WCF中，为什么IChannelFactory不像IChannelListener那样要求类型参数TChannel是引用类型？
1
悬赏园豆：10
[已关闭问题]
关闭于 2019-05-31 12:42
public interface IChannelListener<TChannel> : IChannelListener, ICommunicationObject
where TChannel : class, System.ServiceModel.Channels.IChannel
{
.....
}
public interface IChannelFactory<TChannel> : IChannelFactory, ICommunicationObject
{
.....
}
