isCOBOL Evolve : Appendices : Library Routines : W$PALETTE : WPALETTE-NUM-COLORS
WPALETTE-NUM-COLORS
The WPALETTE-NUM-COLORS function retrieves the maximum number of colors the system can render simultaneously.
Syntax:
 CALL "W$PALETTE" USING WPALETTE-NUM-COLORS
                 GIVING returnCode
Parameters:
WPALETTE-NUM-COLORS
Constant
 
Return code:
returnCode can be any signed numeric data item and provides additional information:
>0
Operation successful. It receives the number of colors the system can render simultaneously.
WPERR-UNSUPPORTED
The W$PALETTE library routine is not supported.