def reply_text_message(from=nil, to=nil, content)
      message = TextReplyMessage.new
      message.FromUserName = from || @weixin_message.ToUserName
      message.ToUserName   = to   || @weixin_message.FromUserName
      message.Content      = content
      encrypt_message message.to_xml
    end
def reply_text_message(from=nil, to=nil, content)
      message = TextReplyMessage.new
      message.FromUserName = from || @weixin_message.ToUserName
      message.ToUserName   = to   || @weixin_message.FromUserName
      message.Content      = content
      encrypt_message message.to_xml
    end
e.g.
 reply_text_message(@weixin_message.ToUserName, @weixin_message.FromUserName, "Your Message: #{@weixin_message.Content}")
 Or reply_text_message("Your Message: #{@weixin_message.Content}")