$WBVDHR - virtual directory home reference

Availability
$WBVDHR is available for use with all WBSP commands.

Syntax
$WBVDHR
$WBVDHR[]
$WBVDHR{}

Returns
Path to the root directory of the current virtual host as it is defined in server-side variable VirtualDirHomeRef. Used to refer to wwwroot directory from files located in virtual directory .

Here's an example:

<!--
[FormFields]
wb_basename=$wbvdhr{}/database/biblio.mdb
-->