BCGControlBar Pro for MFC
int BCGP_EDIT_SYM_DEF::m_nIndex

Index of image that displayed instead of character or character sequence.

Specifies the index in image list of an image that should be displayed instead of a character (m_chReplacement) or character sequence (m_strSymSequence). The image list should be set for the edit control using CBCGPEditCtrl::SetSymImgList.