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  Returns
 
    LongInt    Current background color
 
  Description
 
    The _GetBkColor function returns the current background color.
 
    In a text mode (such as _TextC80), the _SetBkColor function
    accepts and _GetBkColor returns a color index. For example,
    _SetBkColor( 2 ) sets the background color to color index 2. The
    actual color displayed depends on the palette mapping for color
    index 2. The default color value for color index 2 is green in a
    color text mode.
 
    In a color graphics mode (such as _ERESCOLOR), _SetBkColor
    accepts and _GetBkColor returns a color value (as used in the
    _RemapPalette procedure). The value for the background color can
    be given by the color constants defined in MSGraph. For example,
    _SetBkColor( _Green ) sets the background color in a graphics mode
    to green. These constants are provided for convenience in
    working with the most common colors. The actual range of colors
    available is generally much greater.
 
    When a color argument is of type LongInt, it generally refers to a
    color value, and when it is of type Integer, it refers to an
    attribute or color index. _SetBkColor and _GetBkColor are
    exceptions; the argument is a color index in text modes and
    a color value in graphics modes. A more complete discussion of
    colors is given in the description of the _RemapPalette function.