FurnaceELK/FrameworkLocal/UIClient/Converter/MultiLineXAxisLabelProvider.cs

using Aitex.Core.RT.IOCore;
using SciChart.Charting.Visuals.Axes.LabelProviders;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MECF.Framework.UI.Client.Converter
{
    public class MultiLineXAxisLabelProvider : NumericLabelProvider
    {
        private DateTime _firstTime=DateTime.MinValue;

        public MultiLineXAxisLabelProvider(DateTime time)
        {
            _firstTime = time;
        }

        public override string FormatLabel(IComparable dataValue)
        {
            if (dataValue is double xValue &&xValue>=0)
            {
                long t = Convert.ToInt64(xValue * 10);//保留1位小数
                // 返回两行文本，用换行符分隔
                return $"{t / 36000:D2}:{(t % 36000) / 600:D2}:{(t % 600) / 10d:00.#}\n{_firstTime.AddSeconds(t / 10d):HH:mm:ss.F}";
            }
            return base.FormatLabel(dataValue);
        }
    }    
}