推送消息到队列
IMNS nativeclient = new Aliyun.MNS.MNSClient(accessKeyId, accessKeySecret, endpoint, _stsToken);var nativeSend = nativeclient.GetNativeTopic("SMQ");nativeSend.PublishMessage("推送消息内容");

需要引用Aliyun.MNS.dll

下载地址是：https://download.csdn.net/download/leidong2009/88820291