Basic Stacked Area

Hover over the image to see the chart animation

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

sample image sample image

View Model

using System.Collections.Generic;
using CommunityToolkit.Mvvm.ComponentModel;
using LiveChartsCore;
using LiveChartsCore.SkiaSharpView;

namespace ViewModelsSamples.StackedArea.Basic;

public partial class ViewModel : ObservableObject
{
    public ISeries[] Series { get; set; } =
    {
        new StackedAreaSeries<double>
        {
            Values = new List<double> { 3, 2, 3, 5, 3, 4, 6 }
        },
        new StackedAreaSeries<double>
        {
            Values = new List<double> { 6, 5, 6, 3, 8, 5, 2 }
        },
        new StackedAreaSeries<double>
        {
            Values = new List<double> { 4, 8, 2, 8, 9, 5, 3 }
        }
    };
}

XAML

<UserControl
    x:Class="UnoWinUISample.StackedArea.Basic.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.StackedArea.Basic"
    mc:Ignorable="d">

    <UserControl.DataContext>
        <vms:ViewModel/>
    </UserControl.DataContext>
    <Grid>
        <lvc:CartesianChart Series="{Binding Series}"></lvc:CartesianChart>
    </Grid>

</UserControl>

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