isCOBOL Evolve : Appendices : Library Routines : $WINHELP : HELP-HELPONHELP
HELP-HELPONHELP
The HELP-HELPONHELP function displays help on how to use Windows Help, if the Winhlp32.hlp file is available.
Syntax:
 CALL "$WINHELP" USING helpFile 
                       HELP-HELPONHELP
                GIVING returnCode
Parameters:
HELP-HELPONHELP
Constant
 
helpFile
PIC X(n)
Specifies the name of the help file to be opened. It can be either a .HLP or a .CHM file.
Return code:
returnCode can be any signed numeric data item and provides additional information:
1
Operation successful.
WPRTERR-UNSUPPORTED
The $WINHELP library routine is not supported.
WPRTERR-BAD-ARG
The $WINHELP library routine has been called with bad parameters.