带有静态项目的 XAML 资源？
<Window.Resource>
<ResourceDictionary>
<local:SomeResourceWithObsCollection x:Key="MyItemWithCollection">
<local:SomeClass.Instance /> <!-- THIS DOES NOT WORK -->
</local:SomeResourceWithObsCollection>
</ResourceDictionary>
</Window.Resources>
我不知道如何让该行工作...我尝试过
[ContentProperty("TheItems")]
public class SomeResourceWithObsCollection
{
public class SomeResourceWithObsCollection()
{
TheItems = new ObservableCollection<IMyInterface>();
}
public ObservableCollection<IMyInterface> TheItems { get; set; }
}
public class SomeClass : IMyInterface
{
private static SomeClass _instance = new SomeClass();
private SomeClass() { }
public SomeClass Instance { get { return _instance; } }
}
<Window.Resource>
<ResourceDictionary>
<local:SomeResourceWithObsCollection x:Key="MyItemWithCollection">
<local:SomeClass.Instance /> <!-- THIS DOES NOT WORK -->
</local:SomeResourceWithObsCollection>
</ResourceDictionary>
</Window.Resources>
I don't know how to get that line to work... I've tried doing <x:Static SomeClass.Instance />, but that also isn't allowed.
[ContentProperty("TheItems")]
public class SomeResourceWithObsCollection
{
public class SomeResourceWithObsCollection()
{
TheItems = new ObservableCollection<IMyInterface>();
}
public ObservableCollection<IMyInterface> TheItems { get; set; }
}
public class SomeClass : IMyInterface
{
private static SomeClass _instance = new SomeClass();
private SomeClass() { }
public SomeClass Instance { get { return _instance; } }
}
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评论（2）
截至目前，您无法在 XAML 中执行您要求执行的操作。也许 XAML 的未来版本将解决这个问题。您必须在后面的代码中执行此操作，这是一个示例：
将静态对象添加到资源字典
You can't do what you're asking to do in XAML as of right now. Perhaps future versions of XAML will account for this. You have to do it in the code behind, here is an example:
Adding a static object to a resource dictionary
我可以建议的最接近的是 CompositeCollection 并使用
ListBoxItems（或其他等效项）来包装静态内容（因为我相信您只能使用{x:Static}标记将静态内容拉入 XAML扩展）这可以在 XAML 中使用，如下所示：
The closest I can suggest is a combination of the CompositeCollection and using
ListBoxItems(or some other equivalent) to wrap your static content (as I believe you can only pull static content into XAML using the{x:Static}markup extension)This can be used in XAML as below: