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Overview

The WinUI Spline Area Chart is designed for visualizing quantitative data. It is an area chart type that plots a fitted curve through each data point in a series. It is used to represent time-dependent data and show trends in data at equal intervals.

WinUI Spline Area Chart Documentation

WinUI-Spline Area Chart


Key Features

WinUI Vertical Spline Area Chart

Vertical Spline Area Chart

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

WinUI Spline Area Chart showing Empty Point aka Null Point

Empty/Null Point Chart

The spline area chart handles empty or null data points elegantly.

WinUI Spline Area Chart with Customized Color and Thickness

UI Styling

Customize the color and thickness of the spline area chart using built-in APIs to make it visually unique.

WinUI Spline Area 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 Area 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 Area 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 Area Series to the WinUI Chart-->
            <chart:SfCartesianChart.Series>
                <chart:SplineAreaSeries 
                        ItemsSource="{Binding Data}" 
                        XBindingPath="Month"
                        YBindingPath="Target">
                </chart:SplineAreaSeries>
            </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 Area Chart

GitHub Code

The WinUI Spline Area Chart configuration code is available in GitHub.

Navigate to the options available in the user guide to customize the WinUI Spline Area Chart

WinUI Spline Area Chart User Guide

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

Navigate to the API reference documentation of the WinUI Spline Area Chart.

WinUI Spline Area Chart API References

Explore the WinUI Spline Area Chart APIs.


Syncfusion WinUI DataViz & UI Controls

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