Kepler-Release/Venus/Venus_Themes/UserControls/DrawGraphicsControl.xaml.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection.Emit;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using Venus_Core;

namespace Venus_Themes.UserControls
{
    /// <summary>
    /// DrawGraphicsControl.xaml 的交互逻辑
    /// </summary>
    public partial class DrawGraphicsControl : UserControl
    {
        private double m_WavePlotX = 0;//x轴起始点
        private double m_WavePlotY = 0;//y轴起始点
        private double m_WavePlotWidth = 5000;//x轴长度
        private double m_WavePlotHeight = 100;//y轴长度

        private double m_WavePlotMinX = double.MaxValue;
        private double m_WavePlotMaxX = double.MinValue;
        private double m_WavePlotMinY = double.MaxValue;
        private double m_WavePlotMaxY = double.MinValue;
        private double m_StartDrawLineX = 0;

        private System.Drawing.Brush m_BrushText = System.Drawing.Brushes.Black;
        private System.Drawing.Brush m_BrushXYText = System.Drawing.Brushes.DarkRed;
        private System.Drawing.Pen m_PenLine;
        private System.Drawing.Pen m_PenLightGray;
        private System.Drawing.Pen m_PenBlue;
        private System.Drawing.Pen m_PenData;
        private System.Drawing.Pen m_PenSData;
        private System.Drawing.Pen m_PenASData;
        public System.Drawing.Pen[] m_PenCollencteions;
        public System.Drawing.Pen[] m_PenCollencteionsnew;
        private bool m_StartMouseMove = false;
        private bool m_MouseMove = false;
        private bool m_MouseEnter = false;
        private System.Windows.Point m_StartPoint;
        private System.Windows.Point m_EndPoint;
        private System.Windows.Point m_CurrentPoint;

        private float LineThickness = 3.0f;

        #region Property
        public PointCollection PlotDataPoints
        {
            get { return (PointCollection)GetValue(PlotDataProperty); }
            set { SetValue(PlotDataProperty, value); GraphicDraw(); }
        }
        /// <summary>
        /// Identifies the DrawGraphicsControl.PlotDataPoints attached property. 
        /// </summary>
        public static readonly DependencyProperty PlotDataProperty =
            DependencyProperty.RegisterAttached("PlotDataPoints", typeof(PointCollection), typeof(DrawGraphicsControl));
        public PointCollection PlotSDataPoints
        {
            get { return (PointCollection)GetValue(PlotSDataProperty); }
            set { SetValue(PlotSDataProperty, value); GraphicDraw(); }
        }
        /// <summary>
        /// Identifies the DrawGraphicsControl.PlotSDataPoints attached property. 
        /// </summary>
        public static readonly DependencyProperty PlotSDataProperty =
            DependencyProperty.RegisterAttached("PlotSDataPoints", typeof(PointCollection), typeof(DrawGraphicsControl));
        public PointCollection PlotASDataPoints
        {
            get { return (PointCollection)GetValue(PlotASDataProperty); }
            set { SetValue(PlotASDataProperty, value); GraphicDraw(); }
        }
        /// <summary>
        /// Identifies the DrawGraphicsControl.PlotASDataPoints attached property. 
        /// </summary>
        public static readonly DependencyProperty PlotASDataProperty =
            DependencyProperty.RegisterAttached("PlotASDataPoints", typeof(PointCollection), typeof(DrawGraphicsControl));
        public List<PointCollection> PointCollections
        {
            get { return (List<PointCollection>)GetValue(PointCollectionsProperty); }
            set { SetValue(PointCollectionsProperty, value); GraphicDraw(); }
        }
        /// <summary>
        /// Identifies the DrawGraphicsControl.PointCollections attached property. 
        /// </summary>
        public static readonly DependencyProperty PointCollectionsProperty =
            DependencyProperty.RegisterAttached("PointCollections", typeof(List<PointCollection>), typeof(DrawGraphicsControl));
        public PointCollection Points
        {
            get { return (PointCollection)GetValue(PointsProperty); }
            set { SetValue(PointsProperty, value); GraphicDraw(); }
        }
        /// <summary>
        /// Identifies the DrawGraphicsControl.Points attached property. 
        /// </summary>
        public static readonly DependencyProperty PointsProperty =
            DependencyProperty.RegisterAttached("Points", typeof(PointCollection), typeof(DrawGraphicsControl));


