Presentation parameter attribute identity. The following presentation parameters
are initialized by the slider control. The initial value of each is shown
in the following list:
PP_FOREGROUNDCOLOR or PP_FOREGROUNDCOLORINDEX
Item
foreground color; used when displaying text and bit maps. This color is
initialized to SYSCLR_WINDOWTEXT.
PP_BACKGROUNDCOLOR or PP_BACKGROUNDCOLORINDEX
Slider
background color; used for entire control as the background. This color
is initialized to SYSCLR_WINDOW.