# $EPIC: windowctl.txt,v 1.11 2008/04/11 23:12:17 jnelson Exp $
$windowctl(REFNUM <refnum>)
$windowctl(REFNUMS)
$windowctl(NEW)
The $windowctl() function first appeared in EPIC4-1.2.0
SWAPPABLE first appeared in EPIC4-1.2.2.
TOPLINES first appeared in EPIC5-0.0.3.
ACTIVITY_* first appeared in EPIC5-0.0.6.