dc.DrawLine((self.linePos, 0), (self.linePos, size.height-10))
bh = ypos = self.barHeight
dc.DrawLine((self.linePos, 0), (self.linePos, size.height-10))
bh = ypos = self.barHeight
dc.DrawRectangle((self.linePos+3, ypos), (val, bh))
ypos = ypos + 2*bh
dc.DrawRectangle((self.linePos+3, ypos), (val, bh))
ypos = ypos + 2*bh