Basic Line

This sample uses C# 13 preview features such as partial properties, it also uses features from the CommunityToolkit.Mvvm package, you can learn more about it here.

sample image sample image

View model

namespace ViewModelsSamples.Lines.Basic;

public class ViewModel
{
    public double[] Values1 { get; set; } =
        [2, 1, 3, 5, 3, 4, 6];

    public int[] Values2 { get; set; } =
        [4, 2, 5, 2, 4, 5, 3];
}

XAML

<UserControl
    x:Class="WinUISample.Lines.Basic.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.Basic"
    xmlns:local="using:WinUISample.Lines.Basic"
    mc:Ignorable="d">

    <UserControl.DataContext>
        <vms:ViewModel/>
    </UserControl.DataContext>

    <lvc:CartesianChart>
        <lvc:CartesianChart.Title>
            <lvc:XamlDrawnLabelVisual
                Text="My chart title"
                Paint="{lvc:SolidColorPaint Color='#303030'}"
                TextSize="{lvc:Float Value='25'}"
                Padding="{lvc:Padding Value='15'}"/>
        </lvc:CartesianChart.Title>
        <lvc:CartesianChart.Series>
            <lvc:SeriesCollection>
                <lvc:XamlLineSeries
                    Values="{Binding Values1}"
                    Fill="{x:Null}"
                    GeometrySize="20"/>
                <local:CustomStarLineSeries
                    Values="{Binding Values2}"
                    Fill="{x:Null}"
                    GeometrySize="20"/>
            </lvc:SeriesCollection>
        </lvc:CartesianChart.Series>
    </lvc:CartesianChart>
</UserControl>

CustomGeometryPointColumnSeries.cs

using LiveChartsCore.SkiaSharpView;
using LiveChartsCore.SkiaSharpView.Drawing.Geometries;
using LiveChartsCore.SkiaSharpView.WinUI;

namespace WinUISample.Lines.Basic;

// WinUI xaml parser does not support generic types
// we instead create a non-generic class that inherits from the generic one.
public class CustomStarLineSeries : XamlLineSeries<int, StarGeometry> { }

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Cartesian chart control
Line series properties