Snoop.SnoopUI.FindItem C# (CSharp) Method

        private VisualTreeItem FindItem(object target)
        {
            VisualTreeItem node = this.rootVisualTreeItem.FindNode(target);
            Visual rootVisual = this.rootVisualTreeItem.MainVisual;
            if (node == null)
            {
                Visual visual = target as Visual;
                if (visual != null && rootVisual != null)
                {
                    // If target is a part of the SnoopUI, let's get out of here.
                    if (visual.IsDescendantOf(this))
                    {
                        return null;
                    }

                    // If not in the root tree, make the root be the tree the visual is in.
                    if (!visual.IsDescendantOf(rootVisual))
                    {
                        var presentationSource = PresentationSource.FromVisual(visual);
                        if (presentationSource == null)
                        {
                            return null; // Something went wrong. At least we will not crash with null ref here.
                        }

                        this.Root = new VisualItem(presentationSource.RootVisual, null);
                    }
                }

                this.rootVisualTreeItem.Reload();

                node = this.rootVisualTreeItem.FindNode(target);

                this.SetFilter(this.filter);
            }
            return node;
        }