.IsNullOrEmpty em C# (CSharp)

Exemplo n.º 1

        public ContactListViewModel(ContactListProvider contactListProvider)
        {
            this.contactListProvider = contactListProvider;
            CollectionViewSource.GetDefaultView(ContactList).Filter = o =>
            {
                var contactDetail = (ContactDetailViewModel)o;
                return(SearchedText.IsNullOrEmpty() || contactDetail.FirstName.Contains(SearchedText, StringComparison.OrdinalIgnoreCase) ||
                       contactDetail.LastName.Contains(SearchedText, StringComparison.OrdinalIgnoreCase));
            };
//            UpdateContactList();
        }