System Color Values for Color Derivation Methods
If you specify szFormat as CSS for the color derivation methods, the pszFrom and pszTo parameters are passed as strings that are the specific names of the system colors that you want to use to derive a new color. The system colors are those colors set for specific display elements.
The color settings for the following display elements can be specified in the pszFrom and pszTo parameters:
activeborder
activecaption
appworkspace
background
buttonface
buttonhighlight
buttonshadow
buttontext
captiontext
graytext
highlight
highlighttext
inactiveborder
inactivecaption
inactivecaptiontext
infobackground
infotext
menu
menutext
scrollbar
threeddarkshadow
threedface
threedhighlight
threedlightshadow
threedshadow
window
windowframe
windowtext