hParent

This parameter closes the Help dialog, when the calling window is closed.

a_pszHelpFile

This parameter specifies the Help Source depending on the Output type.

For Webhelp/FlashHelp: “Path to project start page”

For Webhelp Pro: “http:///roboapi.asp”

For HTML Help: “Path to .CHM file”.

uCommand

This parameter contains the following constants −

HH_DISPLAY_INDEX − Displays Index pane and default topic.

HH_DISPLAY_SEARCH − Displays Search pane and default topic.

HH_DISPLAY_TOC − Displays Contents pane and default topic.

HH_HELP_CONTEXT − Opens topic associated with map ID in dwData parameter.

dwData

This parameter is used to obtain the map ID and export the map file for the programming language. Use the HH_HELP_CONTEXT in the uCommand parameter.