BindableApplicationBar.BindableApplicationBar.AttachButtons C# (CSharp) Method

        private void AttachButtons(
            IEnumerable<BindableApplicationBarButton> buttons)
        {
            int i = this.applicationBar.Buttons.Count;

            foreach (var button in buttons)
            {
                button.Attach(this.applicationBar, i++);

                if (button.GetBindingExpression(
                        FrameworkElement.DataContextProperty) == null &&
                    button.DataContext == null)
                {
                    button.SetBinding(
                        FrameworkElement.DataContextProperty,
                        new Binding("DataContext") { Source = this });
                }
            }
        }
        #endregion