protected internal PagingCommandItem(PagingScroller zapScroller, int index, string pageNumber = "", int buttonIndex = 0, bool isFirst = false)
{
//Contract.Requires<ArgumentNullException>(zapScroller != null);
//Contract.Requires<ArgumentOutOfRangeException>(index >= 0);
m_zapScroller = zapScroller;
m_zapScroller.CurrentItemChanged += delegate(object sender, RoutedPropertyChangedEventArgs <int> e)
{
OnCanExecuteChanged(EventArgs.Empty);
};
IsFirst = isFirst;
PageNumber = pageNumber;
m_index = index;
ButtonIndex = buttonIndex;
//m_content = m_zapScroller.Items[m_index];
}
private static void pageNumber_changed(DependencyObject element, DependencyPropertyChangedEventArgs e)
{
PagingScroller zapScroller = (PagingScroller)element;
zapScroller.PageNumberChanged((int)e.OldValue, (int)e.NewValue);
}
private static void currentItemIndex_changed(DependencyObject element, DependencyPropertyChangedEventArgs e)
{
PagingScroller zapScroller = (PagingScroller)element;
zapScroller.OnCurrentItemIndexChanged((int)e.OldValue, (int)e.NewValue);
}