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    <Window.Resources>

        <CollectionViewSource x:Key="sysFonts" Source="{x:Static Fonts.SystemFontFamilies}" />

    </Window.Resources>

    <Grid>

    ;    <Grid.RowDefinitions>

            <RowDefinition Height="Auto"><;/RowDefinition>

            <RowDefinition></RowDefinition>

            <RowDefinition Height="Auto"></RowDefinition>

  &nbsp;  &nbsp;  </Grid.RowDefinitions>

        <ComboBox Name="cbx"

  &nbsp;               ItemsSource="{Binding Source={StaticResource sysFonts}}"

           &nbsp;      IsSynchronizedWithCurrentItem="True" >

 &nbsp;  &nbsp;       <ComboBox.ItemsPanel>

                <ItemsPanelTemplate>

              &nbsp;     <VirtualizingStackPanel></VirtualizingStackPanel>

                </ItemsPanelTemplate>

&nbsp;           &lt;/ComboBox.ItemsPanel>

          &nbsp; <ComboBox.ItemTemplate>

                <DataTemplate>

  <TextBlock Text="{Binding}" FontFamily="{Binding}" FontSize="16"></TextBlock>

                </DataTemplate>

  &nbsp;         </ComboBox.ItemTemplate>;

  &nbsp;     </ComboBox>

        <StackPanel Grid.Row="2" HorizontalAlignment="Center" >

            <TextBlock Text="预览："></TextBlock>

            <TextBlock Text="刘圆圆 123 Mgen"

              ;         FontSize="20"

     &nbsp;                 FontFamily="{Binding Source={StaticResource sysFonts},Path=/}">

  &nbsp;         </TextBlock>

        </StackPanel>

    </Grid>

    <!-- 此代码是在其他原始代码上修改而成 -->

    <!-- 原始代码：//stackoverflow.com/questions/562682/how-can-i-list-colors-in-wpf-with-xaml -->

    <Window.Resources>

  &nbsp;     <ObjectDataProvider MethodName="GetType"

        ;                    ObjectType=&quot;{x:Type sys:Type}" x:Key="colorsTypeOdp">

     &nbsp;      <ObjectDataProvider.MethodParameters>

                <sys:String>System.Windows.Media.Colors, PresentationCore,

 &nbsp;          Version=3.0.0.0, Culture=neutral,

       ;     PublicKeyToken=31bf3856ad364e35</sys:String>

&nbsp;     &nbsp;     </ObjectDataProvider.MethodParameters>

     &nbsp;  </ObjectDataProvider>

     &nbsp;  <ObjectDataProvider ObjectInstance="{StaticResource colorsTypeOdp}" 

                      &nbsp;     MethodName="GetProperties" x:Key="colorPropertiesOdp">

        </ObjectDataProvider>

    </Window.Resources>

    <StackPanel>

        <ComboBox Name="comboBox1" HorizontalContentAlignment="Stretch"

               &nbsp;  ItemsSource="{Binding Source={StaticResource colorPropertiesOdp}}">

            <ComboBox.ItemTemplate>

    &nbsp;           <DataTemplate>

                    <StackPanel Orientation="Horizontal">

                        <Rectangle Fill="{Binding Name}" Margin="1 3" Height="10" Width="100"></Rectangle>

      &nbsp;                 <TextBlock Text="{Binding Name}" Margin="2 0"></TextBlock>

      &nbsp;             </StackPanel>

    &nbsp;        ;   </DataTemplate>

          &nbsp; </ComboBox.ItemTemplate>

        </ComboBox>

    </StackPanel>