Returns the value of the color depth in pixels.
If the Color Depth is BITS_1, the return value is 1
If the Color Depth is BITS_8, the return value is 8
If the Color Depth is BITS_8GRAY, the return value is 8
If the Color Depth is BITS_24, return value is 24
GetBitsPerPixel(pDevMode As Long)As Long
Input value: pDevMode - handle to the BlackIceDEVMODE structure.
Return value - Color depth in pixels (Long)