// Return proxy representing element in specified direction (parent/next/firstchild/etc.)
private object InContextNavigate(object arg)
{
NavigateDirection direction = (NavigateDirection)arg;
AutomationPeer dest;
AutomationPeer peer = Peer;
if (peer == null)
{
return(null);
}
switch (direction)
{
case NavigateDirection.Parent:
dest = peer.GetParent();
break;
case NavigateDirection.FirstChild:
if (!peer.IsInteropPeer)
{
dest = peer.GetFirstChild();
}
else
{
return(peer.GetInteropChild());
}
break;
case NavigateDirection.LastChild:
if (!peer.IsInteropPeer)
{
dest = peer.GetLastChild();
}
else
{
return(peer.GetInteropChild());
}
break;
case NavigateDirection.NextSibling:
dest = peer.GetNextSibling();
break;
case NavigateDirection.PreviousSibling:
dest = peer.GetPreviousSibling();
break;
default:
dest = null;
break;
}
return(StaticWrap(dest, peer));
}
private IntPtr OnWmGetObject(IntPtr wparam, IntPtr lparam)
{
IntPtr result = IntPtr.Zero;
AutomationPeer automationPeer = UIElementAutomationPeer.CreatePeerForElement(this);
if (automationPeer != null)
{
IRawElementProviderSimple interopChild = automationPeer.GetInteropChild();
result = AutomationInteropProvider.ReturnRawElementProvider(this.CriticalHandle, wparam, lparam, interopChild);
}
return(result);
}
private IntPtr OnWmGetObject(IntPtr wparam, IntPtr lparam)
{
IntPtr result = IntPtr.Zero;
AutomationPeer containerPeer = UIElementAutomationPeer.CreatePeerForElement(this);
if (containerPeer != null)
{
// get the element proxy
IRawElementProviderSimple el = containerPeer.GetInteropChild();
result = AutomationInteropProvider.ReturnRawElementProvider(CriticalHandle, wparam, lparam, el);
}
return(result);
}