The Excel add-in has two particular features describred in the sequel.
A help file in compressed HTML format can be associated to the
Excel add-in. This file must be named
and be located in the directory containing the add-in. Then under the
Excel function wizard for
KEYVALUE function (or
whatever is the name provided by the bridge), one can click on "Help on
this function" to open
The file will be open by the program associated with extendion
.chm at the position mapped to ID number 1000. For
.chm of this user manual is called
manual.chm and maps the ID number 1000 to Section 5.
Instructions on how to create
.chm files and
how to map ID numbers to anchors is outside of the scope of this
As explained in Section 7.1.1, Excel add-in provides special support for commands. Under the menu on the menu bar, it presents a menu named after the core library from which one can call any command. The result of the command can be seen on the global logger.