        public List<StepItem> YPoints
        {
            get { return (List<StepItem>)GetValue(YPointsProperty); }
            set { SetValue(YPointsProperty, value);  }
        }
        public static readonly DependencyProperty YPointsProperty =
            DependencyProperty.RegisterAttached("YPoints", typeof(List<StepItem>), typeof(DrawGraphicsControl),new PropertyMetadata (new List<StepItem>()));


        #region 起始坐标轴
        public double WavePlotOriginX
        {
            get { return (double)GetValue(WavePlotOriginXProperty); }
            set { SetValue(WavePlotOriginXProperty, value); }
        }
        public static readonly DependencyProperty WavePlotOriginXProperty =
            DependencyProperty.Register("WavePlotOriginX", typeof(double), typeof(DrawGraphicsControl), new PropertyMetadata(0.0));
        public double WavePlotOriginY
        {
            get { return (double)GetValue(WavePlotOriginYProperty); }
            set { SetValue(WavePlotOriginYProperty, value); }
        }
        public static readonly DependencyProperty WavePlotOriginYProperty =
            DependencyProperty.Register("WavePlotOriginY", typeof(double), typeof(DrawGraphicsControl), new PropertyMetadata(0.0));
        public double WavePlotOriginWidth
        {
            get { return (double)GetValue(WavePlotOriginWidthProperty); }
            set { SetValue(WavePlotOriginWidthProperty, value); }
        }
        public static readonly DependencyProperty WavePlotOriginWidthProperty =
           DependencyProperty.Register("WavePlotOriginWidth", typeof(double), typeof(DrawGraphicsControl), new PropertyMetadata(1000.0));

        public double WavePlotOriginHeight
        {
            get { return (double)GetValue(WavePlotOriginHeightProperty); }
            set { SetValue(WavePlotOriginHeightProperty, value); }
        }
        public static readonly DependencyProperty WavePlotOriginHeightProperty =
            DependencyProperty.Register("WavePlotOriginHeight", typeof(double), typeof(DrawGraphicsControl), new PropertyMetadata(1000.0));
        #endregion




        public bool IsHorizontalNavigationEnabled
        {
            get { return (bool)GetValue(IsHorizontalNavigationEnabledProperty); }
            set { SetValue(IsHorizontalNavigationEnabledProperty, value); }
        }
        /// <summary>Identifies <see cref="IsHorizontalNavigationEnabled"/> property</summary>
        public static readonly DependencyProperty IsHorizontalNavigationEnabledProperty =
            DependencyProperty.Register("IsHorizontalNavigationEnabled", typeof(bool), typeof(DrawGraphicsControl), new PropertyMetadata(true));
        public bool IsVerticalNavigationEnabled
        {
            get { return (bool)GetValue(IsVerticalNavigationEnabledProperty); }
            set { SetValue(IsVerticalNavigationEnabledProperty, value); }
        }
        /// <summary>Identifies <see cref="IsVerticalNavigationEnabled"/> property</summary>
        public static readonly DependencyProperty IsVerticalNavigationEnabledProperty =
            DependencyProperty.Register("IsVerticalNavigationEnabled", typeof(bool), typeof(DrawGraphicsControl), new PropertyMetadata(true));
        public bool IsHorizontalDateTimeAxis
        {
            get { return (bool)GetValue(IsHorizontalDateTimeAxisProperty); }
            set { SetValue(IsHorizontalDateTimeAxisProperty, value); }
        }
        /// <summary>Identifies <see cref="IsVerticalNavigationEnabled"/> property</summary>
        public static readonly DependencyProperty IsHorizontalDateTimeAxisProperty =
            DependencyProperty.Register("IsHorizontalDateTimeAxis", typeof(bool), typeof(DrawGraphicsControl), new PropertyMetadata(false));
        #endregion Property

