Basic Candle Sticks

View Model

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

namespace ViewModelsSamples.Financial.BasicCandlesticks;

public partial class ViewModel : ObservableObject
{
    public ViewModel()
    {
        var data = new FinancialData[]
        {
            new(new DateTime(2021, 1, 1), 523, 500, 450, 400),
            new(new DateTime(2021, 1, 2), 500, 450, 425, 400),
            new(new DateTime(2021, 1, 3), 490, 425, 400, 380),
            new(new DateTime(2021, 1, 4), 420, 400, 420, 380),
            new(new DateTime(2021, 1, 5), 520, 420, 490, 400),
            new(new DateTime(2021, 1, 6), 580, 490, 560, 440),
            new(new DateTime(2021, 1, 7), 570, 560, 350, 340),
            new(new DateTime(2021, 1, 8), 380, 350, 380, 330),
            new(new DateTime(2021, 1, 9), 440, 380, 420, 350),
            new(new DateTime(2021, 1, 10), 490, 420, 460, 400),
            new(new DateTime(2021, 1, 11), 520, 460, 510, 460),
            new(new DateTime(2021, 1, 12), 580, 510, 560, 500),
            new(new DateTime(2021, 1, 13), 600, 560, 540, 510),
            new(new DateTime(2021, 1, 14), 580, 540, 520, 500),
            new(new DateTime(2021, 1, 15), 580, 520, 560, 520),
            new(new DateTime(2021, 1, 16), 590, 560, 580, 520),
            new(new DateTime(2021, 1, 17), 650, 580, 630, 550),
            new(new DateTime(2021, 1, 18), 680, 630, 650, 600),
            new(new DateTime(2021, 1, 19), 670, 650, 600, 570),
            new(new DateTime(2021, 1, 20), 640, 600, 610, 560),
            new(new DateTime(2021, 1, 21), 630, 610, 630, 590)
        };

        Series = new ISeries[]
        {
            new CandlesticksSeries<FinancialPointI>
            {
                Values = data
                    .Select(x => new FinancialPointI(x.High, x.Open, x.Close, x.Low))
                    .ToArray()
            }
        };

        XAxes = new[]
        {
            new Axis
            {
                LabelsRotation = 15,
                Labels = data
                    .Select(x => x.Date.ToString("yyyy MMM dd"))
                    .ToArray()
            }
        };
    }

    public Axis[] XAxes { get; set; }

    public ISeries[] Series { get; set; }
}

public class FinancialData
{
    public FinancialData(DateTime date, double high, double open, double close, double low)
    {
        Date = date;
        High = high;
        Open = open;
        Close = close;
        Low = low;
    }

    public DateTime Date { get; set; }
    public double High { get; set; }
    public double Open { get; set; }
    public double Close { get; set; }
    public double Low { get; set; }
}

Code Behind

using System.Windows.Forms;
using LiveChartsCore.SkiaSharpView.WinForms;
using ViewModelsSamples.Financial.BasicCandlesticks;

namespace WinFormsSample.Financial.BasicCandlesticks;

public partial class View : UserControl
{
    private readonly CartesianChart cartesianChart;

    public View()
    {
        InitializeComponent();
        Size = new System.Drawing.Size(50, 50);

        var viewModel = new ViewModel();

        cartesianChart = new CartesianChart
        {
            Series = viewModel.Series,
            XAxes = viewModel.XAxes,

            // out of livecharts properties...
            Location = new System.Drawing.Point(0, 0),
            Size = new System.Drawing.Size(50, 50),
            Anchor = AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top | AnchorStyles.Bottom
        };

        Controls.Add(cartesianChart);
    }
}

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