require 'fox16'
include Fox

app=FXApp.new
win=FXMainWindow.new(app, 'Test')

$cb2disabled=false

cb1=FXCheckButton.new(win, 'Main button')
cb1.connect(SEL_COMMAND) do |sender, selector, data|
    $cb2disabled=sender.checked?
end

cb2=FXCheckButton.new(win, 'Second button')
cb2.connect(SEL_UPDATE) do |sender, selector, data|
    message = $cb2disabled ? FXWindow::ID_DISABLE : FXWindow::ID_ENABLE
    sender.handle(sender, MKUINT(message, SEL_COMMAND), nil)
end

app.create
win.show PLACEMENT_SCREEN
app.run