xpl voice context question

["rleong1" <rleong1@xxxxxxxxx>]

when xpl voice starts up, the context is "" (null or undefined?) 
if i
give a command to go to a different context then want to get back to
the default context, how do i send it back a null?  since i don't know
how to get it back to that null context, i send it to the
"command"
context.

now, i have checks for the default context "" and for a
"command"
context, but they're identical.  is there a way i can avoid this?
(either be able to set the context to null or have xpl voice come up
in the "command" context)

my code as it is now:


sub TONYT_VOICE_MACHINE_TRIGGER(XplMsg)
dim instance
instance = "TONYT-VOICE.MACHINE"
vcommand = GetCommand(XplMsg)
Select Case ucase(xpl.GetParam(XplMsg,"context",True))
'**
'** no context defined so we're in main context
'**
Case ""
'** export_to_xml_main: commands
if (FindCommand("lightlightslighting",vcommand)) then
TTSResponse "lighting mode",host
SetContext "lights",host
...
Case "COMMANDS.XML"
if (FindCommand("lightlightslighting",vcommand)) then
TTSResponse "lighting mode",host
SetContext "lights",host
...




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