HtmlHelp

Invokes the Microsoft HTML Help application (hh.exe) to display a specific topic from an HTML help file (.chm).

Syntax

HtmlHelp(sHelpFile, nCommand, sData)

sHelpFile:

The help file to display. For example, "C:\Program Files (x86)\AVEVA Plant SCADA\Bin\ProcessAnalyst.chm".

This argument supports path substitutions. For example, "[BIN]:ProcessAnalyst.chm".

nCommand:

The type of help:

0 - Display a topic identified by an internal file name in the sData field. This is the name of the file within the .chm file. For example: "1126187.htm".

1 - Display a topic identified by the Mapped Topic ID in the sData field. For example: "1000".

2 - Terminate the help application.

3 - Display the index.

sData:

Optional data, depending on the value of nCommand.

Return Value

0 (zero) if successful, otherwise an error is returned.

See Also

Window Functions