// Token: 0x06005E7B RID: 24187 RVA: 0x001A7A80 File Offset: 0x001A5C80
internal static bool IsDescendant(DependencyObject reference, DependencyObject node)
{
bool result = false;
DependencyObject dependencyObject = node;
while (dependencyObject != null)
{
if (dependencyObject == reference)
{
result = true;
break;
}
PopupRoot popupRoot = dependencyObject as PopupRoot;
if (popupRoot != null)
{
Popup popup = popupRoot.Parent as Popup;
dependencyObject = popup;
if (popup != null)
{
dependencyObject = popup.Parent;
if (dependencyObject == null)
{
dependencyObject = popup.PlacementTarget;
}
}
}
else
{
dependencyObject = PopupControlService.FindParent(dependencyObject);
}
}
return(result);
}
internal static bool IsDescendant(DependencyObject reference, DependencyObject node)
{
bool success = false;
DependencyObject curr = node;
while (curr != null)
{
if (curr == reference)
{
success = true;
break;
}
// Find popup if curr is a PopupRoot
PopupRoot popupRoot = curr as PopupRoot;
if (popupRoot != null)
{
//Now Popup does not have a visual link to its parent (for context menu)
//it is stored in its parent's arraylist (DP)
//so we get its parent by looking at PlacementTarget
Popup popup = popupRoot.Parent as Popup;
curr = popup;
if (popup != null)
{
// Try the poup Parent
curr = popup.Parent;
// Otherwise fall back to placement target
if (curr == null)
{
curr = popup.PlacementTarget;
}
}
}
else // Otherwise walk tree
{
curr = PopupControlService.FindParent(curr);
}
}
return(success);
}
///
public PopupRootAutomationPeer(PopupRoot owner): base(owner)
{}
internal void ForceMsaaToUiaBridge(PopupRoot popupRoot)
{
if (Handle != IntPtr.Zero && (UnsafeNativeMethods.IsWinEventHookInstalled(NativeMethods.EVENT_OBJECT_FOCUS) || UnsafeNativeMethods.IsWinEventHookInstalled(NativeMethods.EVENT_OBJECT_STATECHANGE)))
{
PopupRootAutomationPeer popupRootAutomationPeer = UIElementAutomationPeer.CreatePeerForElement(popupRoot) as PopupRootAutomationPeer;
if (popupRootAutomationPeer != null)
{
if (popupRootAutomationPeer.Hwnd == IntPtr.Zero)
popupRootAutomationPeer.Hwnd = Handle;
IRawElementProviderSimple RootProviderForHwnd = popupRootAutomationPeer.ProviderFromPeer(popupRootAutomationPeer);
IntPtr lResult = AutomationInteropProvider.ReturnRawElementProvider(Handle, IntPtr.Zero, new IntPtr(NativeMethods.OBJID_CLIENT), RootProviderForHwnd);
if (lResult != IntPtr.Zero)
{
IAccessible acc = null;
int hr = NativeMethods.S_FALSE;
Guid iid = new Guid(MS.Internal.AppModel.IID.Accessible);
hr = UnsafeNativeMethods.ObjectFromLresult(lResult, ref iid, IntPtr.Zero, ref acc);
if (hr == NativeMethods.S_OK && acc != null)
{
// Release IAccessible(acc) object, just trusting the GC
;
}
}
}
}
}