        public DrawGraphicsControl()
        {
            InitializeComponent();

            m_PenLine = new System.Drawing.Pen(System.Drawing.Brushes.Black, 1);
            m_PenLightGray = new System.Drawing.Pen(System.Drawing.Brushes.LightGray, 0.1F);
            m_PenBlue = new System.Drawing.Pen(System.Drawing.Brushes.DarkBlue, 1);
            m_PenData = new System.Drawing.Pen(System.Drawing.Brushes.Green, 1);
            m_PenSData = new System.Drawing.Pen(System.Drawing.Brushes.Blue, 1);
            m_PenASData = new System.Drawing.Pen(System.Drawing.Brushes.Red, 1);

            InitPens();
            IsHorizontalNavigationEnabled = false;
            IsVerticalNavigationEnabled = false;
        }

        #region Public

        public void InitPens()
        {
            m_PenCollencteions = new System.Drawing.Pen[]
               {
                new System.Drawing.Pen(System.Drawing.Brushes.Green,LineThickness),
                new System.Drawing.Pen(System.Drawing.Brushes.Red,LineThickness),
                new System.Drawing.Pen(System.Drawing.Brushes.Blue,LineThickness),
                new System.Drawing.Pen(System.Drawing.Brushes.Orange,LineThickness),
                new System.Drawing.Pen(System.Drawing.Brushes.Yellow,LineThickness),
                new System.Drawing.Pen(System.Drawing.Brushes.YellowGreen,LineThickness),
                new System.Drawing.Pen(System.Drawing.Brushes.AliceBlue,LineThickness),
                new System.Drawing.Pen(System.Drawing.Brushes.Chocolate,LineThickness),
                new System.Drawing.Pen(System.Drawing.Brushes.Cyan,LineThickness),
                new System.Drawing.Pen(System.Drawing.Brushes.DarkGreen,LineThickness),
               };
        }
        public void ResetCoordinate()
        {
            m_WavePlotX = WavePlotOriginX;
            m_WavePlotY = WavePlotOriginY;
            m_WavePlotWidth = WavePlotOriginWidth;
            m_WavePlotHeight = WavePlotOriginHeight;
            GraphicDraw();
        }
        public void ResetControl()
        {
            GraphicDraw();
        }

        public void FitControl()
        {
            if (!double.IsNaN(m_WavePlotMinX) && !double.IsNaN(m_WavePlotMaxX) && !double.IsNaN(m_WavePlotMinY) && !double.IsNaN(m_WavePlotMaxY)
                && m_WavePlotMinX != double.MaxValue && m_WavePlotMaxX != double.MinValue && m_WavePlotMinY != double.MaxValue && m_WavePlotMaxY != double.MinValue)
            {

                m_WavePlotX = m_WavePlotMinX;
                m_WavePlotWidth = m_WavePlotMaxX - m_WavePlotMinX;
                m_WavePlotY = m_WavePlotMinY-1;
                m_WavePlotHeight = m_WavePlotMaxY - m_WavePlotMinY+2;
                GraphicDraw();
            }
        }
        public void FitControlWithoutDrawing()
        {
            m_WavePlotX = m_WavePlotMinX;
            m_WavePlotWidth = m_WavePlotMaxX - m_WavePlotMinX;
            m_WavePlotY = m_WavePlotMinY - 1;
            m_WavePlotHeight = m_WavePlotMaxY - m_WavePlotMinY + 2;
        }
        public void ClearPlot()
        {
            Points = new PointCollection();
        }

