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The [ObservableObject], [ObservableProperty] and [RelayCommand] attributes come from the CommunityToolkit.Mvvm package, you can read more about it here.

This web site wraps every sample using a UserControl instance, but LiveCharts controls can be used inside any container.

sample image

View model

using CommunityToolkit.Mvvm.ComponentModel;
using LiveChartsCore;
using LiveChartsCore.SkiaSharpView;
using LiveChartsCore.SkiaSharpView.Painting;
using SkiaSharp;

namespace ViewModelsSamples.Axes.LabelsFormat2;

public partial class ViewModel : ObservableObject
{
    public ViewModel()
    {
        // You must register any non-Latin based font //mark
        // you can add this code when the app starts to register Chinese characters: // mark

        LiveCharts.Configure(config =>
            config.HasGlobalSKTypeface(SKFontManager.Default.MatchCharacter('汉')));

        // You can learn more about extra settings at: // mark
        // https://localhost:7053/docs/{{ platform }}/{{ version }}/Overview.Installation#configure-themes-fonts-or-mappers-optional // mark
    }

    public ISeries[] Series { get; set; } =
    {
        new ColumnSeries<double> { Values = new double[] { 426, 583, 104 } },
        new LineSeries<double>   { Values = new double[] { 200, 558, 458 }, Fill = null }
    };

    public Axis[] XAxes { get; set; } =
    {
        new Axis
        {
            Name = "Salesman/woman",
            Labels = new string[] { "王", "赵", "张" },
            LabelsPaint = new SolidColorPaint(SKColors.Black)
        }
    };

    public Axis[] YAxes { get; set; } =
    {
        new Axis
        {
            Name = "Sales amount",
            NamePadding = new LiveChartsCore.Drawing.Padding(0, 15),
            Labeler = Labelers.Currency,
            LabelsPaint = new SolidColorPaint
            {
                Color = SKColors.Blue,
                FontFamily = "Times New Roman",
                SKFontStyle = new SKFontStyle(SKFontStyleWeight.ExtraBold, SKFontStyleWidth.Normal, SKFontStyleSlant.Italic)
            },
        }
    };
}

XAML

<UserControl x:Class="WinUISample.Axes.LabelsFormat2.View"
            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:lvc="using:LiveChartsCore.SkiaSharpView.WinUI"
            xmlns:vms="using:ViewModelsSamples.Axes.LabelsFormat2"
            mc:Ignorable="d">
    <UserControl.DataContext>
        <vms:ViewModel/>
    </UserControl.DataContext>
    <lvc:CartesianChart
        Series="{Binding Series}"
        XAxes="{Binding XAxes}"
        YAxes="{Binding YAxes}">
    </lvc:CartesianChart>
</UserControl>

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