An enumeration type that determines the current text background style.
typedef enum{PAINT_TEXT_BACK_STYLE_TRANSPARENT,PAINT_TEXT_BACK_STYLE_OPAQUE,PAINT_TEXT_BACK_STYLE_TILEDIMAGE,} PAINTTEXTBACKSTYLE ;
Transparent background.
Opaque background, using crBackgroundColor.
Background will be a tiled image, using pBackgroundTileBitmap.