C# (CSharp) System.Windows.Controls TextBox.FindAncestor примеры использования

Пример #1

Файл: ArtistsControl.xaml.cs Проект: David-Desmaisons/MusicCollection

        private void CommitChangesifNeeded(TextBox fe)
        {
            ListBoxItem lbi = fe.FindAncestor<ListBoxItem>();

            object original = lbi.DataContext;

            string text = fe.Text;
            if (string.IsNullOrWhiteSpace(text))
            {
                ItemsSource.Remove(original);
                return;
            }

            object candidat = SF.CreateFromName(text);

            if (candidat == original)
                return;

            LB.SelectedIndex = -1;
            int Index = ItemsSource.IndexOf(original);
            if (Index == -1)
                return;

            ItemsSource[Index] = candidat;
        }