Basic Area
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 ContentPage
instance, but LiveCharts controls can be used inside any container.

View model
using CommunityToolkit.Mvvm.ComponentModel;
using LiveChartsCore;
using LiveChartsCore.SkiaSharpView;
using LiveChartsCore.SkiaSharpView.Painting;
using SkiaSharp;
namespace ViewModelsSamples.Lines.Area;
public partial class ViewModel : ObservableObject
{
public ISeries[] Series { get; set; } =
{
new LineSeries<double>
{
Values = new double[] { -2, -1, 3, 5, 3, 4, 6 },
// Set he Fill property to build an area series
// by default the series has a fill color based on your app theme
Fill = new SolidColorPaint(SKColors.CornflowerBlue), // mark
Stroke = null,
GeometryFill = null,
GeometryStroke = null
}
};
// Creates a gray background and border in the draw margin.
public DrawMarginFrame DrawMarginFrame => new()
{
Fill = new SolidColorPaint(new SKColor(220, 220, 220)),
Stroke = new SolidColorPaint(new SKColor(180, 180, 180), 1)
};
}
XAML
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage x:Class="MauiSample.Lines.Area.View"
xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:lvc="clr-namespace:LiveChartsCore.SkiaSharpView.Maui;assembly=LiveChartsCore.SkiaSharpView.Maui"
xmlns:vms="clr-namespace:ViewModelsSamples.Lines.Area;assembly=ViewModelsSamples">
<ContentPage.BindingContext>
<vms:ViewModel/>
</ContentPage.BindingContext>
<lvc:CartesianChart
Series="{Binding Series}"
DrawMarginFrame="{Binding DrawMarginFrame}">
</lvc:CartesianChart>
</ContentPage>