Gaps/Null Points
Hover over the image to see the chart animation
View model
using LiveChartsCore;
using LiveChartsCore.Defaults;
using LiveChartsCore.SkiaSharpView;
namespace ViewModelsSamples.General.NullPoints;
public class ViewModel
{
public ISeries[] Series { get; set; }
= new ISeries[]
{
// every series knows how to handle nulls.
new ColumnSeries<double?>
{
Values = new double?[] { 5, 4, null, 3, 2, 6, 5, 6, 2 }
},
new LineSeries<double?>
{
Values = new double?[] { 2, 6, 5, 3, null, 5, 2, 4, null }
},
// for reference types, set the properties to null instead.
new LineSeries<ObservablePoint>
{
Values = new ObservablePoint[]
{
new ObservablePoint { X = 0, Y = 1 },
new ObservablePoint { X = 1, Y = 4 },
new ObservablePoint { X = 3, Y = null },
new ObservablePoint { X = 4, Y = 5 },
new ObservablePoint { X = 6, Y = 1 },
new ObservablePoint { X = 8, Y = 6 },
}
},
};
}
XAML
<UserControl
x:Class="WinUISample.General.NullPoints.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.General.NullPoints"
mc:Ignorable="d">
<UserControl.DataContext>
<vms:ViewModel/>
</UserControl.DataContext>
<Grid>
<lvc:CartesianChart Series="{Binding Series}"></lvc:CartesianChart>
</Grid>
</UserControl>
