.net 自定义 app.config 配置部分处理程序
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Custom app.config Config Section Handler
提问by BuddyJoe
What is the correct way to pick up the list of "pages" via a class that inherits from System.Configuration.Section if I used a app.config like this?
如果我使用这样的 app.config，通过继承自 System.Configuration.Section 的类获取“页面”列表的正确方法是什么？
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="XrbSettings" type="Xrb.UI.XrbSettings,Xrb.UI" />
</configSections>
<XrbSettings>
<pages>
<add title="Google" url="http://www.google.com" />
<add title="Yahoo" url="http://www.yahoo.com" />
</pages>
</XrbSettings>
</configuration>
采纳答案by Luke Quinane
First you add a property in the class that extends Section:
首先，在扩展 Section 的类中添加一个属性：
[ConfigurationProperty("pages", IsDefaultCollection = false)]
[ConfigurationCollection(typeof(PageCollection), AddItemName = "add")]
public PageCollection Pages {
get {
return (PageCollection) this["pages"];
}
}
Then you need to make a PageCollection class. All the examples I've seen are pretty much identical so just copy this oneand rename "NamedService" to "Page".
然后你需要创建一个 PageCollection 类。我见过的所有示例都几乎相同，因此只需复制此示例并将“NamedService”重命名为“Page”。
Finally add a class that extends ObjectConfigurationElement:
最后添加一个扩展 ObjectConfigurationElement 的类：
public class PageElement : ObjectConfigurationElement {
[ConfigurationProperty("title", IsRequired = true)]
public string Title {
get {
return (string) this["title"];
}
set {
this["title"] = value;
}
}
[ConfigurationProperty("url", IsRequired = true)]
public string Url {
get {
return (string) this["url"];
}
set {
this["url"] = value;
}
}
}
Here are some files from a sample implementation:
以下是示例实现中的一些文件：
