匿名方法和异步 I/O
谁能告诉我，如果我在异步 I/O 中使用匿名方法，是否可能会遇到意外行为？
例如：
Action<Socket> acceptedHandler = DoAccept
SocketAsyncEventArgs e = new SocketAsyncEventArgs();
e.Completed += ((sender, ea) => acceptedHandler(ea.AcceptSocket));
// Server is a Socket
if (!Server.AcceptAsync(e))
acceptedHandler(e);
这同样适用于 BeginXXX/EndXXX 异步 I/O。
Can anyone tell me if I'm likely to run into unintended behavior if I use anonymous methods with Async I/O?
As an example:
Action<Socket> acceptedHandler = DoAccept
SocketAsyncEventArgs e = new SocketAsyncEventArgs();
e.Completed += ((sender, ea) => acceptedHandler(ea.AcceptSocket));
// Server is a Socket
if (!Server.AcceptAsync(e))
acceptedHandler(e);
The same applies to BeginXXX/EndXXX async I/O.
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评论（2）
从您粘贴的代码片段来看，似乎不会有任何问题。唯一需要担心匿名方法的时候是捕获变量时。
From the code snippet you pasted it doesn't seem like there would be any issue. The only time to worry about anonymous methods is when you are capturing variables.
使用匿名方法时无需担心。您的示例实际上是何时使用它们的一个很好的例子。不雅记得正确使用 SocketAsyncEventArgs 类。我希望你的例子是非常人为的。
There is nothing to worry about when using anonymous methods. Your example is actually a good example of when to use them. Indecently remember to properly use the SocketAsyncEventArgs class. I am hoping your example is extremely contrived.