internal void DrawHiddenPeriphery(Graphics graphics)
{
PeripherySurfaceBounds[] peripherySurfaceBounds = GetHiddenPeripherySurfaceBounds();
foreach (PeripherySurfaceBounds surfaceBounds in peripherySurfaceBounds) {
DrawCylinderSurfaceSection(graphics, m_pen, m_brushSurface, surfaceBounds.StartAngle, surfaceBounds.EndAngle, surfaceBounds.StartPoint, surfaceBounds.EndPoint);
}
}