PurplePen.DefaultMode.HitTest C# (CSharp) Method

        private CourseObj HitTest(Pane pane, PointF location, float pixelSize, Predicate<CourseObj> filter)
        {
            CourseLayout activeCourse = (pane == Pane.Map) ? controller.GetCourseLayout() : controller.GetTopologyLayout();
            CourseObj clickedObject;

            clickedObject = activeCourse.HitTest(location, pixelSize, CourseLayer.MainCourse, filter);
            if (clickedObject == null)
                clickedObject = activeCourse.HitTest(location, pixelSize, CourseLayer.Descriptions, filter);

            return clickedObject;
        }