EmEditor Help Tool

This program allows you to specify a help file (*.chm) as an external tool for EmEditor.

You can specify external tool properties as:

Command: the path to eehelptool.exe
Arguments: “CHM file path” $(WordText)

Please see the screenshot included in the zip file.

Also see:

https://www.emeditor.com/forums/topic/get-help-on-function-using-standart-chm-files/