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README  view on Meta::CPAN

        Control-slash selects everything in the widget, except in single and
        browse modes, in which case it selects the active element and
        deselects everything else.

    [18]
        Control-backslash deselects everything in the widget, except in
        browse mode where it has no effect.

    [19]
        The F16 key (labelled Copy on many Sun workstations) or Meta-w
        copies the selection in the widget to the clipboard, if there is a
        selection.

    [20]
        We've added <Ctrl-<Prior>> and <Ctrl-<Next>> bindings to scroll the
        listbox view up and down by one page while selecting a page's worth
        of items.

    The behavior of HListboxes can be changed by defining new bindings for
    individual widgets or by redefining the class bindings.

lib/Tk/HListbox.pm  view on Meta::CPAN

the active element and deselects everything else.

=item [18]

Control-backslash deselects everything in the widget, except in 
B<browse> mode where it has no effect.

=item [19]

The F16 key (labelled Copy on many Sun workstations) or Meta-w 
copies the selection in the widget to the clipboard, if there is 
a selection.

=item [20]

We've added <Ctrl-<Prior>> and <Ctrl-<Next>> bindings 
to scroll the listbox view up and down by one page while 
selecting a page's worth of items.

=back