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見直しキャンペーン中
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Chartコントロールは使ったことがないので何か間違いがあるかもしれませんが、それっぽく表示されているように思います。
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using System
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using System.
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using System.
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using System.Windows.Forms
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chart1.ChartAreas[0].AxisX.
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chart1.ChartAreas[0].AxisX.
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chart1.ChartAreas[0].AxisX.
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chart1.ChartAreas[0].AxisX.
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chart1.ChartAreas[0].AxisX.
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chart1.ChartAreas[0].AxisY.
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chart1.Series
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chart1.Series[legend].
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chart1.Series[legend].
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chart1.Series[legend].
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chart1.Series[legend].
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var
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dp
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dp.
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var
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var
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sb.Append("
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sb.
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}
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Chartコントロールは使ったことがないので何か間違いがあるかもしれませんが、それっぽく表示されているように思います。
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```cs
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using System;
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using System.IO;
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using System.Text;
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using System.Windows.Forms;
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using System.Windows.Forms.DataVisualization.Charting;
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namespace Questions231716
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{
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public partial class Form1 : Form
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{
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public Form1()
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{
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InitializeComponent();
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Dammy();
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}
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private void button1_Click(object sender, EventArgs e)
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{
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var list = File.ReadAllLines("test.csv");
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var legend = "グラフ１";
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chart1.Series.Clear();
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// Minimum Maximum ちょっと微妙
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chart1.ChartAreas[0].AxisX.Minimum = DateTime.MinValue.AddHours(12).ToOADate();
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chart1.ChartAreas[0].AxisX.Maximum = DateTime.MinValue.AddHours(17).ToOADate();
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chart1.ChartAreas[0].AxisX.Interval = 1;
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chart1.ChartAreas[0].AxisX.IntervalType = DateTimeIntervalType.Hours;
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chart1.ChartAreas[0].AxisX.IntervalOffsetType = DateTimeIntervalType.Hours;
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chart1.ChartAreas[0].AxisX.LabelStyle.Format = "HH:mm:ss";
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chart1.ChartAreas[0].AxisY.Minimum = 1.5;
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chart1.ChartAreas[0].AxisY.Maximum = 2.5;
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chart1.Series.Add(legend);
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chart1.Series[legend].ChartType = SeriesChartType.Line;
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chart1.Series[legend].LegendText = legend;
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chart1.Series[legend].XValueType = ChartValueType.Time;
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chart1.Series[legend].IsVisibleInLegend = false;
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chart1.Series[legend].IsValueShownAsLabel = false;
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foreach(var line in list)
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{
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// ここも微妙だが日付は固定したほうが安全そう
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var xValue = DateTime.Parse("0001/01/01 " + line.Substring(0, 8));
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var yValue = line.Substring(12, 4);
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var dp = new DataPoint();
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dp.SetValueXY(xValue, yValue);
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dp.IsValueShownAsLabel = false;
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chart1.Series[legend].Points.Add(dp);
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}
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}
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private void Dammy()
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{
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var r = new Random();
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var sb = new StringBuilder();
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var d = DateTime.MinValue.AddHours(12);
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while(true)
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{
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d += TimeSpan.FromSeconds(r.Next(60, 600));
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if(17 <= d.Hour) break;
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sb.Append(d.ToString("HH:mm:ss"));
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sb.Append(",00,");
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sb.AppendLine((r.NextDouble() + 1.5).ToString("0.00"));
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}
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File.WriteAllText("test.csv", sb.ToString());
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}
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}
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}
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```
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