public void AddElementRoundBorder()

in src/AccessibilityInsights.SharedUx/Highlighting/WindowHighlighterBase.cs [200:251]
49 lines of code
8 McCabe index (conditional complexity)

        public void AddElementRoundBorder(A11yElement el, string txt = "!")
        {
            if (el != null)
            {
                if (!Items.ContainsKey(el))
                {
                    if (this.IsVisible && !el.BoundingRectangle.IsEmpty && this.Dimensions.IntersectsWith(el.BoundingRectangle))
                    {
                        var l = (el.BoundingRectangle.Left - Dimensions.Left) / DPI;
                        var t = (el.BoundingRectangle.Top - Dimensions.Top) / DPI;

                        var bord = new Border()
                        {
                            BorderBrush = Application.Current.Resources["SearchAndIconForegroundBrush"] as SolidColorBrush,
                            BorderThickness = new Thickness(2),
                            Background = Application.Current.Resources["SecondaryBGBrush"] as SolidColorBrush,
                            Width = 28,
                            Height = 28,
                            CornerRadius = new CornerRadius(28),
                        };

                        TextBlock tb = null;
                        if (txt != null)
                        {
                            tb = new TextBlock()
                            {
                                Text = txt,
                                Tag = el,
                                HorizontalAlignment = HorizontalAlignment.Center,
                                VerticalAlignment = VerticalAlignment.Center,
                                Foreground = Application.Current.Resources["PrimaryFGBrush"] as SolidColorBrush,
                            };
                            if (TBCallback != null)
                            {
                                tb.MouseDown += TBCallback;
                            }

                            bord.Child = tb;
                        }
                        canvas.Children.Add(bord);
                        bord.SetValue(Canvas.LeftProperty, GetMidPoint(l, el.BoundingRectangle.Width, bord.Width));
                        bord.SetValue(Canvas.TopProperty, GetMidPoint(t, el.BoundingRectangle.Height, bord.Height));
                        bord.SetValue(Canvas.ZIndexProperty, 0);
                        Items[el] = new GroupHighlighterItem(bord, tb);
                    }
                }
                else
                {
                    Items[el].AddRef();
                }
            }
        }