[英]Unload event for the default Application Domain?
Is there an Unload event, or any event, notification, message, mechanism, or hook, that i can use to be notified before the "default" application domain is unloaded? 是否有卸载事件,或任何事件,通知,消息,机制或挂钩,我可以用来在“默认”应用程序域卸载之前得到通知?
i have code that needs to know when the application domain (almost always the default domain) is ending. 我有代码需要知道什么时候应用程序域(几乎总是默认域)结束。
Note: i don't know what kind of application a developer will be creating when he uses my code. 注意:我不知道开发人员在使用我的代码时会创建什么样的应用程序。 It could be:
它可能是:
Either way, i need to know when the domain is closing, so i can do some "stuff" . 无论哪种方式,我需要知道域何时关闭,所以我可以做一些“东西” 。 And i am not going to require the user to call any sort of "Shutdown" or "Cleanup" method.
而且我不会要求用户调用任何类型的“关闭”或“清理”方法。 (Also, suggesting that the user be required to call a method themselves doesn't answer the question: which is about being notified when the app domain i'm running in is shut down).
(另外,建议用户需要自己调用方法不回答问题:当我正在运行的应用程序域关闭时,这是关于通知的)。
i forgot to cross post my own answer from my other slight variation of this question . 我忘了从我对这个问题的其他微小变化中反复发表我自己的答案。 Ultimately, the answer came from an answer by MA Hanin .
最终,答案来自MA Hanin的回答 。
There is no DomainUnload
, but there is a ProcessExit
: 没有
DomainUnload
,但有一个ProcessExit
:
class Contoso
{
//constructor
public Contoso()
{
//...
//Catch domain shutdown (Hack: frantically look for things we can catch)
if (AppDomain.CurrentDomain.IsDefaultAppDomain())
AppDomain.CurrentDomain.ProcessExit += MyTerminationHandler;
else
AppDomain.CurrentDomain.DomainUnload += MyTerminationHandler;
}
private void MyTerminationHandler(object sender, EventArgs e)
{
//The domain is dying. Serialize out our values
this.Dispose();
}
...
}
Note : Any code is released into the public domain.
注意 :任何代码都将发布到公共域中。 No attribution required.
无需归属。
AppDomain.CurrentDomain.DomainUnload +=
(object sender, EventArgs e) => { /*do stuff*/ };
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