        public void ClearPlotPoints()
        {
            PointCollections = new List<PointCollection>();
        }

        public void Plot(IEnumerable x, IEnumerable y, int count = 0)
        {
            if (x == null || y == null) return;
            if (Points == null || count == 0) Points = new PointCollection();
            var enx = x.GetEnumerator();
            var eny = y.GetEnumerator();
            while (true)
            {
                var nx = enx.MoveNext();
                var ny = eny.MoveNext();
                if (nx && ny)
                    Points.Add(new System.Windows.Point(Convert.ToSingle(enx.Current, CultureInfo.InvariantCulture),
                        Convert.ToSingle(eny.Current, CultureInfo.InvariantCulture)));
                else if (!nx && !ny)
                    break;
                else
                    throw new ArgumentException("x and y have different lengthes");
                if (count > 0 && Points.Count > count) Points.RemoveAt(0);
            }
        }

        public void PlotY(IEnumerable y, int count = 0)
        {
            if (y == null) return;
            if (Points == null || count == 0) Points = new PointCollection();
            int x = 0;
            var en = y.GetEnumerator();
            while (en.MoveNext())
            {
                Points.Add(new System.Windows.Point(x++, Convert.ToSingle(en.Current, CultureInfo.InvariantCulture)));
                if (count > 0 && Points.Count > count) Points.RemoveAt(0);
            }
        }

        public void PlotPoints(IEnumerable x, IEnumerable y, int count = 0)
        {
            if (x == null || y == null)
            {
                PointCollections = new List<PointCollection>();
                return;
            }
            if (PointCollections == null || count == 0) PointCollections = new List<PointCollection>();

            var points = new PointCollection();
            var enx = x.GetEnumerator();
            var eny = y.GetEnumerator();
            while (true)
            {
                var nx = enx.MoveNext();
                var ny = eny.MoveNext();
                if (nx && ny)
                    points.Add(new System.Windows.Point(Convert.ToSingle(enx.Current, CultureInfo.InvariantCulture),
                        Convert.ToSingle(eny.Current, CultureInfo.InvariantCulture)));
                else if (!nx && !ny)
                    break;
                else
                    throw new ArgumentException("x and y have different lengthes");
            }
            PointCollections.Add(points);
            if (count > 0 && PointCollections.Count > count) PointCollections.RemoveAt(0);
            PointCollections = PointCollections;
        }

        public void PlotPointYs(IEnumerable y, int count = 0)
        {
            if (y == null) return;
            if (PointCollections == null || count == 0) PointCollections = new List<PointCollection>();
            var points = new PointCollection();
            int x = 0;
            var en = y.GetEnumerator();
            while (en.MoveNext())
            {
                points.Add(new System.Windows.Point(x++, Convert.ToSingle(en.Current, CultureInfo.InvariantCulture)));
            }
            PointCollections.Add(points);
            if (count > 0 && PointCollections.Count > count) PointCollections.RemoveAt(0);
        }

        public void PlotData(IEnumerable x, IEnumerable y)
        {
            if (x == null || y == null)
            {
                PlotDataPoints = new PointCollection();
                return;
            }

            var points = new PointCollection();
            var enx = x.GetEnumerator();
            var eny = y.GetEnumerator();
            while (true)
            {
                var nx = enx.MoveNext();
                var ny = eny.MoveNext();
                if (nx && ny)
                    points.Add(new System.Windows.Point(Convert.ToDouble(enx.Current, CultureInfo.InvariantCulture),
                        Convert.ToDouble(eny.Current, CultureInfo.InvariantCulture)));
                else if (!nx && !ny)
                    break;
                else
                    throw new ArgumentException("x and y have different lengthes");
            }

