在.NET在不同的程序集版本你如何保持user.config设置？ [英] How do you keep user.config settings across different assembly versions in .net?

问题描述

基本上，问题是，每一次（即用户安装应用程序的新版本）所有的设置与复位默认值（或更精确地创建一个新的user.config文件的文件夹中的程序集版本的变化不同的版本号作为名称）

Basically the problem is that each time the assembly version changes (i.e. the user installs a new version of the application) all their settings are reset the the defaults (or more accurately a new user.config file is created in a folder with a different version number as the name)

如何才能保持相同的设置升级版本时，因为使用INI文件或注册表似乎气馁？

How can I keep the same settings when upgrading versions, since using ini files or the registry seem to be discouraged?

当我们使用的ClickOnce它似乎能够处理这个问题，所以现在看来​​似乎应该可以做，但我不知道怎么样。

When we used Clickonce it seemed to be able to handle this, so it seems like it should be able to be done, but I'm not sure how.

推荐答案

ApplicationSettingsBase有一个<一个href="http://msdn.microsoft.com/en-us/library/system.configuration.applicationsettingsbase.upgrade.aspx">method所谓的升级其迁移所有设置从previous版本。

ApplicationSettingsBase has a method called Upgrade which migrates all settings from the previous version.

为了运行，只要你发布你的应用程序的新版本合并，你可以定义一个布尔标志在你的设置文件默认为true。将其命名为 UpgradeRequired 或类似的东西。

In order to run the merge whenever you publish a new version of your application you can define a boolean flag in your settings file that defaults to true. Name it UpgradeRequired or something similar.

然后，在应用程序启动您检查是否设置了标志，如果是，调用<一href="http://msdn.microsoft.com/en-us/library/system.configuration.applicationsettingsbase.upgrade.aspx">Upgrade法，将该标志设置为false，并保存配置。

Then, at application start you check to see if the flag is set and if it is, call the Upgrade method, set the flag to false and save your configuration.

if (Settings.Default.UpgradeRequired)
{
    Settings.Default.Upgrade();
    Settings.Default.UpgradeRequired = false;
    Settings.Default.Save();
}

了解更多有关升级方法的<一个href="http://msdn.microsoft.com/en-us/library/system.configuration.applicationsettingsbase.upgrade.aspx">MSDN.该<一href="http://msdn.microsoft.com/en-us/library/system.configuration.applicationsettingsbase.get$p$pviousversion.aspx">Get$p$pviousVersion也可能是值得一试，如果你需要做一些定制的融合。

Read more about the Upgrade method at MSDN. The GetPreviousVersion might also be worth a look if you need to do some custom merging.

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