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Overview

The WinUI Spline Chart resembles a line chart, but the difference between them is that instead of connecting the data points with straight lines, the data points are connected by smooth Bezier curves.

WinUI Spline Chart Documentation

WinUI Spline Chart


Key Features

Different WinUI Spline Chart

Spline Types

Four different types of rendering: natural, monotonic, cardinal, and clamped.

WinUI Vertical Spline Chart

Vertical Spline Chart

Rotate the spline chart to plot data in a vertical direction and view data from a different perspective.

WinUI Spline Chart showing Empty Point aka Null Point

Empty/Null Point Chart

Empty or null data points are elegantly handled in spline charts.

WinUI Spline Chart with Multiple Axes

Multiple Axes

Use multiple axes to plot different data sets that widely vary from one another.


Code Example

Easily get started with the WinUI Spline Charts using a few simple lines of XAML and C# code example as demonstrated below

<Window x:Class="ChartExample.MainPage"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="using:ChartExample"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
        xmlns:chart="using:Syncfusion.UI.Xaml.Charts"
        mc:Ignorable="d"
        Title="WinUI Spline Chart" Height="450" Width="700">
        mc:Ignorable="d"
        Title="WinUI Spline Chart" Height="450" Width="700">
    
    <!--Setting DataContext-->
    <Window.DataContext>
        <local:ViewModel/>
    </Window.DataContext>
    
    <StackPanel>
        <chart:SfCartesianChart Height="300" Width="500">
            <!--Initialize the horizontal axis for the WinUI Chart-->
            <chart:SfCartesianChart.PrimaryAxis>
                <chart:CategoryAxis />
            </chart:SfCartesianChart.PrimaryAxis>

            <!--Initialize the vertical axis for the WinUI Chart-->
            <chart:SfCartesianChart.SecondaryAxis>
                <chart:NumericalAxis />
            </chart:SfCartesianChart.SecondaryAxis>
           
            <!--Adding Spline Series to the WinUI Chart-->
            <chart:SfCartesianChart.Series>
                <chart:SplineSeries 
                        ItemsSource="{Binding Data}" 
                        XBindingPath="Month"
                        YBindingPath="Target">
                </chart:SplineSeries>
            </chart:SfCartesianChart.Series>  
        </chart:SfCartesianChart>
    </StackPanel>
</Window>
public class Model
{
    public string Month { get; set; }

    public double Target { get; set; }

    public Model(string xValue, double yValue)
    {
        Month = xValue;
        Target = yValue;
    }
}

public class ViewModel
{
    public ObservableCollection<Model> Data { get; set; }

    public ViewModel()
    {
        Data = new ObservableCollection<Model>()
        {
            new Model("Jan", 50),
            new Model("Feb", 70),
            new Model("Mar", 65),
            new Model("Apr", 57),
            new Model("May", 48), 
        };
    }
}

Learning Resources

Navigate to GitHub code used to configure the WinUI Spline Chart

GitHub Code

The WinUI Spline Chart configuration code is available in GitHub.

Navigate to the options available in User Guide to customize the WinUI Spline Chart

WinUI Spline Chart User Guide

Learn more about the available options to customize WinUI Spline Charts.

Navigate to the API reference documentation of the WinUI Spline Chart

WinUI Spline Chart API Reference

Explore the the WinUI Spline Chart APIs.


Syncfusion WinUI DataViz & UI Controls

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