This topic is included for completeness. For more detail see the source code located in the VC\atlmfc\src\mfc folder of your Visual Studio installation.
virtual void OnDrawRibbonCheckBoxOnList(
   CDC* pDC,
   CMFCRibbonCheckBox* pCheckBox,
   CRect rect,
   BOOL bIsSelected,
   BOOL bHighlighted
);
Parameters
[in] pDC
[in] pCheckBox
[in] rect
[in] bIsSelected
[in] bHighlighted
Requirements
Header: afxvisualmanager.h