            PlotDataPoints = points;
        }

        public void PlotSData(IEnumerable x, IEnumerable y)
        {
            if (x == null || y == null)
            {
                PlotSDataPoints = new PointCollection();
                return;
            }

            var points = new PointCollection();
            var enx = x.GetEnumerator();
            var eny = y.GetEnumerator();
            while (true)
            {
                var nx = enx.MoveNext();
                var ny = eny.MoveNext();
                if (nx && ny)
                    points.Add(new System.Windows.Point(Convert.ToDouble(enx.Current, CultureInfo.InvariantCulture),
                        Convert.ToDouble(eny.Current, CultureInfo.InvariantCulture)));
                else if (!nx && !ny)
                    break;
                else
                    throw new ArgumentException("x and y have different lengthes");
            }

            PlotSDataPoints = points;
        }

        public void PlotASData(IEnumerable x, IEnumerable y)
        {
            if (x == null || y == null)
            {
                PlotASDataPoints = new PointCollection();
                return;
            }

            var points = new PointCollection();
            var enx = x.GetEnumerator();
            var eny = y.GetEnumerator();
            while (true)
            {
                var nx = enx.MoveNext();
                var ny = eny.MoveNext();
                if (nx && ny)
                    points.Add(new System.Windows.Point(Convert.ToDouble(enx.Current, CultureInfo.InvariantCulture),
                        Convert.ToDouble(eny.Current, CultureInfo.InvariantCulture)));
                else if (!nx && !ny)
                    break;
                else
                    throw new ArgumentException("x and y have different lengthes");
            }

            PlotASDataPoints = points;
        }

        /// <summary>
        /// 获取小数位数
        /// </summary>
        /// <param name="decimalV">小数</param>
        /// <returns></returns>
        public int GetNumberOfDecimalPlaces(double decimalV)
        {
            string[] temp = decimalV.ToString().Split('.');
            if (temp.Length == 2 && temp[1].Length > 0)
            {
                int index = temp[1].Length - 1;
                while (temp[1][index] == '0' && index-- > 0) ;
                return index + 1;
            }
            return 0;
        }
        #endregion Public

