//
private static bool iterate(TreeViewItemAutomationPeer logicalParentAp, DependencyObject parent, IteratorCallback callback, ItemPeersStorage<ItemAutomationPeer> dataChildren, ItemPeersStorage<ItemAutomationPeer> oldChildren)
{
bool done = false;
if (parent != null)
{
AutomationPeer peer = null;
int count = VisualTreeHelper.GetChildrenCount(parent);
for (int i = 0; i < count && !done; i++)
{
DependencyObject child = VisualTreeHelper.GetChild(parent, i);
if (child != null
&& child is UIElement)
{
if (child is TreeViewItem)
{
object dataItem = (child as UIElement) != null ? (logicalParentAp.Owner as ItemsControl).GetItemOrContainerFromContainer(child as UIElement) : child;
peer = oldChildren[dataItem];
if (peer == null)
{
peer = logicalParentAp.GetPeerFromWeakRefStorage(dataItem);
if (peer != null)
{
// As cached peer is getting used it must be invalidated.
peer.AncestorsInvalid = false;
peer.ChildrenValid = false;
}
}
if (peer == null)
{
peer = logicalParentAp.CreateItemAutomationPeer(dataItem);
}
//perform hookup so the events sourced from wrapper peer are fired as if from the data item
if (peer != null)
{
AutomationPeer wrapperPeer = (peer as ItemAutomationPeer).GetWrapperPeer();
if (wrapperPeer != null)
{
wrapperPeer.EventsSource = peer;
}
if (dataChildren[dataItem] == null && peer is ItemAutomationPeer)
{
callback(peer);
dataChildren[dataItem] = peer as ItemAutomationPeer;
}
}
}
else
{
peer = CreatePeerForElement((UIElement)child);
if (peer != null)
done = callback(peer);
}
if(peer == null)
done = iterate(logicalParentAp, child, callback, dataChildren, oldChildren);
}
else
{
done = iterate(logicalParentAp, child, callback, dataChildren, oldChildren);
}
}
}
return done;
}
//
private static bool iterate(TreeViewItemAutomationPeer logicalParentAp, DependencyObject parent, IteratorCallback callback, ItemPeersStorage <ItemAutomationPeer> dataChildren, ItemPeersStorage <ItemAutomationPeer> oldChildren)
{
bool done = false;
if (parent != null)
{
AutomationPeer peer = null;
int count = VisualTreeHelper.GetChildrenCount(parent);
for (int i = 0; i < count && !done; i++)
{
DependencyObject child = VisualTreeHelper.GetChild(parent, i);
if (child != null &&
child is UIElement)
{
if (child is TreeViewItem)
{
object dataItem = (child as UIElement) != null ? (logicalParentAp.Owner as ItemsControl).GetItemOrContainerFromContainer(child as UIElement) : child;
peer = oldChildren[dataItem];
if (peer == null)
{
peer = logicalParentAp.GetPeerFromWeakRefStorage(dataItem);
if (peer != null)
{
// As cached peer is getting used it must be invalidated.
peer.AncestorsInvalid = false;
peer.ChildrenValid = false;
}
}
if (peer == null)
{
peer = logicalParentAp.CreateItemAutomationPeer(dataItem);
}
//perform hookup so the events sourced from wrapper peer are fired as if from the data item
if (peer != null)
{
AutomationPeer wrapperPeer = (peer as ItemAutomationPeer).GetWrapperPeer();
if (wrapperPeer != null)
{
wrapperPeer.EventsSource = peer;
}
if (dataChildren[dataItem] == null && peer is ItemAutomationPeer)
{
callback(peer);
dataChildren[dataItem] = peer as ItemAutomationPeer;
}
}
}
else
{
peer = CreatePeerForElement((UIElement)child);
if (peer != null)
{
done = callback(peer);
}
}
if (peer == null)
{
done = iterate(logicalParentAp, child, callback, dataChildren, oldChildren);
}
}
else
{
done = iterate(logicalParentAp, child, callback, dataChildren, oldChildren);
}
}
}
return(done);
}
// 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);
}
