为什么我不能使用Xamarin在可移植类库中引用System.Net.Sockets? [英] Why can't I reference System.Net.Sockets in a Portable Class Library using Xamarin?
问题描述
我正在尝试在可移植类库中使用System.Net.Sockets API，以便我的项目可以将代码重用于套接字连接.但是我无法在我的代码中引用该名称空间.
I am trying to use System.Net.Sockets API in a portable class library so that my projects can reuse code for socket connections. But I cannot reference that namespace in my code.
据我了解，PCL将您限制为在所有目标平台上都可用的程序集.但是我的目标是ios，Android和.Net 4.5(使用Xamarin)，所有这些都应该具有包含API的system.dll程序集.我想念什么?
As I understand it, PCLs limit you to assemblies that are available on all targeted platforms. But I am targeting ios, Android, and .Net 4.5 (using Xamarin), and all of these should have the system.dll assembly that contains the API. What am I missing?
推荐答案
目前，没有没有仅针对PCL配置文件
As it is right now, there is no PCL profile targeting only
- .NET Framework(4/4.03/4.5/4.5.1)
- Xamarin.Android
- Xamarin.iOS
例如，如果您尝试仅使用这些目标定义可移植类库，则项目PCL配置文件将自动添加 Silverlight 5 目标:
If you for example attempt to define a Portable Class Library with only these targets, the project PCL profile will automatically add the Silverlight 5 target:
Even though Silverlight 5 itself does support some of the System.Net.Sockets namespace types, none of these types have been transferred to any PCL profile. As far as I can tell, the PCL System.Net functionality is limited to HTTP networking.
例如，如果选择了 .NET Framework 4.5 ，则它将对应于PCL配置文件24，其 System.Net.dll 内容如下:
For example, if .NET Framework 4.5 is selected, this will correspond to PCL profile 24, for which the System.Net.dll contents are as follows:
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