让 ComponentResourceKey 工作? [英] Getting a ComponentResourceKey to Work?

问题描述

我正在构建一个包含多个程序集的 WPF 应用程序，我想在它们之间共享一个资源字典.这需要 ComponentResourceKey.我已经构建了一个小演示来测试 CRK，但我似乎无法让它工作.

I am building a WPF app with several assemblies, and I want to share a resource dictionary among them. That requires a ComponentResourceKey. I have built a small demo to test out the CRK, and I can't seem to get it working.

我的演示有两个项目，一个名为 Demo 的 WPF 项目和一个名为 Common 的 DLL.Common 项目有一个名为 Themes 的文件夹.它包含我的资源字典 generic.xaml.这是资源字典的文本:

My demo has two projects, a WPF project called Demo, and a DLL called Common. The Common project has a folder called Themes. It contains my resource dictionary, generic.xaml. Here is the text of the Resource dictionary:

<ResourceDictionary 
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:Common" >

    <SolidColorBrush 
        x:Key="{ComponentResourceKey TypeInTargetAssembly={x:Type local:SharedResources}, ResourceId=RedSolidBrush}" 
        Color="Red"/>

</ResourceDictionary>

Common 还包含一个名为 SharedResources.cs 的类.它包含一个用于在字典中引用 Brush 资源的属性:

Common also contains a class called SharedResources.cs. It contains a property for referencing the Brush resource in the dictionary:

public static ComponentResourceKey RedSolidBrush
{
    get { return new ComponentResourceKey(typeof (SharedResources), "RedSolidBrush"); }
}

最后，我的Demo项目中的主窗口引用了画笔资源来填充一个矩形:

Finally, the main window in my Demo project references the brush resource to fill a rectangle:

<Window x:Class="ComponentResourceKeyDemo.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:res="clr-namespace:Common;assembly=Common"
    Title="Window1" Height="300" Width="300">
    <Grid>
        <Rectangle Height="100" Width="100" Stroke="Black" Fill="{DynamicResource {ComponentResourceKey TypeInTargetAssembly={x:Type res:SharedResources}, ResourceId=RedSolidBrush}}" />
    </Grid>
</Window>

我找不到它不工作的原因.它在 VS 2008 和 Blend 中编译得很好，但没有调用资源.我唯一的线索是 Blend 中的一条错误消息:

I can't find the reason it's not working. It compiles fine in VS 2008 and Blend, but the resource isn't invoked. The only clue I have is an error message in Blend:

The Resource "{ComponentResourceKey ResourceId=RedSolidBrush, TypeInTargetAssembly={x:Type res:SharedResources}}" could not be resolved.

知道为什么这不起作用吗?谢谢你的帮助.

Any idea why this isn't working? Thanks for your help.

推荐答案

我发现了我的问题.我将组件资源键与资源字典中的资源 ID 混淆了.换句话说，我的组件资源密钥与资源 ID 相同.我将静态属性更改为:

I found my problem. I was confusing the Component Resource Key with the Resource ID inside the resource dictionary. In other words, my Component Resource Key was the same as the Resource ID. I changed my static property to this:

public static ComponentResourceKey RedBrushKey
{
    get {return new ComponentResourceKey(typeof(SharedResources), "RedSolidBrush"); }
}

属性名称现在是 RedBrushKey，而不是 RedSolidBrush.密钥现在起作用了.

The property name is now RedBrushKey, instead of RedSolidBrush. And the key is now working.

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