# File examples/fox/bitmapper.rb, line 123
  def onCmdFileList(sender, sel, index)
    if index >= 0
      if @filelist.isItemDirectory(index)
        @filelist.directory = @filelist.getItemPathname(index)
      elsif @filelist.isItemFile(index)
        @filename = @filelist.getItemPathname(index)
        loadImage(@filename)
      end
    end
    return 1
  end