Add project files.

TestWinFormsDataVis/Form1.cs

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+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;
+
+namespace TestWinFormsDataVis
+{
+
+
+    public partial class Form1 : Form
+    {
+
+        Pen myPen = new Pen(Color.Black);
+        Graphics g = null;
+
+        List<StraightLine> koordCross = new();
+        List<TwoPoints> CurveSin = new();
+        List<TwoPoints> CurveCos = new();
+        public bool CrossDrawn { get; set; } = false;
+
+        static int _yMid = 0;
+        static int _yxPos = 3;
+        static int _yTop = 0;
+        static int _yStep = 0;
+        static long _yScaleStep = 0;
+        static int _yBottom = 0;
+        static int _xRight = 0;
+        static int countNum = 0;
+        static double _timeX = 0;
+        static int _timeXPosOld = 0;
+        static int _timeXPos = 0;
+        static int _timeYSin = 0;
+        static int _timeYCos = 0;
+
+
+        public Form1()
+        {
+            InitializeComponent();
+            _yMid = pnlCanvas.Height / 2;
+            _yTop = pnlCanvas.Height;
+            _yBottom = 0;
+            _xRight = pnlCanvas.Width;
+            createKoordCross(koordCross, 3000, -3000);
+            pnlCanvas.Refresh();
+            _timeYCos = _yMid;
+            _timeYSin = _yMid;
+        }
+
+        private static void createKoordCross(List<StraightLine> koordCross, decimal maxVal, decimal minVal)
+        {
+            // Y-axel
+            koordCross.Add(new StraightLine { start_x = _yxPos, start_y = _yTop, end_x = _yxPos, end_y = _yBottom });
+            // X-axel
+            koordCross.Add(new StraightLine { start_x = _yxPos - 2, start_y = _yMid, end_x = _xRight, end_y = _yMid });
+
+
+            _yScaleStep = scaleStep(maxVal, 8);
+            _yStep = (int)_yScaleStep * _yMid / (int)maxVal;
+            var _yVal = _yMid;
+            while (_yVal < _yTop)
+            {
+                koordCross.Add(new StraightLine { start_x = _yxPos - 2, start_y = _yVal, end_x = _yxPos + 2, end_y = _yVal });
+                _yVal += _yStep;
+            }
+
+            _yVal = _yMid;
+            while (_yVal > 0)
+            {
+                koordCross.Add(new StraightLine { start_x = _yxPos - 2, start_y = _yVal, end_x = _yxPos + 2, end_y = _yVal });
+                _yVal -= _yStep;
+            }
+
+        }
+
+        private static long scaleStep(decimal maxValue, int maxSteps)
+        {
+            long stepValue = nextValue(true);
+            long tmpValue = stepValue;
+            int _maxSteps = (int)((int)maxValue / stepValue);
+            while (_maxSteps > maxSteps)
+            {
+                stepValue = tmpValue * nextValue();
+                _maxSteps = (int)((int)maxValue / stepValue);
+                tmpValue = stepValue == tmpValue * 10 ? stepValue : tmpValue;
+            }
+            return stepValue;
+        }
+
+        private static int nextValue(bool first = false)
+        {
+            if (first)
+            {
+                countNum = 1;
+            }
+            else
+            {
+                switch (countNum)
+                {
+                    case 1:
+                        {
+                            countNum = 2;
+                            break;
+                        }
+                    case 2:
+                        {
+                            countNum = 5;
+                            break;
+                        }
+                    case 5:
+                        {
+                            countNum = 10;
+                            break;
+                        }
+                    case 10:
+                        {
+                            countNum = 2;
+                            break;
+                        }
+                }
+            }
+            return countNum;
+        }
+
+
+
+        private void drawKoordCrossLines()
+        {
+            foreach (var x in koordCross)
+            {
+                Point[] points =
+                {
+                    new Point(x.start_x,x.start_y),
+                    new Point(x.end_x,x.end_y)
+                };
+                g.DrawLines(myPen, points);
+            }
+            CrossDrawn = true;
+        }
+
+        private void drawCurves()
+        {
+            var _prevYSin = _timeYSin;
+            var _prevYCos = _timeYCos;
+
+            _timeX = _timeX + .017453292519;
+            _timeYSin = _yMid + (int)(Math.Sin(_timeX) * -1 * _yMid);
+            CurveSin.Add(new TwoPoints { X1 = _timeXPosOld, Y1 = _prevYSin, X2 = _timeXPos, Y2 = _timeYSin });
+
+            foreach (var tp in CurveSin)
+            {
+                g.DrawLines(myPen, tp.drwPoints());
+            }
+            //Debug.WriteLine($"p1 (x1,y1,x2,y2) -> {points[0].X},{points[0].Y},{points[1].X},{points[1].Y} ");
+
+            _timeYCos = _yMid + (int)(Math.Cos(_timeX) * _yMid);
+            CurveSin.Add(new TwoPoints { X1 = _timeXPosOld, Y1 = _prevYCos, X2 = _timeXPos, Y2 = _timeYCos });
+
+            foreach (var tp in CurveCos)
+            {
+                g.DrawLines(myPen, tp.drwPoints());
+            }
+            //Debug.WriteLine($"p2 (x1,y1,x2,y2) -> {xpoints[0].X},{xpoints[0].Y},{xpoints[1].X},{xpoints[1].Y} ");
+            _timeXPosOld = _timeXPos;
+        }
+
+
+        private void pnlCanvas_Paint(object sender, PaintEventArgs e)
+        {
+            if (!CrossDrawn)
+            {
+                myPen.Width = 1;
+                g = pnlCanvas.CreateGraphics();
+                drawKoordCrossLines();
+            }
+
+            //drawCurves();
+
+        }
+
+        private void paintTimer_Tick(object sender, EventArgs e)
+        {
+            _timeXPos += 1;
+            drawCurves();
+            //pnlCanvas.Refresh();
+        }
+    }
+}