BCGControlBar Pro for MFC
virtual void CBCGPRibbonPanel::AddSeparator ( BOOL  bVisible = TRUE)

Adds a separator to the ribbon panel.

Use this method to add a separator to ribbon panel. The separator will be placed next to a ribbon element added by a previous call on CBCGPRibbonPanel::Add.

bVisibleSpecifies whther separator is visible or not. Invisible separator occupies the same space as visible and intends for the controls layout customization.