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我正在将使用 MahApps.Metro 样式的 wpf .netframework 4.7 应用程序升级到 wpf .netcoreapp3.1 应用程序。迁移后我得到：

System.Windows.Markup.XamlParseException: ''在 'System.Windows.StaticResourceExtension' 上提供值引发异常。

例外：找不到名为“MetroButton”的资源。资源名称区分大小写。

<ResourceDictionary.MergedDictionaries>
            <!-- MahApps.Metro resource dictionaries. Make sure that all file names are Case Sensitive! -->
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/VS/Colors.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/VS/Button.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/VS/Styles.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml" />

            <ResourceDictionary>
                <!--Button-->
                <Style x:Key="SmallButtonStyle" TargetType="Button" BasedOn="{StaticResource MetroButton}">
                    <Setter Property="Height" Value="40" />
                    <Setter Property="Width" Value="200" />
                    <Setter Property="Margin" Value="5,2" />
                    <Setter Property="FontSize" Value="14" />
                </Style>
                <Style x:Key="StandardButtonStyle" TargetType="Button" BasedOn="{StaticResource MetroButton}">
                    <Setter Property="Height" Value="50" />
                    <Setter Property="Width" Value="350" />
                    <Setter Property="Margin" Value="10,5" />
                    <Setter Property="FontSize" Value="20" />
                </Style>

这适用于 .netframework 4.7 下的 MahApps.Metro 版本 1.65，但使用 MahApps.Metro 2.0.0-alpha0748 我得到了例外。

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1 回答 1

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解决方案：将MetroButton更改为MahApps.Styles.Button

 <Style x:Key="SmallButtonStyle" TargetType="Button" BasedOn="{StaticResource MahApps.Styles.Button}">
                    <Setter Property="Height" Value="40" />
                    <Setter Property="Width" Value="200" />
                    <Setter Property="Margin" Value="5,2" />
                    <Setter Property="FontSize" Value="14" />
                </Style>
于 2020-04-23T14:37:00.317 回答