Language Reference Guide : A. System Constants and Keywords : System Constants : Bitmap Display Behavior Settings for ButtonFields, ImageFields, and PaletteFields
 
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Bitmap Display Behavior Settings for ButtonFields, ImageFields, and PaletteFields
Constant Value
Description
Numeric
Equivalent
BDB_OPAQUE
Maps transparent pixels to CC_FOREGROUND
0
BDB_TRANSPARENT
The transparent color value is the RGB color value corresponding to the first pixel in the 8-bit image that uses a color map
1
BDB_3DMAPPED
The RGB values that exist in an 8-bit bitmap color map that correspond to the Microsoft values for dark gray, gray, and light gray, that is, COLOR_3DSHADOW, COLOR_3DFACE, and COLOR_3DLIGHT
2