Custom

The [ObservableObject], [ObservableProperty] and [ICommand] 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 System.Collections.Generic;
using LiveChartsCore;
using LiveChartsCore.SkiaSharpView;
using CommunityToolkit.Mvvm.ComponentModel;

namespace ViewModelsSamples.Pies.Custom;

public partial class ViewModel : ObservableObject
{
    public ISeries[] Series { get; set; } =
    {
        new PieSeries<double> { Values = new List<double> { 4 }, MaxOuterRadius = 0.60 },
        new PieSeries<double> { Values = new List<double> { 5 }, MaxOuterRadius = 0.65 },
        new PieSeries<double> { Values = new List<double> { 3 }, MaxOuterRadius = 0.70 },
        new PieSeries<double> { Values = new List<double> { 5 }, MaxOuterRadius = 0.85 },
        new PieSeries<double> { Values = new List<double> { 7 }, MaxOuterRadius = 1.00 },
    };
}

XAML

<UserControl x:Class="WPFSample.Pies.Custom.View"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:lvc="clr-namespace:LiveChartsCore.SkiaSharpView.WPF;assembly=LiveChartsCore.SkiaSharpView.WPF"
             xmlns:vms="clr-namespace:ViewModelsSamples.Pies.Custom;assembly=ViewModelsSamples">
    <UserControl.DataContext>
        <vms:ViewModel/>
    </UserControl.DataContext>
    <lvc:PieChart Series="{Binding Series}" InitialRotation="-90"/>
</UserControl>

Articles you might also find useful:

Pie chart control
pie series properties