Basic Step Line

sample image sample image

Hover over the image to see the chart animation

This sample uses C# 12 features, it also uses features from the CommunityToolkit.Mvvm package, you can learn more about it here.

View Model

using LiveChartsCore;
using LiveChartsCore.SkiaSharpView;

namespace ViewModelsSamples.StepLines.Basic;

public class ViewModel
{
    public ISeries[] Series { get; set; } = [
        new StepLineSeries<double?>
        {
            Values = [2, 1, 3, 4, 3, 4, 6],
            Fill = null
        }
    ];
}

XAML

<UserControl x:Class="WPFSample.StepLines.Basic.View"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
             xmlns:lvc="clr-namespace:LiveChartsCore.SkiaSharpView.WPF;assembly=LiveChartsCore.SkiaSharpView.WPF"
             xmlns:vms="clr-namespace:ViewModelsSamples.StepLines.Basic;assembly=ViewModelsSamples">
    <UserControl.DataContext>
        <vms:ViewModel/>
    </UserControl.DataContext>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <lvc:CartesianChart Series="{Binding Series}"></lvc:CartesianChart>
    </Grid>
</UserControl>

Articles you might also find useful:

Cartesian chart control
Stepline series properties