Creates a dialog which presents the user with a pair of
listboxes. Items are selected by using the buttons to move them to
the right list. The contents of the right list are put in the variable upon closure of the dialog. The command
returns a boolean indicating if the user pressed OK or not. If
-geometry is not specified, the dialog is centered in its parent
toplevel unless its parent is . in which case the dialog is
centered in the screen.
Options:
-embed
if this flag is supplied, the procedure will create a swaplist
widget named pathName, with the variable set as the listvariable for the right side
listbox. This flag will also cause the -title and -geometry flags
to be ignored.
-reorder
boolean specifying if buttons allowing the user to change the
order of the right listbox should appear or not. defaults to
true
-title
sets the title of the dialog window. defaults to
"Configuration"
-llabel
sets the heading above the left list. defaults to
"Available:"
-rlabel
sets the heading above the right list. defaults to
"Selected:"
-lbuttontext
sets the text on the "move left" button. defaults to
"<<"
-rbuttontext
sets the text on the "move right" button. defaults to
">>"
-ubuttontext
sets the text on the "move up" button. defaults to "Move Up"
-dbuttontext
sets the text on the "move down" button. defaults to "Move
Down"