/// <summary>Gets the collection of child elements of the <see cref="T:System.Windows.Controls.TreeViewItem" /> that is associated with this <see cref="T:System.Windows.Automation.Peers.TreeViewItemAutomationPeer" />. This method is called by <see cref="M:System.Windows.Automation.Peers.AutomationPeer.GetChildren" />.</summary>
/// <returns>The collection of child elements.</returns>
// Token: 0x06002884 RID: 10372 RVA: 0x000BC8F8 File Offset: 0x000BAAF8
protected override List <AutomationPeer> GetChildrenCore()
{
List <AutomationPeer> children = null;
ItemPeersStorage <ItemAutomationPeer> itemPeers = base.ItemPeers;
base.ItemPeers = new ItemPeersStorage <ItemAutomationPeer>();
TreeViewItem treeViewItem = base.Owner as TreeViewItem;
if (treeViewItem != null)
{
TreeViewItemAutomationPeer.iterate(this, treeViewItem, delegate(AutomationPeer peer)
{
if (children == null)
{
children = new List <AutomationPeer>();
}
children.Add(peer);
return(false);
}, base.ItemPeers, itemPeers);
}
return(children);
}
// Token: 0x06002885 RID: 10373 RVA: 0x000BC954 File Offset: 0x000BAB54
private static bool iterate(TreeViewItemAutomationPeer logicalParentAp, DependencyObject parent, TreeViewItemAutomationPeer.IteratorCallback callback, ItemPeersStorage <ItemAutomationPeer> dataChildren, ItemPeersStorage <ItemAutomationPeer> oldChildren)
{
bool flag = false;
if (parent != null)
{
int childrenCount = VisualTreeHelper.GetChildrenCount(parent);
int num = 0;
while (num < childrenCount && !flag)
{
DependencyObject child = VisualTreeHelper.GetChild(parent, num);
if (child != null && child is UIElement)
{
AutomationPeer automationPeer;
if (child is TreeViewItem)
{
object item = (child is UIElement) ? (logicalParentAp.Owner as ItemsControl).GetItemOrContainerFromContainer(child as UIElement) : child;
automationPeer = oldChildren[item];
if (automationPeer == null)
{
automationPeer = logicalParentAp.GetPeerFromWeakRefStorage(item);
if (automationPeer != null)
{
automationPeer.AncestorsInvalid = false;
automationPeer.ChildrenValid = false;
}
}
if (automationPeer == null)
{
automationPeer = logicalParentAp.CreateItemAutomationPeer(item);
}
if (automationPeer != null)
{
AutomationPeer wrapperPeer = (automationPeer as ItemAutomationPeer).GetWrapperPeer();
if (wrapperPeer != null)
{
wrapperPeer.EventsSource = automationPeer;
}
if (dataChildren[item] == null && automationPeer is ItemAutomationPeer)
{
callback(automationPeer);
dataChildren[item] = (automationPeer as ItemAutomationPeer);
}
}
}
else
{
automationPeer = UIElementAutomationPeer.CreatePeerForElement((UIElement)child);
if (automationPeer != null)
{
flag = callback(automationPeer);
}
}
if (automationPeer == null)
{
flag = TreeViewItemAutomationPeer.iterate(logicalParentAp, child, callback, dataChildren, oldChildren);
}
}
else
{
flag = TreeViewItemAutomationPeer.iterate(logicalParentAp, child, callback, dataChildren, oldChildren);
}
num++;
}
}
return(flag);
}
