Opening a CHM help file from WinDev

The WHelp function can be used to display a file or a help page for the CHM format.

Syntax using topics' Help Id:

WHelp(<NameOfHelpFile> [, <HelpId>])

Syntax using topic's Help Context number:

WHelp(<NameOfHelpFile> , <HelpContextNumber>)


  • NameOfHelpFile is the name of the CHM help file to open
  • HelpId is the topic help id to display
  • HelpContextNumber is the topic's help context to display

See the How to manage your topic identifiers in HelpNDoc step-by-step guide.