def reply_video_message(from=nil, to=nil, video)
      message = VideoReplyMessage.new
      message.FromUserName = from || @weixin_message.ToUserName
      message.ToUserName   = to   || @weixin_message.FromUserName
      message.Video = video
      encrypt_message message.to_xml
    end
def reply_video_message(from=nil, to=nil, video)
      message = VideoReplyMessage.new
      message.FromUserName = from || @weixin_message.ToUserName
      message.ToUserName   = to   || @weixin_message.FromUserName
      message.Video = video
      encrypt_message message.to_xml
    end
<xml>
 <ToUserName><![CDATA[toUser]]></ToUserName>
 <FromUserName><![CDATA[fromUser]]></FromUserName>
 <CreateTime>12345678</CreateTime>
 <MsgType><![CDATA[video]]></MsgType>
 <Video>
 <MediaId><![CDATA[media_id]]></MediaId>
 <Title><![CDATA[title]]></Title>
 <Description><![CDATA[description]]></Description>
 </Video>
 </xml>