Basic Step 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.StepLines.Basic;

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

XAML

<UserControl
    x:Class="WinUISample.StepLines.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.StepLines.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:XamlStepLineSeries
                    Values="{Binding Values}"
                    Fill="{x:Null}"
                    GeometrySize="20"/>
            </lvc:SeriesCollection>
        </lvc:CartesianChart.Series>
    </lvc:CartesianChart>

</UserControl>

Articles you might also find useful:

Cartesian chart control
Stepline series properties