diff options
Diffstat (limited to 'library/listbox.tcl')
| -rw-r--r-- | library/listbox.tcl | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/library/listbox.tcl b/library/listbox.tcl index cd5d6c8..41b3d7a 100644 --- a/library/listbox.tcl +++ b/library/listbox.tcl @@ -3,7 +3,7 @@ # This file defines the default bindings for Tk listbox widgets # and provides procedures that help in implementing those bindings. # -# RCS: @(#) $Id: listbox.tcl,v 1.10 2000/02/10 08:52:50 hobbs Exp $ +# RCS: @(#) $Id: listbox.tcl,v 1.11 2000/03/24 19:38:57 ericm Exp $ # # Copyright (c) 1994 The Regents of the University of California. # Copyright (c) 1994-1995 Sun Microsystems, Inc. @@ -465,6 +465,10 @@ proc tkListboxCancel w { } set first [$w index anchor] set last $tkPriv(listboxPrev) + if { [string equal $last ""] } { + # Not actually doing any selection right now + return + } if {$first > $last} { set tmp $first set first $last |