BCGControlBar Pro for MFC
void CBCGPPropList::SetButtonsAppearance ( UINT  nButtonsAppearance = BCGP_PROPLIST_ALWAYS_DISPLAY_PUSH_BUTTONS)

Specifies property buttons appearance.

Parameters
nButtonsAppearanceA combination of the following flags: BCGP_PROPLIST_ALWAYS_DISPLAY_PUSH_BUTTONS and BCGP_PROPLIST_ALWAYS_DISPLAY_DROPDOWN_BUTTONS.

By default, drop-down button is displayed only if property is selected (active) and push buttons are always visible. Call this method to change the buttons appearance.