Question

我正在尝试在xaml Toolkit中实现Material Design并收到此错误

The name "XamlDisplay" does not exist in the namespace "clr-namespace:ShowMeTheXAML;assembly=ShowMeTheXAML"

我刚从官方文档中复制并粘贴了此代码 Xaml code
我试过这里提供的解决方案Other Question on StackOverflow，比如将Debug更改为Release模式，清理shadowCache和DLL文件权限但这些都只是技巧而且不是可靠的答案而且它们对我不起作用。发生了什么错误？
我的Xaml代码

<Window x:Class="MaterialTestApp.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:local="clr-namespace:MaterialTestApp"
    mc:Ignorable="d"
    xmlns:smtx="clr-namespace:ShowMeTheXAML;assembly=ShowMeTheXAML"
    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
    TextElement.Foreground="{DynamicResource MaterialDesignBody}"
    TextElement.FontWeight="Regular"
    TextElement.FontSize="13"
    TextOptions.TextFormattingMode="Ideal" 
    TextOptions.TextRenderingMode="Auto"        
    Background="{DynamicResource MaterialDesignPaper}"
    FontFamily="{DynamicResource MaterialDesignFont}">
<Grid>
    <StackPanel Margin="8 8 0 0">
        <TextBlock>Raised controls have default shadows set, but the shadows can be overriden.</TextBlock>
        <StackPanel Orientation="Horizontal" Margin="0 32 0 0">
            <smtx:XamlDisplay Key="shadow_1">
                <Button Style="{DynamicResource MaterialDesignRaisedButton}"
                    >DEPTH 1</Button>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_2" Margin="16 0 0 0">
                <Button Style="{DynamicResource MaterialDesignRaisedButton}"
                    materialDesign:ShadowAssist.ShadowDepth="Depth2"
                    >DEPTH 2</Button>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_3" Margin="16 0 0 0">
                <Button Style="{DynamicResource MaterialDesignRaisedButton}"
                    materialDesign:ShadowAssist.ShadowDepth="Depth3"
                    >DEPTH 3</Button>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_4" Margin="16 0 0 0">
                <Button Style="{DynamicResource MaterialDesignRaisedButton}"
                    materialDesign:ShadowAssist.ShadowDepth="Depth4"
                    >DEPTH 4</Button>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_5" Margin="16 0 0 0">
                <Button Style="{DynamicResource MaterialDesignRaisedButton}"
                    materialDesign:ShadowAssist.ShadowDepth="Depth5"
                    >DEPTH 5</Button>
            </smtx:XamlDisplay>
        </StackPanel>
        <StackPanel Orientation="Horizontal" Margin="0 32 0 0">
            <smtx:XamlDisplay Key="shadow_6">
                <Button Style="{DynamicResource MaterialDesignFloatingActionMiniButton}"
                    materialDesign:ShadowAssist.ShadowDepth="Depth1"
                    >1</Button>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_7" Margin="16 0 0 0">
                <Button Style="{DynamicResource MaterialDesignFloatingActionMiniButton}"
                    materialDesign:ShadowAssist.ShadowDepth="Depth2"
                    >2</Button>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_8" Margin="16 0 0 0">
                <Button Style="{DynamicResource MaterialDesignFloatingActionMiniButton}"
                    materialDesign:ShadowAssist.ShadowDepth="Depth3"
                    >3</Button>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_9" Margin="16 0 0 0">
                <Button Style="{DynamicResource MaterialDesignFloatingActionMiniButton}"
                    materialDesign:ShadowAssist.ShadowDepth="Depth4"
                    >4</Button>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_10" Margin="16 0 0 0">
                <Button Style="{DynamicResource MaterialDesignFloatingActionMiniButton}"
                    materialDesign:ShadowAssist.ShadowDepth="Depth5"
                    >5</Button>
            </smtx:XamlDisplay>
        </StackPanel>
        <StackPanel Orientation="Horizontal" Margin="0 32 0 0">
            <smtx:XamlDisplay Key="shadow_11">
                <materialDesign:Card materialDesign:ShadowAssist.ShadowDepth="Depth1" Padding="32">DEPTH 1</materialDesign:Card>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_12" Margin="16 0 0 0">
                <materialDesign:Card materialDesign:ShadowAssist.ShadowDepth="Depth2" Padding="32">DEPTH 2</materialDesign:Card>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_13" Margin="16 0 0 0">
                <materialDesign:Card materialDesign:ShadowAssist.ShadowDepth="Depth3" Padding="32">DEPTH 3</materialDesign:Card>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_14" Margin="16 0 0 0">
                <materialDesign:Card materialDesign:ShadowAssist.ShadowDepth="Depth4" Padding="32">DEPTH 4</materialDesign:Card>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_15" Margin="16 0 0 0">
                <materialDesign:Card materialDesign:ShadowAssist.ShadowDepth="Depth5" Padding="32">DEPTH 5</materialDesign:Card>
            </smtx:XamlDisplay>
        </StackPanel>
        <StackPanel Orientation="Horizontal" Margin="0 32 0 0">
            <smtx:XamlDisplay Key="shadow_16">
                <materialDesign:Card materialDesign:ShadowAssist.ShadowDepth="Depth3" materialDesign:ShadowAssist.ShadowEdges="Bottom,Right" Padding="32">CUSTOM CLIP</materialDesign:Card>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_17" Margin="16 0 0 0">
                <materialDesign:Card materialDesign:ShadowAssist.ShadowDepth="Depth3" materialDesign:ShadowAssist.ShadowEdges="Top" Padding="32">CUSTOM CLIP</materialDesign:Card>
            </smtx:XamlDisplay>
            <smtx:XamlDisplay Key="shadow_18" Margin="16 0 0 0">
                <materialDesign:Card materialDesign:ShadowAssist.ShadowDepth="Depth3" materialDesign:ShadowAssist.ShadowEdges="Bottom,Left" Padding="32">CUSTOM CLIP</materialDesign:Card>
            </smtx:XamlDisplay>
        </StackPanel>
    </StackPanel>
</Grid>

App.Xaml

<Application x:Class="Test_App.App"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:local="clr-namespace:Test_App"
         StartupUri="MainWindow.xaml">
<Application.Resources>
    <ResourceDictionary>
        <ResourceDictionary.MergedDictionaries>

            <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Light.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.DeepPurple.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Lime.xaml" />

        </ResourceDictionary.MergedDictionaries>
    </ResourceDictionary>
</Application.Resources>

Answer 1

我是ShowMeTheXaml的作者。该项目的目的是为MaterialDesignInXAML（MDIX）中的演示应用程序提供显示MDIX控件和样式的相应XAML的功能。除非您想在应用程序中使用相同的功能（非常不可能），否则可以从项目中删除ShowMeTheXaml。至于你的xaml，你只需删除<smtx:XamlDisplay>标签并保留内容即可。

Answer 2

好吧所以问题是我错过了ShowMeTheXaml的参考，并且必须使用Nugget Package Manager安装手动，就是这样:)

ShowMeTheXaml

名称＆＃34; XamlDisplay＆＃34;在命名空间中不存在

2 个答案: