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  1. using System;
  2.  
  3. public class Test
  4. {
  5.         public Form1()
  6.         {
  7.             InitializeComponent();
  8.         }
  9.  
  10.         private int PintChartX_Max = 5;         // X軸の秒数
  11.         System.Windows.Forms.Timer st;          // フォームタイマー
  12.         int PintTimerCount;                     // カウント数（秒数）
  13.  
  14.         private List<DateTime> Plst_ChartTime;  // 時間配列
  15.         private DateTime PdtStart;              // 開始時間
  16.  
  17.         private void Form1_Load(object sender, EventArgs e)
  18.         {
  19.             // グラフ初期化
  20.             chart1.Series[0].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.FastLine;  // 線グラフ
  21.  
  22.             chart1.ChartAreas[0].AxisX.LabelStyle.Format = "HH:mm:ss";
  23.             chart1.ChartAreas[0].AxisX.IntervalType = System.Windows.Forms.DataVisualization.Charting.DateTimeIntervalType.Seconds;
  24.             chart1.ChartAreas[0].AxisX.Interval = 1.0;
  25.  
  26.             // Seriesも変更
  27.             chart1.Series[0].XValueType = System.Windows.Forms.DataVisualization.Charting.ChartValueType.Time;
  28.  
  29.             PintTimerCount = 0;
  30.             Plst_ChartTime = new List<DateTime>();
  31.             PdtStart = new DateTime();
  32.  
  33.             // １秒毎に描画
  34.             st = new Timer();
  35.             st.Tick += new EventHandler(subTimer);
  36.             st.Interval = 1000;
  37.             st.Start();
  38.         }
  39.  
  40.         // タイマーで使用される関数
  41.         private void subTimer(object sender,EventArgs e)
  42.         {
  43.             // 毎回初期化
  44.             chart1.Series[0].Points.Clear();
  45.             chart1.Series[0].Points.AddXY(0.0, double.NaN);
  46.  
  47.             // X軸を動かす
  48.             DateTime dtMin,dtMax;
  49.             dtMin = new DateTime();
  50.             dtMax = new DateTime();
  51.             if (PintChartX_Max > PintTimerCount)
  52.             {
  53.                 dtMax = dtMax.AddSeconds(PintChartX_Max);
  54.             }
  55.             else
  56.             {
  57.                 dtMin = dtMin.AddSeconds(PintTimerCount - PintChartX_Max);
  58.                 dtMax = dtMax.AddSeconds(PintTimerCount);
  59.             }
  60.             chart1.ChartAreas[0].AxisX.Minimum = dtMin.ToOADate();
  61.             //chart1.ChartAreas[0].AxisX.Maximum = dtMax.ToOADate();
  62.             chart1.ChartAreas[0].AxisX.Maximum = dtMax.AddMilliseconds(100).ToOADate();     // ← 時間を加算することで、枠が安定する
  63.  
  64.             chart1.ChartAreas[0].AxisY.Minimum = -1.0;          // Y軸の最小値　←　？？？動く？？？
  65.             chart1.ChartAreas[0].AxisY.Maximum = 3.0;           // Y軸の最大値
  66.  
  67.             // チャート描画（仮：0秒と最新秒を繋ぐだけの1本線）
  68.             Plst_ChartTime.Add(PdtStart.AddSeconds(PintTimerCount));
  69.             chart1.Series[0].Points.AddXY(Plst_ChartTime[PintTimerCount], 2.2);
  70.             PintTimerCount++;
  71.         }
  72.  
  73. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cs(5,16): error CS1520: Class, struct, or interface method must have a return type
Compilation failed: 1 error(s), 0 warnings
stdout 
Standard output is empty
https://ideone.com/pEhkR0
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
public

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