DW5S/DW5S.App/UserControl/CtrlDraw.cs

using DevExpress.Charts.Native;
using DevExpress.XtraCharts;
using DevExpress.XtraEditors;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using DW5S.DTO;

namespace DW5S.App.UserControl
{
    public partial class CtrlDraw : DevExpress.XtraEditors.XtraUserControl
    {
        public CtrlDraw()
        {
            InitializeComponent();
        }

        private void CtrlDraw_Load(object sender, EventArgs e)
        {
            chartControl1.Legend.AlignmentVertical = LegendAlignmentVertical.Top;//图例位置
            XYDiagram diagram = (XYDiagram)chartControl1.Diagram;
            //diagram.AxisX.Label.Staggered = true;//X轴坐标交错排列
            diagram.AxisX.Label.EnableAntialiasing = DevExpress.Utils.DefaultBoolean.True;//抗锯齿
            diagram.AxisY.Label.EnableAntialiasing = DevExpress.Utils.DefaultBoolean.True;//抗锯齿
            diagram.AxisY.Label.TextPattern = "{V:f3}us";
            diagram.AxisX.WholeRange.AutoSideMargins = true;//是否从X轴原点开始显示

            DrawDto dto = new DrawDto()
            {
                ImageName = "时差趋势图20240910120000",
                //MaxX = 1024,
                //MaxY = 10000,
                PointX = new object[5000],
                PointY = new double[5000],
            };
            Random r = new Random();
            Stopwatch sw = new Stopwatch();
            sw.Start();
            SeriesPoint[] sps = new SeriesPoint[5000];
            for (int i = 0; i < 5000; i++)
            {
                sps[i] = new SeriesPoint();
                dto.PointX[i] = (double)r.Next(10, 10000);
                dto.PointY[i] = r.Next(1000, 9000);
                sps[i].NumericalArgument = (double)dto.PointX[i];
                sps[i].Values = new double[1] { dto.PointY[i] };
            }
            chartControl1.Series[0].Points.AddRange(sps);
            sw.Stop();
            var dd = sw.ElapsedMilliseconds;

        }
    }
}