// <summary>
// Gets a list of AutomationPeers that contains the following:
// Type text box
// Name text box
// List of CategoryContainerAutomationPeers
// </summary>
// <returns></returns>
protected override List <AutomationPeer> GetChildrenCore()
{
// If children list is not null and contains AutomationPeer that implements IAutomationFocusChangedEventSource
// Then, unhook the automation focus events before clearing the list
// Else, create a new one.
if (_children != null)
{
foreach (AutomationPeer peer in _children)
{
IAutomationFocusChangedEventSource unhookEventPeer = peer as IAutomationFocusChangedEventSource;
if (unhookEventPeer != null)
{
unhookEventPeer.UnloadEventHook();
}
}
_children.Clear();
}
else
{
_children = new List <AutomationPeer>();
}
_children.Add(new TextBlockAutomationPeer(_inspector.SelectionTypeLabel));
_children.Add(new UIElementAutomationPeer(_inspector.PropertyToolBar));
_children.Add(new InfoTextBlockAutomationPeer(_inspector.UninitializedLabel));
_children.Add(new InfoTextBlockAutomationPeer(_inspector.NoSearchResultsLabel));
_children.Add(new CategoryListAutomationPeer(_inspector.CategoryList));
return(_children);
}
// IAutomationFocusChangedEventSource Members
public void UnloadEventHook()
{
if (_children != null)
{
foreach (AutomationPeer peer in _children)
{
IAutomationFocusChangedEventSource unhookEventPeer = peer as IAutomationFocusChangedEventSource;
if (unhookEventPeer != null)
{
unhookEventPeer.UnloadEventHook();
}
}
}
}
protected override List <AutomationPeer> GetChildrenCore()
{
if (_children != null)
{
foreach (AutomationPeer peer in _children)
{
IAutomationFocusChangedEventSource unhookEventPeer = peer as IAutomationFocusChangedEventSource;
if (unhookEventPeer != null)
{
unhookEventPeer.UnloadEventHook();
}
}
_children.Clear();
}
// See if we have access to the QuickTypes combo box (it may or may not be available)
AutomatedChoiceEditor choiceEditor = VisualTreeUtils.GetNamedChild <AutomatedChoiceEditor>(_editor, "PART_ValueEditor");
// If we do, present it as one of our children
if (choiceEditor != null)
{
_children.Add(new HiddenUIElementAutomationPeer(choiceEditor));
}
// Add any sub-properties
ItemsControl properties = VisualTreeUtils.GetNamedChild <ItemsControl>(_editor, "PART_SubPropertyList");
if (properties != null)
{
int childCount = properties.Items.Count;
for (int i = 0; i < childCount; i++)
{
PropertyContainer propertyContainer = properties.ItemContainerGenerator.ContainerFromIndex(i) as PropertyContainer;
if (propertyContainer != null)
{
PropertyContainerAutomationPeer peer = new PropertyContainerAutomationPeer(propertyContainer);
_children.Add(peer);
}
}
}
return(_children);
}
