require 'multi-tk.rb' th = Thread.new{Tk.mainloop} TkLabel.new(:text=>'this is a primary master').pack ip1 = MultiTkIp.new_slave(:safe=>1) ip2 = MultiTkIp.new_slave(:safe=>2) cmd = proc{|s| require 'tk' TkButton.new(:text=>'b1: p self', :command=>proc{p self}).pack(:fill=>:x) sleep s TkButton.new(:text=>'b2: p $SAFE', :command=>proc{p $SAFE}).pack(:fill=>:x) sleep s TkButton.new(:text=>'b3: p MultiTkIp.ip_name', :command=>proc{p MultiTkIp.ip_name}).pack(:fill=>:x) sleep s TkButton.new(:text=>'EXIT', :command=>proc{exit}).pack(:fill=>:x) Tk.mainloop } Thread.new{ip1.eval_proc(cmd, 1.1)} Thread.new{ip2.eval_proc(cmd, 0.3)} cmd.call(0.7) th.join