问题描述
我知道，当你设置为true，将卷影副本的files.But什么卷影副本的意思是，为什么我们要卷影复制文件？
I know when you set to true ,it will shadow copy the files.But what does shadow copy mean and why we need to shadow copy files?
推荐答案
卷影复制创建您引用的组件的副本。
Shadow copy creates a copy of the assembly you are referencing.
这样做的原因是，净（更准确的Windows）无法卸载，一旦加载的过程中（部分）组件。正因为如此，你永远无法替代的组件，而无需关闭整个过程，因为该文件仍然锁定操作系统。
The reason for this is that .Net (more exactly Windows) cannot unload (some) assemblies within a process once loaded. Because of this you could never replace an assembly without shutting down the entire process because the file remains locked by the OS.
不过，如果你有一个卷影副本的.Net实际使用的加载你的课程，你可以替换原来的.dll文件，并只卷影副本（也没人关心有关）保持锁定。
However if you have a shadow copy .Net actually uses that to load your classes you can replace the original .dll file and only the shadow copy (that nobody 'cares' about) stays locked.
这是在某些环境中尤为重要（如Web服务器，你显然不希望关闭整个服务器只运行一些网络应用程序的新版本）。
This is especially important in some environments (e.g. a webserver where you obviously don't want to shut down the entire server just to run a new version of some web-application).
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