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#!/usr/bin/env ruby
# frozen_string_literal: false
require 'tk'
require 'tkextlib/iwidgets'
# Create the tabnotebook widget and pack it.
nb = Tk::Iwidgets::Notebook.new(:width=>100, :height=>100)
nb.pack(:anchor=>:nw, :fill=>:both, :expand=>true,
:side=>:left, :padx=>10, :pady=>10)
# Add two pages to the tabnotebook,
# labelled "Page One" and "Page Two"
nb.add(:label=>'Page One')
nb.add(:label=>'Page Two')
# Get the child site frames of these two pages.
page1CS = nb.child_site(0)
page2CS = nb.child_site('Page Two')
# Create buttons on each page of the tabnotebook.
TkButton.new(page1CS, :text=>'Button One').pack
TkButton.new(page2CS, :text=>'Button Two').pack
# Select the first page of the tabnotebook.
nb.select(0)
# Create the scrollbar and associate the scrollbar
# and the notebook together, then pack the scrollbar
nb.scrollbar(TkScrollbar.new).pack(:fill=>:y, :expand=>true, :pady=>10)
Tk.mainloop
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