净 - 什么是＆QUOT;开卷＆QUOT;？ [英] .Net - what is an "unwind"?

问题描述

在回答<一href="http://stackoverflow.com/questions/2005386/visual-studio-2008-how-to-jump-back-out-of-a-catch/2005588#2005588">this的问题，我注意到，我得到了下面的对话，同时atempting移动光标，而异常正在处理的：

  

无法下一条语句设置到此位置。放松调用堆栈的尝试失败。

     

解约是不可能在下列情况下：

     

  
1. 在调试是通过刚刚在时间的调试启动。
  
2. 开卷正在进行中
  
3. 系统System.StackOverflowException或System.Threading.ThreadAbortException异常被抛出。
  

究竟什么是开卷

解决方案

<打击>这是我的！

没有，在这种情况下它通常是指通过烟囱加强，去除连续帧，直到你回来到所需水平的过程。

此维基百科页面有更多详细信息。

While answering this question I noticed that I got the following dialog while atempting to move the "cursor" while an exception was being handled:

Unable to set the next statement to this location. The attempt to unwind the callstack failed.

Unwinding is not possible in the following scenarios:

1. Debugging was started via Just-In-Time debugging.
2. An unwind is in progress
3. A System.StackOverflowException or System.Threading.ThreadAbortException exception has been thrown.

What exactly is an unwind?

解决方案

It's me!

No, in this context it typically refers to the process of stepping through a stack, removing successive frames until you've come back to the desired level.

This Wikipedia page has more detail.

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