BCGControlBar Pro for MFC
BOOL CBCGPPropertySheet::SetIconsList ( UINT  uiImageListResID,
int  cx,
COLORREF  clrTransparent = RGB(255, 0, 255),

Sets the list of images to be used in the embedded outlook bar.

Call this member function to set the image list to be used by the embedded outlook bar control. Each image from this list will be associated with property pages added later using AddPage().

uiImageListResIDSpecifies the resource ID of the image list.
cxSpecifies the size of icons in the image list.
clrTransparentSpecifies the transparent color.
bIsDPIScaleTRUE - scale icons list by DPI.