BCGControlBar Pro for MFC
BCGPSB_PART BCGPSCROLLBAR_DRAW_INFO::m_part

Specifies the element type to be drawn.

It can be one of the following values:

  • BCGP_SCROLLBAR_BACKGROUND - scroll bar background
  • BCGP_SCROLLBAR_BUTTON - scroll bar button
  • BCGP_SCROLLBAR_THUMB - scroll bar thumb