BCGControlBar Pro for MFC
void CBCGPDockingControlBar::SetIconIndex ( int  nIndex)

Sets the docking pane icon index.

Call this method to specify an icon index. Image list shhould be loaded in the parent frame by calling CBCGPFrameWnd::SetDockingBarsIconList() or CBCGPMDIFrameWnd::SetDockingBarsIconList() in the frame class constructor.

nIndexZero-based icon index in the parent frame image list.