Nightingale Rose

This sample uses C# 13 preview features such as partial properties, it also uses features from the CommunityToolkit.Mvvm package, you can learn 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

namespace ViewModelsSamples.Pies.NightingaleRose;

public class PieData(string name, double value, double offset)
{
    public string Name { get; set; } = name;
    public double[] Values { get; set; } = [value];
    public double Offset { get; set; } = offset;
}

public class ViewModel
{
    public PieData[] Data { get; set; } = [
        new("Mary",     10, 0),
        new("John",     20, 50),
        new("Alice",    30, 100),
        new("Bob",      40, 150)
    ];
}

XAML

<UserControl
    x:Class="AvaloniaSample.Pies.NightingaleRose.View"
    xmlns="https://github.com/avaloniaui"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:lvc="using:LiveChartsCore.SkiaSharpView.Avalonia"
    xmlns:vms="using:ViewModelsSamples.Pies.NightingaleRose"
    x:DataType="vms:ViewModel">

    <UserControl.DataContext>
        <vms:ViewModel/>
    </UserControl.DataContext>

    <lvc:PieChart SeriesSource="{Binding Data}">
        <lvc:PieChart.SeriesTemplate>
            <DataTemplate x:DataType="vms:PieData">
                <lvc:XamlPieSeries
                    SeriesName="{Binding Name}"
                    Values="{Binding Values}"
                    OuterRadiusOffset="{Binding Offset}"
                    InnerRadius="50"/>
            </DataTemplate>
        </lvc:PieChart.SeriesTemplate>
    </lvc:PieChart>

</UserControl>

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