WPF - 资源未从 Generic.xaml 加载

发布于 2024-10-31 20:10:34 字数 1227 浏览 1 评论 0原文

Themes\Generic.xaml：

<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <ResourceDictionary.MergedDictionaries>
        <ResourceDictionary Source="WPF Commons;component/Controls/Layout/Foo/FooItem.xaml" />
    </ResourceDictionary.MergedDictionaries>
</ResourceDictionary>

Controls\Layout\Foo\FooItem.xaml：

<Style TargetType="{x:Type l:FooItem}">
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="{x:Type l:FooItem}">
                <Border>
                    <ContentPresenter ContentSource="Header" />
                </Border>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

如果我将整个样式复制到我的用户控件资源中，它就可以正常工作。但是，如果我不这样做，用户控件将显示为空。在 Expression Blend 4 中，我右键单击并选择编辑模板>，但它不允许我选择编辑副本...，这让我相信出现严重错误并且 Generic.xaml 无法正确加载。我认为它是 Generic.xaml，因为如果我删除 MergedDictionary 调用并将 xaml 样式直接复制/粘贴到 Generic.xaml 中，它仍然不起作用。

原文

Themes\Generic.xaml:

<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <ResourceDictionary.MergedDictionaries>
        <ResourceDictionary Source="WPF Commons;component/Controls/Layout/Foo/FooItem.xaml" />
    </ResourceDictionary.MergedDictionaries>
</ResourceDictionary>

Controls\Layout\Foo\FooItem.xaml:

<Style TargetType="{x:Type l:FooItem}">
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="{x:Type l:FooItem}">
                <Border>
                    <ContentPresenter ContentSource="Header" />
                </Border>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

If I copy the entire style into my usercontrol resources it works fine. But, if I don't, the usercontrol shows up empty. In Expression Blend 4, I right-clicked and chose Edit Template>, but it won't let me select Edit a Copy... which leads me to believe that something is severely wrong and the Generic.xaml isn't loading properly. I figure it's Generic.xaml because if I remove the MergedDictionary call and copy/paste the xaml style directly into Generic.xaml it still doesn't work.

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无可置疑 2024-11-07 20:10:34

我会大胆猜测您更改了 AssemblyInfo.cs 文件并更改（或删除）了以下行：

[assembly: ThemeInfo(
    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
    //(used if a resource is not found in the page, 
    // or application resource dictionaries)
    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
    //(used if a resource is not found in the page, 
    // app, or any theme specific resource dictionaries)
)]

您需要告诉程序集有关您的 ThemeInfo 的信息。 :)

I'm gonna take a wild guess that you altered your AssemblyInfo.cs file and either changed (or removed) the following line:

[assembly: ThemeInfo(
    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
    //(used if a resource is not found in the page, 
    // or application resource dictionaries)
    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
    //(used if a resource is not found in the page, 
    // app, or any theme specific resource dictionaries)
)]

You need to tell your assembly about your ThemeInfo. :)

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撕心裂肺的伤痛 2024-11-07 20:10:34

从我的博客复制：

在您需要的 Properties\AssemblyInfo.cs 的开头（请注意，这在 Silverlight 中不使用/不需要）：
使用系统.Windows；
...
请注意，如果项目在解决方案资源管理器中未显示“属性”节点，则必须使用正确的模板（对于 WPF 自定义控件）创建一个新项目，或者右键单击该项目，选择“属性”，然后按“程序集信息”按钮并输入一些虚拟值，然后单击“确定”以创建“属性”节点（同时也会创建“属性”子文件夹和 AssemblyInfo.cs 文件）。
您可以在解决方案资源管理器中展开（下拉）特殊的“属性”节点，然后打开 AssemblyInfo.cs 并添加上述内容（如果缺少）