Gaps/Null Points

View Model

using CommunityToolkit.Mvvm.ComponentModel;
using LiveChartsCore;
using LiveChartsCore.Defaults;
using LiveChartsCore.SkiaSharpView;

namespace ViewModelsSamples.General.NullPoints;

public partial class ViewModel : ObservableObject
{
    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 },
            }
        }
    };
}

using Eto.Forms;
using LiveChartsCore.SkiaSharpView.Eto;
using ViewModelsSamples.General.NullPoints;

namespace EtoFormsSample.General.NullPoints;

public class View : Panel
{
    private readonly CartesianChart cartesianChart;

    public View()
    {
        var viewModel = new ViewModel();

        cartesianChart = new CartesianChart
        {
            Series = viewModel.Series,
        };

        Content = cartesianChart;
    }
}

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