C# 使用自帶chart時，標記點在運行程式時不顯示，在界面設定屬性時，有顯示

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using System.Windows.Forms.DataVisualization.Charting;

using System.IO;

namespace testchart

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        const int DATALENGH = 3648;

        double[] Scale_param = new double[DATALENGH];//系數

        double[] Scale_Xparam = new double[DATALENGH];//系數對應的X軸

        private void Form1_Load(object sender, EventArgs e)

        {

            ReadData(@"E:/wokspace//data/bk_signal.txt", DATALENGH, out Scale_Xparam, out Scale_param);



            InitCharts();

            //chart1.Series[0].Points.Clear();

            chart1.Titles[0].Text = "原始信號";

            double[] dx = new double[8] {4,2,5,1,6,2,7,3};

            for (int i = 0; i < 8; i ++)

            {

                chart1.Series[0].Points.AddXY(i, dx[i]);

            }



            

        }



        private void InitCharts()

        {

            //主圖

            Series series = chart1.Series[0];

            // 畫樣條曲線（Spline）

            series.ChartType = SeriesChartType.FastLine;

            // 設定顯示范圍

            ChartArea chartArea = chart1.ChartAreas[0];

            chartArea.AxisX.Minimum = 0;//X軸  

            chartArea.AxisX.Maximum = 10;

            chartArea.AxisY.Minimum = -0.1;//Y軸 

            chartArea.AxisY.Maximum = 10;//0.7

            chartArea.AxisX.Title = "波長/nm";

            chartArea.AxisY.Title = "能量";

            //設定標題

            chart1.Titles.Add("光譜波形");

            chart1.Titles[0].Text = "光譜波形";

            chart1.Series[0].MarkerStyle = MarkerStyle.Circle;

            //this.chart1.Series[0].Points.Clear();





            //



        }





        public void ReadData(string strPath, int nLen, out double[] dXTemp, out double[] dTemp)

        {

            dXTemp = new double[nLen];

            dTemp = new double[nLen];

            if (File.Exists(strPath))

            {

                string strCon = "";

                StreamReader reader = new StreamReader(strPath);

                int i = 0;

                while (!reader.EndOfStream)

                {

                    int nId = -1;

                    strCon = reader.ReadLine();

                    nId = strCon.IndexOf(',');//存盤形式為x,y

                    if (nId >= 0)

                    {

                        string strBKData = strCon.Substring(nId + 1);

                        dTemp[i] = Convert.ToDouble(strBKData);



                        //X軸資料

                        string strXData = strCon.Substring(0, nId);

                        dXTemp[i] = Convert.ToDouble(strXData);

                        i++;

                    }



                }

                reader.Close();

                reader.Dispose();

                reader = null;

            }

        }



        private void button1_Click(object sender, EventArgs e)

        {

            chart1.Series[0].BorderWidth = 2;                 //線條粗細



            //chart1.Series[0].MarkerBorderColor = Color.Red;   //標記點邊框顏色



            //chart1.Series[0].MarkerBorderWidth = 3;             //標記點邊框大小



            //chart1.Series[0].MarkerColor = Color.Red;       //標記點中心顏色



            //chart1.Series[0].MarkerSize = 5;                 //標記點大小

            //chart1.Series[0].MarkerStep = 1;



            //chart1.Series[0].MarkerStyle = MarkerStyle.Circle;  //標記點型別







            chart1.Series[0].Points[3].MarkerBorderColor = Color.Red;   //標記點邊框顏色



            chart1.Series[0].Points[3].MarkerBorderWidth = 3;             //標記點邊框大小



            chart1.Series[0].Points[3].MarkerColor = Color.Red;       //標記點中心顏色



            chart1.Series[0].Points[3].MarkerSize = 5;



            chart1.Series[0].Points[3].MarkerStyle = MarkerStyle.Circle;  //標記點型別

        }

    }

標籤：C#

上一篇：在WPF中如何使用scrollviewer放大圖片并通過滑鼠畫出選區，保存這個選區到一張圖片？

下一篇：89年還能轉行嗎？