Basic Pie
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 LiveChartsCore;
using LiveChartsCore.SkiaSharpView;
using CommunityToolkit.Mvvm.ComponentModel;
using System.Collections.Generic;
using LiveChartsCore.SkiaSharpView.Painting;
using SkiaSharp;
using LiveChartsCore.SkiaSharpView.VisualElements;
using LiveChartsCore.SkiaSharpView.Extensions;
namespace ViewModelsSamples.Pies.Basic;
public partial class ViewModel : ObservableObject
{
// you can convert any array, list or IEnumerable<T> to a pie series collection:
public IEnumerable<ISeries> Series { get; set; } =
new[] { 2, 4, 1, 4, 3 }.AsPieSeries();
// the expression above is equivalent to the next series collection:
public IEnumerable<ISeries> Series2 { get; set; } =
new[]
{
new PieSeries<int> { Values = new[]{ 2 } },
new PieSeries<int> { Values = new[]{ 4 } },
new PieSeries<int> { Values = new[]{ 1 } },
new PieSeries<int> { Values = new[]{ 4 } },
new PieSeries<int> { Values = new[]{ 3 } },
};
public LabelVisual Title { get; set; } =
new LabelVisual
{
Text = "My chart title",
TextSize = 25,
Padding = new LiveChartsCore.Drawing.Padding(15),
Paint = new SolidColorPaint(SKColors.DarkSlateGray)
};
}
XAML
<UserControl x:Class="AvaloniaSample.Pies.Basic.View"
xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:lv="clr-namespace:LiveChartsCore;assembly=LiveChartsCore"
xmlns:lvc="using:LiveChartsCore.SkiaSharpView.Avalonia"
xmlns:vms="using:ViewModelsSamples.Pies.Basic">
<UserControl.DataContext>
<vms:ViewModel/>
</UserControl.DataContext>
<lvc:PieChart Series="{Binding Series}" Title="{Binding Title}"/>
</UserControl>
