public static IEnumerable <KeyValuePair <object, TContainer> > GetItemsAndContainers <TContainer>(this ItemsControl control) where TContainer : DependencyObject
{
if (control == null)
{
throw new ArgumentNullException("control");
}
return(ItemsControlExtensions.GetItemsAndContainersIterator <TContainer>(control));
}
public static IEnumerable <DependencyObject> GetContainers(this ItemsControl control)
{
if (control == null)
{
throw new ArgumentNullException("control");
}
return(ItemsControlExtensions.GetContainersIterator <DependencyObject>(control));
}
internal static void AddItem(this ItemsControl that, object item)
{
if (that.ItemsSource == null)
{
ItemsControlExtensions.InsertItem(that, that.Items.Count, item);
}
else
{
CollectionHelper.Add(that.ItemsSource, item);
}
}
public static ScrollViewer GetScrollHost(this ItemsControl control)
{
if (control == null)
{
throw new ArgumentNullException("control");
}
Panel itemsHost = ItemsControlExtensions.GetItemsHost(control);
if (itemsHost == null)
{
return((ScrollViewer)null);
}
return(Enumerable.FirstOrDefault <ScrollViewer>(Enumerable.OfType <ScrollViewer>((IEnumerable)Enumerable.Where <DependencyObject>(VisualTreeExtensions.GetVisualAncestors((DependencyObject)itemsHost), (Func <DependencyObject, bool>)(c => c != control)))));
}
private static IEnumerable <TContainer> GetContainersIterator <TContainer>(ItemsControl control) where TContainer : DependencyObject
{
return(Enumerable.Select <KeyValuePair <object, TContainer>, TContainer>(ItemsControlExtensions.GetItemsAndContainers <TContainer>(control), (Func <KeyValuePair <object, TContainer>, TContainer>)(p => p.Value)));
}
