AlphaTab.Gdi.TrackBarsControl.OnPaint C# (CSharp) Метод

        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);
            if (_usedBars == null) return;

            using (LinearGradientBrush brush = new LinearGradientBrush(DisplayRectangle, _startColor, _endColor, LinearGradientMode.Vertical))
            {
                e.Graphics.FillRectangle(brush, new Rectangle(0, 0, _usedBars.Length * BlockSize.Width, BlockSize.Height));
            }

            using (Pen pen = new Pen(Color.FromArgb(75,255,255,255)))
            {
                for (int i = 0; i < _usedBars.Length; i++)
                {
                    e.Graphics.DrawLine(pen, (i + 1) * BlockSize.Width, 0, (i + 1) * BlockSize.Width, BlockSize.Height);
                }
                pen.Color = Color.FromArgb(51, 51, 51);
                e.Graphics.DrawLine(pen, 0, Height - 1, _usedBars.Length * BlockSize.Width, Height - 1);
            }
        }