UWP，App.Xaml：覆盖默认画笔

Question

如果我需要覆盖画笔中的颜色，我会将其设置为 App.xaml，如下所示：

<Application.Resources> 

     ...

       <ResourceDictionary>
                <ResourceDictionary.ThemeDictionaries>
                    <ResourceDictionary x:Key="Light">
                        <SolidColorBrush x:Key="PivotHeaderForegroundUnselectedBrush" Color="#A7A9AC" />
                        <SolidColorBrush x:Key="PivotHeaderForegroundSelectedBrush" Color="Black" />
                    </ResourceDictionary>
                </ResourceDictionary.ThemeDictionaries>
            </ResourceDictionary>

         ...
</Application.Resources>

编辑下划线<ResourceDictionary>表示："Each dictionary entry must have an associated key".

如何解决这个问题？

Answer 1

ResourceDictionary 必须放在应用程序资源中：

<Application.Resources>
    <ResourceDictionary>
        <ResourceDictionary.ThemeDictionaries>
            <ResourceDictionary x:Key="Light">
                <SolidColorBrush x:Key="PivotHeaderForegroundUnselectedBrush" Color="#A7A9AC" />
                <SolidColorBrush x:Key="PivotHeaderForegroundSelectedBrush" Color="Black" />
            </ResourceDictionary>
        </ResourceDictionary.ThemeDictionaries>
    </ResourceDictionary>
</Application.Resources>

Answer 2

我解决了这个问题，感谢@Alan Yao - MSFT。 Maybe you have more things there?，我还有别的东西，写进了ResourceDictionary。通过让 ResourceDictionary 成为 Application.Resources 中所有内容的父级，我解决了这个问题。

UWP，App.Xaml：覆盖默认画笔

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