/// <summary>
/// Creates and paints the button bitmap of the virtual scrollbar.
/// </summary>
/// <param name="width">The width of the button.</param>
/// <param name="height">The height of the button.</param>
/// <returns>The button image.</returns>
protected virtual Image CreateScrollButtonBitmap(int width, int height)
{
Bitmap bm = new Bitmap(width, height);
using (Graphics g = Graphics.FromImage(bm))
{
int r = Math.Min(width, height / 2) - 1;
if (r < 1) r = 1;
backgroundBrush.Color = Color.Fuchsia;
//g.Clear(Color.Fuchsia);
g.FillRectangle(backgroundBrush, 0, 0, width, height);
using (GraphicsPlus gp = new GraphicsPlus(g))
{
Rectangle bounds = new Rectangle(0, 0, width - 1, height - 1);
gp.SmoothingMode = SmoothingMode.None;
Color color = scrollbarButtonColor;
using (SolidBrushPlus brush = new SolidBrushPlus(color, true))
{
gp.FillRoundRectangle(bounds, r, brush);
}
using (PenPlus pen = new PenPlus(ScrollBarButtonBorderColor, 1, true))
{
gp.DrawRoundRectangle(bounds, r, pen);
}
}
}
return bm;
}
