小编Mar*_*sen的帖子

我是C#的新手,试图找出如何轻松实现以下内容:

我有一个订阅者:

public interface ISubscriber
{
    void HandleMessage(IMessage message);
}

class TriggerSubscriber : ISubscriber
{
    public void HandleMessage(IMessage message)
    {
         //This will be called by default   
    }
    public void HandleMessage(TriggerMessage message)
    {
         //This won't work, why?    
    }
}

尝试处理以下消息:

public class TriggerMessage : IMessage
{
    string identifier { get; set; }

    public TriggerMessage(string triggerIdentifier)
    {
        identifier = triggerIdentifier;
    }
}

public interface IMessage
{

}

我预计会调用以下内容:

public void HandleMessage(TriggerMessage message)

代替

public void HandleMessage(IMessage message)

同

ISubscriber trigger = new …