Nightingale Rose
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 System.Collections.Generic;
using LiveChartsCore;
using CommunityToolkit.Mvvm.ComponentModel;
using LiveChartsCore.SkiaSharpView.Extensions;
namespace ViewModelsSamples.Pies.NightingaleRose;
public partial class ViewModel : ObservableObject
{
public ViewModel()
{
var outer = 0;
var data = new[] { 6, 5, 4, 3, 2 };
// you can convert any array, list or IEnumerable<T> to a pie series collection:
Series = data.AsPieSeries((value, series) =>
{
// this method is called once per element in the array
// we are decrementing the outer radius 50px
// on every element in the array.
series.InnerRadius = 50;
series.OuterRadiusOffset = outer;
outer += 50;
});
}
public IEnumerable<ISeries> Series { get; set; }
}
XAML
<UserControl
x:Class="UnoWinUISample.Pies.NightingaleRose.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.Pies.NightingaleRose"
mc:Ignorable="d">
<UserControl.DataContext>
<vms:ViewModel/>
</UserControl.DataContext>
<Grid>
<lvc:PieChart Series="{Binding Series}" ></lvc:PieChart>
</Grid>
</UserControl>
