Check dialog handler status

DESCRIPTION:

Checks to see if the dialog handling system's external process is up and running.

Note: This function is deprecated. For more information, see .

USAGE:

dialog.running() 

VALUE:

Returns a logical T if the system is running.

SEE ALSO:

,

EXAMPLES:

# Startup dialog handling system if not already started. 
if(! dialog.running()) dialog.start()