August 2019
Intermediate to advanced
1074 pages
24h 28m
Chinese
Content preview from C# 7.0 核心技术指南（原书第7版）
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5
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Windows 工作流严格意义上并非一种后台技术，你可以在任何地方使用它（例如，UI 的
页面流中）。
Windows 工 作流是从 .NET Framework 3.0 开 始出现的，它的类型定义在 System.
WorkFlow 命名空间中。工作流在 .NET Framework 4.0 时进行了可观的修改，新增加的
类型位于 System.Activities 命名空间中。
5.3.2.3 COM+ 和 MSMQ（仅支持 .NET Framework）
.NET Framework 支持通过 System.EnterpriceServices 命名空间中的类型与 COM+
进行互操作，以实现诸如分布式事务等服务。它也支持通过 System.Messaging 命名空
间中的类型使用 MSMQ（微软消息队列）进行异步、单向的消息传递。
5.3.3 分布式系统技术
5.3.3.1 Windows Communication Foundation（WCF）
WCF 是 .NET Framework 3.0 中引入的一个复杂的通信基础架构。WCF 非常灵活且可以
进行配置。它几乎可以完全替代其前任框架：Remoting 和（.ASMX）Web 服务了。
WCF、Remoting 和 Web 服务的相似之处在于它们都实现了客户端和服务器通信的基本
模型：
•
在服务器端，可以指定远程客户端应用程序能够调用的方法。
•
在客户端，可以指定或推断将要调用的服务器方法的签名。
•
在服务器和客户端，都可以选择一种传输和通信协议（ ...
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