Csharp 标签字体不'；在maui中使用TemplateBinding时不适用

我正在学习毛伊语，这个装订的东西还是很棘手的.

我有一个这样的XAML:

<ScrollView Grid.Row="1"
            Orientation="Horizontal"
            HorizontalOptions="FillAndExpand"
            HorizontalScrollBarVisibility="Default"
            VerticalOptions="Center">
    <HorizontalStackLayout RadioButtonGroup.GroupName="MenuCategories"
                           x:Name="foodTypeStack"
                           VerticalOptions="Start"
                           Spacing="3">
        <BindableLayout.ItemTemplate>
            <DataTemplate>
                <RadioButton Content="{Binding .}">
                    <RadioButton.ControlTemplate>
                        <ControlTemplate>
                            <Grid>

                                <Border x:Name="dishTypeContainer"
                                        MinimumWidthRequest="80"
                                        MaximumHeightRequest="140"
                                        Padding="8,0,8,0"
                                        Stroke="Transparent">
                                    <Border.StrokeShape>
                                        <RoundRectangle CornerRadius="20,20,20,20" />
                                    </Border.StrokeShape>

                                    <Label x:Name="dishTypeTextLabel"
                                           HorizontalOptions="Center"
                                           Text="{TemplateBinding Content.Name}"
                                           FontFamily="Icons"
                                           VerticalOptions="Center" />
                                </Border>

                                <VisualStateManager.VisualStateGroups>
                                    <VisualStateGroupList>
                                        <VisualStateGroup x:Name="CheckedStates">
                                            <VisualState x:Name="Checked">
                                                <VisualState.Setters>
                                                    <Setter TargetName="dishTypeTextLabel"
                                                            Property="Label.TextColor"
                                                            Value="WhiteSmoke" />
                                                    <Setter TargetName="dishTypeContainer"
                                                            Property="Border.BackgroundColor"
                                                            Value="{StaticResource DarkSeaBlue}" />
                                                </VisualState.Setters>
                                            </VisualState>
                                            <VisualState x:Name="Unchecked">
                                                <VisualState.Setters>
                                                    <Setter TargetName="dishTypeTextLabel"
                                                            Property="Label.TextColor"
                                                            Value="{StaticResource LightGray}" />
                                                    <Setter TargetName="dishTypeContainer"
                                                            Property="Border.BackgroundColor"
                                                            Value="WhiteSmoke" />
                                                </VisualState.Setters>
                                            </VisualState>
                                        </VisualStateGroup>
                                    </VisualStateGroupList>
                                </VisualStateManager.VisualStateGroups>
                            </Grid>
                        </ControlTemplate>
                    </RadioButton.ControlTemplate>
                </RadioButton>
            </DataTemplate>
        </BindableLayout.ItemTemplate>
    </HorizontalStackLayout>
</ScrollView>

在.cs文件中，我有这种类型的绑定:

protected override async void OnAppearing()
{
    base.OnAppearing();
    var foodTypes = await menuDatabase.GetFoodTypeListAsync();
    BindableLayout.SetItemsSource(foodTypeStack, foodTypes);
}

单选按钮模板上使用的标签的Icons字体是Fontello字体.

问题是，该标签中的字体不适用.在我开始使用绑定表达式之前，它就起作用了.

帖子主题:Re:Колибри

public static MauiApp CreateMauiApp()
{
    var builder = MauiApp.CreateBuilder();
    builder
        .UseMauiApp<App>()
        .ConfigureFonts(fonts =>
        {
            fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
            fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
            fonts.AddFont("Fontello.ttf", "Icons");
            fonts.AddFont("Rubik-Light.ttf", "RubikLight");
            fonts.AddFont("Rubik-Regular.ttf", "RubikRegular");
        });

    builder.Services.AddSingleton<MauiAppTestDatabase>();

#if DEBUG
    builder.Logging.AddDebug();
#endif
    return builder.Build();
}

这是标签上使用的字符串之一:

 Drink