File: //usr/local/rvm/src/ruby-2.3.8/ext/tk/sample/tkextlib/iwidgets/sample/extbutton.rb
#!/usr/bin/env ruby
# frozen_string_literal: false
require 'tk'
require 'tkextlib/iwidgets'
Tk::Iwidgets::Extbutton.new(:text=>'Bitmap example', :bitmap=>'info',
:background=>'bisque', :activeforeground=>'red',
:bitmapforeground=>'blue', :defaultring=>true,
:command=>proc{
puts "Bisque is beautiful"
}).pack(:expand=>true)
#img = TkPhotoImage.new(:file=>File.join(File.dirname(File.expand_path(__FILE__)), '../../../images/earthris.gif'))
img = TkPhotoImage.new(:file=>File.join(File.dirname(File.expand_path(__FILE__)), '../catalog_demo/images/clear.gif'))
Tk::Iwidgets::Extbutton.new(:text=>'Image example', :relief=>:ridge,
:image=>img, :imagepos=>:e, :font=>'9x15bold',
:activebackground=>'lightyellow',
:background=>'lightgreen').pack(:expand=>true)
Tk.mainloop