vc.FontStyle = _
vc.FontStyle Or VC_FONT_BOLD
To set two styles without disturbing the others, use a logical construct of the following form:
vc.FontStyle = _
vc.FontStyle Or VC_FONT_BOLD Or VC_FONT_ITALIC
To unset a style without disturbing the others, use a logical construct of the following form:
vc.FontStyle = _
vc.FontStyle And (Not VC_FONT_BOLD)
To unset two styles without disturbing the others, use a logical construct of the following form:
vc.FontStyle = _
vc.FontStyle And (Not (VC_FONT_BOLD Or VC_FONT_ITALIC))