Basic Area
The [ObservableObject], [ObservableProperty] and [RelayCommand] 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.
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
<UserControl x:Class="UnoWinUISample.Lines.Area.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.Lines.Area"
mc:Ignorable="d">
<UserControl.DataContext>
<vms:ViewModel/>
</UserControl.DataContext>
<lvc:CartesianChart
Series="{Binding Series}"
DrawMarginFrame="{Binding DrawMarginFrame}">
</lvc:CartesianChart>
</UserControl>
