first commit

Graph/WindowsFormsApp1/Record.cs

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+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.IO;
+using System.Diagnostics;
+using System.Globalization;
+using System.Windows.Forms.DataVisualization.Charting;
+using static System.Windows.Forms.VisualStyles.VisualStyleElement.TaskbarClock;
+
+namespace WindowsFormsApp1
+{
+  public partial class Record : Form
+  {
+    public Record()
+    {
+      InitializeComponent();
+    }
+
+    public string RecordFile = null;
+    private double GraphMin, GraphMax;
+
+    private void Record_Load(object sender, EventArgs e)
+    {
+      if (RecordFile == null) return;
+
+      Text = Path.GetFileName(RecordFile);
+
+      string[] record = File.ReadAllLines(RecordFile);
+
+      if (record.Length < 3) return;
+      if (record[0] != "Telem v1") return;
+
+      string[] head = record[1].Split('|');
+      if (head.Length < 2) return;
+
+      for (int a = 1; a < head.Length; a++)
+      {
+        var s = chart_Graph.Series.Add(head[a]);
+        s.ChartType = SeriesChartType.FastLine;
+        s.XValueType = ChartValueType.DateTime;
+        int i = checkedListBox_Series.Items.Add(head[a]);
+        checkedListBox_Series.SetItemChecked(i, true);
+      }
+      chart_Graph.ChartAreas[0].AxisX.LabelStyle.Format = "mm:ss";
+
+      int count = head.Length;
+
+      double Max = 0, Min = 0;
+      double time = 0;
+
+      for (int a = 2; a < record.Length; a++)
+      {
+        string[] value = record[a].Split('|');
+        if (value.Length != count) break;
+        time = double.Parse(value[0]);
+
+        if (a == 2) chart_Graph.ChartAreas[0].AxisX.Minimum = time;
+
+        for (int b = 1; b < value.Length; b++)
+        {
+          float v = float.Parse(value[b], CultureInfo.InvariantCulture.NumberFormat);
+          chart_Graph.Series[b - 1].Points.AddXY(time, v);
+          if (v > Max) Max = v;
+          if (v < Min) Min = v;
+        }
+      }
+      Max += 100;
+      Min -= 100;
+
+      GraphMin = Min; GraphMax = Max;
+
+      chart_Graph.ChartAreas[0].AxisX.Maximum = time;
+
+      chart_Graph.ChartAreas[0].AxisY.Maximum = Max;
+      chart_Graph.ChartAreas[0].AxisY.Minimum = Min;
+
+      trackBar_GraphY_Left.Minimum = (int)Min;
+      trackBar_GraphY_Left.Maximum = (int)Max;
+      trackBar_GraphY_Left.Value = (int)Min;
+
+      trackBar_GraphY_Right.Minimum = (int)Min;
+      trackBar_GraphY_Right.Maximum = (int)Max;
+      trackBar_GraphY_Right.Value = (int)Max;
+    }
+
+    private void trackBar_GraphY_Left_Scroll(object sender, EventArgs e)
+    {
+      if (checkBox_AutoY.Checked) return;
+
+      int min = trackBar_GraphY_Left.Value;
+      int max = trackBar_GraphY_Right.Value;
+      if (min > max)
+      {
+        int sub = min;
+        min = max;
+        max = sub;
+      }
+
+      if (max == min) max += 1;
+
+      chart_Graph.ChartAreas[0].AxisY.Minimum = min;
+      chart_Graph.ChartAreas[0].AxisY.Maximum = max;
+    }
+
+    private void checkedListBox_Series_SelectedIndexChanged(object sender, EventArgs e)
+    {
+      if (checkedListBox_Series.SelectedIndex == -1) return;
+      int index = checkedListBox_Series.SelectedIndex;
+      button_Color.BackColor = chart_Graph.Series[index].Color;
+      //---
+      for (int a = 0; a < checkedListBox_Series.Items.Count; a++)
+      {
+        chart_Graph.Series[a].Enabled = checkedListBox_Series.GetItemChecked(a);
+      }
+    }
+
+    private void button_Color_Click(object sender, EventArgs e)
+    {
+      if (colorDialog_Color.ShowDialog() == DialogResult.Cancel) return;
+      if (checkedListBox_Series.SelectedIndex == -1) return;
+      //---
+      int index = checkedListBox_Series.SelectedIndex;
+      chart_Graph.Series[index].Color = colorDialog_Color.Color;
+      button_Color.BackColor = colorDialog_Color.Color;
+    }
+
+    private void checkBox_AutoY_CheckedChanged(object sender, EventArgs e)
+    {
+      if(checkBox_AutoY.Checked)
+      {
+        chart_Graph.ChartAreas[0].AxisY.Maximum = double.NaN;
+        chart_Graph.ChartAreas[0].AxisY.Minimum = double.NaN;
+      }
+      else
+      {
+        trackBar_GraphY_Left_Scroll(null, null);
+      }
+    }
+  }
+}