Symphonary.NWGUI.DrawGridLines C# (CSharp) Method

        private void DrawGridLines(long endTime, int bpm, int count)
        {
            int runner = 0;
            for (double i = 0; i < (endTime + 1000); i = i + (multiplier) + (bpm / count)) {
                Rectangle r = new Rectangle();
                if (hInst == 0) {
                    r.Width = 1280;
                    if (runner % count == 0) {
                        r.Fill = new SolidColorBrush(Color.FromRgb(221, 221, 221));
                        r.SetValue(Canvas.TopProperty, (double)-i * scrollSpeed);
                        r.Height = 3;
                    }
                    else {
                        r.Fill = new SolidColorBrush(Color.FromRgb(255, 222, 222));
                        r.SetValue(Canvas.TopProperty, (double)-i * scrollSpeed);
                        r.Height = 1;
                    }
                }
                else {
                    r.Height = 326;
                    r.SetValue(Canvas.TopProperty, (double)170);
                    int left = (int)(((i * scrollSpeed) / 9) * 9) + 1;
                    if (runner % count == 0) {
                        r.Fill = new SolidColorBrush(Color.FromRgb(255, 255, 255));
                        r.SetValue(Canvas.LeftProperty, (double)left);
                        r.Width = 8;
                    }
                    else {
                        r.Fill = new SolidColorBrush(Color.FromRgb(230, 230, 230));
                        r.SetValue(Canvas.LeftProperty, (double)left);
                        r.Width = 8;
                    }
                }
                gridlines.Children.Add(r);
                runner++;
            }
        }