        #region Private Draw
        //public void GraphicDrawplotsally()
        //{
        //    if (Canvas_Main.ActualWidth <= 0 || Canvas_Main.ActualHeight <= 0) return;
        //    m_WavePlotMinX = double.MaxValue;
        //    m_WavePlotMaxX = double.MinValue;
        //    m_WavePlotMinY = double.MaxValue;
        //    m_WavePlotMaxY = double.MinValue;
        //    using (Bitmap bitmap = new Bitmap((int)Canvas_Main.ActualWidth, (int)Canvas_Main.ActualHeight))
        //    {
        //        Graphics graphics = Graphics.FromImage(bitmap);
        //        if (m_WavePlotHeight < Math.Pow(10, -4))
        //        {
        //            double Min = m_WavePlotY;
        //            double Max = m_WavePlotY + m_WavePlotHeight;
        //            double delta = (Max - Min) / 2;
        //            double center = (Max + Min) / 2;
        //            Min = center - delta * 1.2;
        //            Max = center + delta * 1.2;
        //            m_WavePlotY = Min;
        //            m_WavePlotHeight = Max - Min;
        //        }
        //    }
        //}
        private void GraphicDraw()
        {
            if (Canvas_Main.ActualWidth <= 0 || Canvas_Main.ActualHeight <= 0) return;
            m_WavePlotMinX = double.MaxValue;
            m_WavePlotMaxX = double.MinValue;
            m_WavePlotMinY = double.MaxValue;
            m_WavePlotMaxY = double.MinValue;
            using (Bitmap bitmap = new Bitmap((int)Canvas_Main.ActualWidth, (int)Canvas_Main.ActualHeight))
            {
                Graphics graphics = Graphics.FromImage(bitmap);
                //纵坐标 
                if (m_WavePlotHeight < Math.Pow(10, -4))
                {
                    double Min = m_WavePlotY;
                    double Max = m_WavePlotY + m_WavePlotHeight;
                    double delta = (Max - Min) / 2;
                    double center = (Max + Min) / 2;
                    Min = center - delta * 1.2;
                    Max = center + delta * 1.2;
                    m_WavePlotY = Min;
                    m_WavePlotHeight = Max - Min;
                }
                if (m_WavePlotHeight > Math.Pow(10, -4))
                {
                    int IntervalTextY; int ExpCountY;
                    GetIntervalValue(m_WavePlotY, m_WavePlotY + m_WavePlotHeight, out IntervalTextY, out ExpCountY);
                    int StartIndexY = (int)(m_WavePlotY / (IntervalTextY * Math.Pow(10, ExpCountY)));
                    int EndIndexY = (int)((m_WavePlotY + m_WavePlotHeight) / (IntervalTextY * Math.Pow(10, ExpCountY)));
                    int DrawStringLength = 0;
                    //寻找显示最长字符串
                    for (int i = StartIndexY; i <= EndIndexY; i++)
                    {
                        if (DrawStringLength < ChangeDataToD((i * IntervalTextY * Math.Pow(10, ExpCountY)).ToString()).ToString().Length) DrawStringLength = ChangeDataToD((i * IntervalTextY * Math.Pow(10, ExpCountY)).ToString()).ToString().Length;
                    }
                    m_StartDrawLineX = (DrawStringLength + 5) * 5;
                    for (int i = StartIndexY; i <= EndIndexY; i++)
                    {
                        if (i == StartIndexY && (i * IntervalTextY * Math.Pow(10, ExpCountY)) < m_WavePlotY) continue;
                        if (i == EndIndexY && (i * IntervalTextY * Math.Pow(10, ExpCountY)) > m_WavePlotY + m_WavePlotHeight) continue;
                        double Y = Canvas_Main.ActualHeight - 50 - ((Canvas_Main.ActualHeight - 50.0) / m_WavePlotHeight) * (i * IntervalTextY * Math.Pow(10, ExpCountY) - m_WavePlotY);
                        if (Y < 0) Y = 0;
                        if (Y > Canvas_Main.ActualHeight - 50) Y = Canvas_Main.ActualHeight - 50;
                        graphics.DrawLine(m_PenLightGray, new PointF((float)m_StartDrawLineX, (float)Y), new PointF((float)(Canvas_Main.ActualWidth), (float)Y));
                        graphics.DrawLine(m_PenLine, new PointF((float)m_StartDrawLineX, (float)Y), new PointF((float)m_StartDrawLineX - 10, (float)Y));
                        graphics.DrawString(ChangeDataToD((i * IntervalTextY * Math.Pow(10, ExpCountY)).ToString()).ToString(), System.Drawing.SystemFonts.DefaultFont, m_BrushText, new PointF(0, (float)(Y - 5)));
                    }
                }

                //横坐标
                if (m_WavePlotWidth < Math.Pow(10, -4))
                {
                    double Min = m_WavePlotX;
                    double Max = m_WavePlotX + m_WavePlotWidth;
                    double delta = (Max - Min) / 2;
                    double center = (Max + Min) / 2;
                    Min = center - delta * 1.2;
                    Max = center + delta * 1.2;
                    m_WavePlotX = Min;
                    m_WavePlotWidth = Max - Min;
                }
                if (m_WavePlotWidth > Math.Pow(10, -4))
                {
                    int IntervalTextX; int ExpCountX;
                    GetIntervalValue(m_WavePlotX, m_WavePlotX + m_WavePlotWidth, out IntervalTextX, out ExpCountX);
                    int StartIndexX = (int)(m_WavePlotX / (IntervalTextX * Math.Pow(10, ExpCountX)));
                    int EndIndexX = (int)((m_WavePlotX + m_WavePlotWidth) / (IntervalTextX * Math.Pow(10, ExpCountX)));
                    for (int i = StartIndexX; i <= EndIndexX; i++)
                    {
                        if (i == StartIndexX && (i * IntervalTextX * Math.Pow(10, ExpCountX)) < m_WavePlotX) continue;
                        if (i == EndIndexX && (i * IntervalTextX * Math.Pow(10, ExpCountX)) > m_WavePlotX + m_WavePlotWidth) continue;
                        double X = m_StartDrawLineX + ((Canvas_Main.ActualWidth - m_StartDrawLineX) / m_WavePlotWidth) * (i * IntervalTextX * Math.Pow(10, ExpCountX) - m_WavePlotX);
                        if (X < m_StartDrawLineX) X = m_StartDrawLineX;
                        if (X > Canvas_Main.ActualWidth) X = Canvas_Main.ActualWidth;
                        
