# File tk/lib/tk.rb, line 182
  def _at(x,y=nil)
    if y
      "@#{Integer(x)},#{Integer(y)}"
    else
      "@#{Integer(x)}"
    end
  end

# File tk/lib/tk.rb, line 904
  def bind(tagOrClass, context, cmd=Proc.new, *args)
    _bind(["bind", tagOrClass], context, cmd, *args)
    tagOrClass
  end

# File tk/lib/tk.rb, line 923
  def bind_all(context, cmd=Proc.new, *args)
    _bind(['bind', 'all'], context, cmd, *args)
    TkBindTag::ALL
  end

# File tk/lib/tk.rb, line 909
  def bind_append(tagOrClass, context, cmd=Proc.new, *args)
    _bind_append(["bind", tagOrClass], context, cmd, *args)
    tagOrClass
  end

# File tk/lib/tk.rb, line 928
  def bind_append_all(context, cmd=Proc.new, *args)
    _bind_append(['bind', 'all'], context, cmd, *args)
    TkBindTag::ALL
  end

# File tk/lib/tk.rb, line 914
  def bind_remove(tagOrClass, context)
    _bind_remove(['bind', tagOrClass], context)
    tagOrClass
  end

# File tk/lib/tk.rb, line 933
  def bind_remove_all(context)
    _bind_remove(['bind', 'all'], context)
    TkBindTag::ALL
  end

# File tk/lib/tk.rb, line 919
  def bindinfo(tagOrClass, context=nil)
    _bindinfo(['bind', tagOrClass], context)
  end

# File tk/lib/tk.rb, line 938
  def bindinfo_all(context=nil)
    _bindinfo(['bind', 'all'], context)
  end

# File tk/lib/tk.rb, line 546
  def image_obj(val)
    if val =~ /^i(_\d+_)?\d+$/
      TkImage::Tk_IMGTBL[val]? TkImage::Tk_IMGTBL[val] : val
    else
      val
    end
  end

# File tk/lib/tk.rb, line 713
  def install_cmd(cmd)
    return '' if cmd == ''
    id = _next_cmd_id
    #Tk_CMDTBL[id] = cmd

    if cmd.kind_of?(TkCallbackEntry)
      TkCore::INTERP.tk_cmd_tbl[id] = cmd
    else
      TkCore::INTERP.tk_cmd_tbl[id] = TkCore::INTERP.get_cb_entry(cmd)
    end
    @cmdtbl = [] unless defined? @cmdtbl
    @cmdtbl.taint unless @cmdtbl.tainted?
    @cmdtbl.push id
    #return Kernel.format("rb_out %s", id);

    return 'rb_out' + TkCore::INTERP._ip_id_ + ' ' + id
  end

# File tk/lib/tk.rb, line 728
  def uninstall_cmd(id)
    id = $1 if /rb_out\S* (c(_\d+_)?\d+)/ =~ id
    #Tk_CMDTBL.delete(id)

    TkCore::INTERP.tk_cmd_tbl.delete(id)
  end