コード例 #1
0
        virtual internal void RealizeCore()
        {
            ItemsControlAutomationPeer itemsControlAutomationPeer = ItemsControlAutomationPeer;

            if (itemsControlAutomationPeer != null)
            {
                ItemsControl parent = itemsControlAutomationPeer.Owner as ItemsControl;
                if (parent != null)
                {
                    if (parent.ItemContainerGenerator.Status == GeneratorStatus.ContainersGenerated)
                    {
                        if (AccessibilitySwitches.UseNetFx472CompatibleAccessibilityFeatures)
                        {
                            // Please note that this action must happen before the OnBringItemIntoView call because
                            // that is a call that synchronously flushes out layout and we want these realized peers
                            // cached before the UpdateSubtree kicks in OnLayoutUpdated.
                            if (VirtualizingPanel.GetIsVirtualizingWhenGrouping(parent))
                            {
                                itemsControlAutomationPeer.RecentlyRealizedPeers.Add(this);
                            }
                        }

                        parent.OnBringItemIntoView(Item);
                    }
                    else
                    {
                        // The items aren't generated, try at a later time
                        Dispatcher.BeginInvoke(DispatcherPriority.Loaded,
                                               (DispatcherOperationCallback) delegate(object arg)
                        {
                            if (AccessibilitySwitches.UseNetFx472CompatibleAccessibilityFeatures)
                            {
                                // Please note that this action must happen before the OnBringItemIntoView call because
                                // that is a call that synchronously flushes out layout and we want these realized peers
                                // cached before the UpdateSubtree kicks in OnLayoutUpdated.
                                if (VirtualizingPanel.GetIsVirtualizingWhenGrouping(parent))
                                {
                                    itemsControlAutomationPeer.RecentlyRealizedPeers.Add(this);
                                }
                            }

                            parent.OnBringItemIntoView(arg);

                            return(null);
                        }, Item);
                    }
                }
            }
        }
コード例 #2
0
        // Token: 0x06002730 RID: 10032 RVA: 0x000B92BC File Offset: 0x000B74BC
        internal virtual void RealizeCore()
        {
            ItemsControlAutomationPeer itemsControlAutomationPeer = this.ItemsControlAutomationPeer;

            if (itemsControlAutomationPeer != null)
            {
                ItemsControl parent = itemsControlAutomationPeer.Owner as ItemsControl;
                if (parent != null)
                {
                    if (parent.ItemContainerGenerator.Status == GeneratorStatus.ContainersGenerated)
                    {
                        if (AccessibilitySwitches.UseNetFx472CompatibleAccessibilityFeatures && VirtualizingPanel.GetIsVirtualizingWhenGrouping(parent))
                        {
                            itemsControlAutomationPeer.RecentlyRealizedPeers.Add(this);
                        }
                        parent.OnBringItemIntoView(this.Item);
                        return;
                    }
                    base.Dispatcher.BeginInvoke(DispatcherPriority.Loaded, new DispatcherOperationCallback(delegate(object arg)
                    {
                        if (AccessibilitySwitches.UseNetFx472CompatibleAccessibilityFeatures && VirtualizingPanel.GetIsVirtualizingWhenGrouping(parent))
                        {
                            itemsControlAutomationPeer.RecentlyRealizedPeers.Add(this);
                        }
                        parent.OnBringItemIntoView(arg);
                        return(null);
                    }), this.Item);
                }
            }
        }