wxruby users - Oct 2009 - How to use menuitems

When I try to work with menus I get the following error message after
selecting "Red" from the colour menu.  The following code produces the
following error message.  What am I doing wrong and how do I fix it.
Thank you in advance.

- Philip

EtestApp.rb:57:in `do_Red'': undefined method
===>`check''<==== for
109:Fixnum (NoMethodError)
  from EtestApp.rb:34:in `initialize''
(now line 125)


Etest.rb

# This class was automatically generated from XRC source. It is not
# recommended that this file is edited directly; instead, inherit from
# this class and extend its behaviour there.
#
# Source file: Etest.xrc
# Generated at: Sun Oct 11 20:05:09 -0600 2009

class EyesFrame < Wx::Frame

  attr_reader :m_statictext7, :m_textrednumber, :m_statictext9,
              :m_textgreennumber, :m_statictext11, :m_textbluenumber,
              :m_buttonchange, :m_menubar1, :m_menu1, :m_miexit,
              :m_menucolour, :m_mired, :m_migreen, :m_miblue,
              :m_miwhite

  def initialize(parent = nil)
    super()
    xml = Wx::XmlResource.get
    xml.flags = 2 # Wx::XRC_NO_SUBCLASSING
    xml.init_all_handlers
    xml.load("Etest.xrc")
    xml.load_frame_subclass(self, parent, "MyFrame")

    finder = lambda do | x |
      int_id = Wx::xrcid(x)
      begin
        Wx::Window.find_window_by_id(int_id, self) || int_id
      # Temporary hack to work around regression in 1.9.2; remove
      # begin/rescue clause in later versions
      rescue RuntimeError
        int_id
      end
    end

    @m_statictext7 = finder.call("m_staticText7")
    @m_textrednumber = finder.call("m_textRedNumber")
    @m_statictext9 = finder.call("m_staticText9")
    @m_textgreennumber = finder.call("m_textGreenNumber")
    @m_statictext11 = finder.call("m_staticText11")
    @m_textbluenumber = finder.call("m_textBlueNumber")
    @m_buttonchange = finder.call("m_buttonchange")
    @m_menubar1 = finder.call("m_menubar1")
    @m_menu1 = finder.call("m_menu1")
    @m_miexit = finder.call("m_miexit")
    @m_menucolour = finder.call("m_menuColour")
    @m_mired = finder.call("m_miRed")
    @m_migreen = finder.call("m_miGreen")
    @m_miblue = finder.call("m_miBlue")
    @m_miwhite = finder.call("m_miwhite")
    if self.class.method_defined? "on_init"
      self.on_init()
    end
  end
end

Etest.App.rb

begin
  require ''rubygems''
rescue LoadError
end
require ''wx''
require ''Etest.rb''

class AppFrame < EyesFrame
 # Inherit from the generated base class and set up event handlers

   # set up pen and brush colours

   @red_value = 0
   @green_value = 0
   @blue_value = 0

   # Create Needed Brushes and Pens
   BG_BRUSH = Wx::Brush.new
   @fg_pen = Wx::Pen.new

   @font = Wx::NULL_FONT
   @text_colour = Wx::NULL_COLOUR

   def initialize()
      super()
      @font = Wx::Font.new(50,Wx::FONTFAMILY_TELETYPE,
                        Wx::FONTSTYLE_NORMAL,Wx::FONTWEIGHT_NORMAL)
      BG_BRUSH.set_colour(255,0, 0)
      # Setup the actual data to be stored in Brushes and Pens

      do_rndValues
      evt_button(@m_buttonchange) { do_rndValues }
      evt_paint { on_paint }
      evt_menu(@m_mired) { do_Red}
      evt_menu(@m_migreen) { do_Green }
      evt_menu(@m_miblue) { do_Blue }
      evt_menu(@m_miwhite) { do_white }
   end

   def do_rndValues
     @red_value = rand(255)
     @green_value = rand(255)
     @blue_value = rand(255)
     @m_textrednumber.label = @red_value.to_s
     @m_textgreennumber.label = @green_value.to_s
     @m_textbluenumber.label = @blue_value.to_s
     refresh()
   end

   def do_Red()
      @red_value = 255
      @green_value = 0
      @blue_value = 0
      @m_textrednumber.label = @red_value.to_s
      @m_textgreennumber.label = @green_value.to_s
      @m_textbluenumber.label = @blue_value.to_s
      @m_mired.check(true)
      @m_migreen.check(false)
      @m_miblue.check(false)
      @m_miwhite.check(false)

      refresh()
   end

   def on_paint
     # We do our drawing now
     rect = self.get_client_size
     paint do |dc|
        gdc = Wx::GraphicsContext.create(dc)

        # draw rectangle
        temp_brush = gdc.create_brush(BG_BRUSH)
        gdc.set_brush(temp_brush)

        x = 0
        y = 0
        w = 300
        h = 260
        gdc.draw_rectangle(x,y,w,h)
     end # paint do
  end # on paint
end

Wx::App.run do
  AppFrame.new.show
end
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