isCOBOL Evolve : Appendices : Library Routines : $WINHELP : HELP-CONTEXT
HELP-CONTEXT
The HELP-CONTEXT function displays the topic identified by the specified context identifier defined in the [MAP] section of the .hpj file.
Syntax:
 CALL "$WINHELP" USING helpFile 
                       HELP-CONTEXT 
                       contextID
                GIVING returnCode
Parameters:
HELP-CONTEXT
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. The file name can be followed by an angle bracket (>) and the name of a secondary window if the topic is to be displayed in a secondary window rather than in the primary window. You must define the name of the secondary window in the [WINDOWS] section of the Help project (.hpj) file.
contextID
any numeric data item
Specifies the context identifier for the topic.
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.