Basic Stacked Area

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.

sample image sample image

View Model

namespace ViewModelsSamples.StackedArea.Basic;

public class ViewModel
{
    public double[] Values1 { get; set; } = [3, 2, 3, 5, 3, 4, 6];
    public double[] Values2 { get; set; } = [6, 5, 6, 3, 8, 5, 2];
    public double[] Values3 { get; set; } = [4, 8, 2, 8, 9, 5, 3];
}

XAML

<UserControl
    x:Class="AvaloniaSample.StackedArea.Basic.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.StackedArea.Basic"
    x:DataType="vms:ViewModel">

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

    <lvc:CartesianChart>
        <lvc:CartesianChart.Series>
            <lvc:XamlStackedAreaSeries Values="{Binding Values1}"/>
            <lvc:XamlStackedAreaSeries Values="{Binding Values2}"/>
            <lvc:XamlStackedAreaSeries Values="{Binding Values3}"/>
        </lvc:CartesianChart.Series>
    </lvc:CartesianChart>

</UserControl>

Articles you might also find useful:

Cartesian chart control
Line series properties