Пример #1
0
        // Hit test a location to see if it is over a handle.
        bool HitTestHandle(PointF location, float pixelSize, out PointF handleLocation)
        {
            PointF[] handles = courseObject.GetHandles();
            if (handles != null)
            {
                foreach (PointF handle in handles)
                {
                    double distance = Geometry.Distance(location, handle);
                    if (distance / pixelSize <= 3.0)
                    {
                        // over a handle.
                        handleLocation = handle;
                        return(true);
                    }
                }
            }

            // didn't find a handle.
            handleLocation = new PointF();
            return(false);
        }