public void publisher_DataPublisher1(object sender, MessageArgument <string> e)
{
Console.WriteLine("make up interested in :");
Console.WriteLine(e.Message);
}
//PublishData publisher class method that publish data to Subscribers
public void PublishData(T data)
{
MessageArgument <T> message = (MessageArgument <T>)Activator.CreateInstance(typeof(MessageArgument <T>), new object[] { data });
OnDataPublisher(message);
}