我正在开发一个 UWP 应用程序。我想要一个带有后退和前进按钮的命令栏，以帮助用户前后导航。但是，用户界面并没有变成我想要实现的目标。
这就是我想要实现的目标：
这就是我的 UI 现在的样子：
后退和前进显示为文本而不是图标，它们位于命令栏的右侧。
这是我的 XAML 代码：
<CommandBar IsSticky="True"
IsOpen="True"
Name="WebViewCommandBar"
Background="{StaticResource CitiKioskBackgroundBrush}"
HorizontalAlignment="Stretch"
VerticalAlignment="Bottom">
<CommandBar.Transitions>
<TransitionCollection>
</TransitionCollection>
</CommandBar.Transitions>
<CommandBar.PrimaryCommands>
<AppBarToggleButton Label="Instagram"
IsCompact="True"
IsChecked="True"
Name="WebViewInstagramButton"
Click="WebViewInstagramButton_Click">
<AppBarToggleButton.Icon>
<PathIcon HorizontalAlignment="Center"
VerticalAlignment="Center"
Foreground="White"
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</AppBarToggleButton.Icon>
</AppBarToggleButton>
<AppBarToggleButton Label="Facebook"
IsCompact="True"
Foreground="White"
Name="WebViewFacebookButton"
Click="WebViewBackButton_Click">
<AppBarToggleButton.Icon>
<PathIcon HorizontalAlignment="Center"
VerticalAlignment="Center"
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</AppBarToggleButton.Icon>
</AppBarToggleButton>
<AppBarToggleButton Label="Twitter"
IsCompact="True"
Foreground="White"
Name="WebViewTwitterButton"
Click="WebViewTwitterButton_Click">
<AppBarToggleButton.Icon>
<PathIcon HorizontalAlignment="Center"
VerticalAlignment="Center"
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</AppBarToggleButton.Icon>
</AppBarToggleButton>
<AppBarToggleButton Label="YouTube"
IsCompact="True"
Foreground="White"
Name="WebViewYouTubeButton"
Click="WebViewYouTubeButton_Click">
<AppBarToggleButton.Icon>
<PathIcon HorizontalAlignment="Center"
VerticalAlignment="Center"
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</AppBarToggleButton>
<AppBarSeparator/>
<AppBarButton Icon="Refresh"
Label="Refresh"
IsCompact="True"
Name="WebViewRefreshButton"
Foreground="White"
Click="WebViewRefreshButton_Click"/>
<AppBarButton Icon="DockBottom"
Label="Hide"
IsCompact="True"
Foreground="White"
Name="WebViewHideNavigationButton"
Click="WebViewHideNavigationButton_Click"/>
</CommandBar.PrimaryCommands>
<CommandBar.SecondaryCommands>
<AppBarButton Icon="Back"
Label="Back"
IsCompact="True"
IsEnabled="{Binding CanGoBack,ElementName=webView}"
Name="WebViewBackButton"
Click="WebViewBackButton_Click" />
<AppBarButton Icon="Forward"
Label="Forward"
IsCompact="True"
IsEnabled="{Binding CanGoForward,ElementName=webView}"
Name="WebViewForwardButton"
Click="WebViewForwardButton_Click" />
</CommandBar.SecondaryCommands>
</CommandBar>