270 Degrees Gauge
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 LiveChartsCore.Measure;
using CommunityToolkit.Mvvm.ComponentModel;
using LiveChartsCore.SkiaSharpView.Painting;
using SkiaSharp;
using LiveChartsCore.SkiaSharpView.Extensions;
namespace ViewModelsSamples.Pies.Gauge2;
public partial class ViewModel : ObservableObject
{
public IEnumerable<ISeries> Series { get; set; } =
GaugeGenerator.BuildSolidGauge(
new GaugeItem(30, series =>
{
series.Fill = new SolidColorPaint(SKColors.YellowGreen);
series.DataLabelsSize = 50;
series.DataLabelsPaint = new SolidColorPaint(SKColors.Red);
series.DataLabelsPosition = PolarLabelsPosition.ChartCenter;
series.InnerRadius = 75;
}),
new GaugeItem(GaugeItem.Background, series =>
{
series.InnerRadius = 75;
series.Fill = new SolidColorPaint(new SKColor(100, 181, 246, 90));
}));
}
XAML
<UserControl x:Class="UnoWinUISample.Pies.Gauge2.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.Gauge2"
mc:Ignorable="d">
<UserControl.DataContext>
<vms:ViewModel/>
</UserControl.DataContext>
<lvc:PieChart
Series="{Binding Series}"
InitialRotation="-225"
MaxAngle="270"
MinValue="0"
MaxValue="100">
</lvc:PieChart>
</UserControl>