                        //graphics.DrawLine(m_PenLightGray, new PointF((float)X, 0), new PointF((float)X, (float)Canvas_Main.ActualHeight - 50));//画X轴横线
                        graphics.DrawLine(m_PenLine, new PointF((float)X, (float)Canvas_Main.ActualHeight - 30), new PointF((float)X, (float)Canvas_Main.ActualHeight - 50));
                        if (IsHorizontalDateTimeAxis)
                        {
                            graphics.DrawString(DateTime.FromOADate((double)ChangeDataToD((i * IntervalTextX * Math.Pow(10, ExpCountX)).ToString())).ToString("yyyy-MM-dd HH:mm:ss"), System.Drawing.SystemFonts.DefaultFont, m_BrushText, new PointF((float)X - 10, (float)Canvas_Main.ActualHeight - 30));
                        }
                        else
                        {
                            graphics.DrawString(ChangeDataToD((i * IntervalTextX * Math.Pow(10, ExpCountX)).ToString()).ToString(), System.Drawing.SystemFonts.DefaultFont, m_BrushText, new PointF((float)X - 10, (float)Canvas_Main.ActualHeight - 30));
                        }
                    }
                }

                //画边框
                graphics.DrawLine(m_PenLine, new PointF((float)m_StartDrawLineX, 0), new PointF((float)m_StartDrawLineX, (float)Canvas_Main.ActualHeight - 50));
                graphics.DrawLine(m_PenLine, new PointF((float)m_StartDrawLineX, 0), new PointF((float)(Canvas_Main.ActualWidth), 0));
                graphics.DrawLine(m_PenLine, new PointF((float)m_StartDrawLineX, (float)(Canvas_Main.ActualHeight - 50)), new PointF((float)Canvas_Main.ActualWidth, (float)(Canvas_Main.ActualHeight - 50)));
                graphics.DrawLine(m_PenLine, new PointF((float)Canvas_Main.ActualWidth - 1, 0), new PointF((float)Canvas_Main.ActualWidth - 1, (float)(Canvas_Main.ActualHeight - 50)));

               

                if (this.PlotDataPoints != null && this.PlotDataPoints.Count > 0)
                {
                    List<PointF> points = new List<PointF>();
                    for (int i = 0; i < PlotDataPoints.Count; i++)
                    {
                        if (PlotDataPoints[i].X >= m_WavePlotX && PlotDataPoints[i].X <= m_WavePlotX + m_WavePlotWidth)
                        {
                            double StartX = m_StartDrawLineX + (Canvas_Main.ActualWidth - m_StartDrawLineX) / m_WavePlotWidth * (PlotDataPoints[i].X - m_WavePlotX);
                            if (StartX < m_StartDrawLineX || PlotDataPoints[i].X < m_WavePlotX) StartX = m_StartDrawLineX;
                            if (StartX > Canvas_Main.ActualWidth || PlotDataPoints[i].X > m_WavePlotX + m_WavePlotWidth) StartX = Canvas_Main.ActualWidth;
                            double StartY = Canvas_Main.ActualHeight - 50 - (Canvas_Main.ActualHeight - 50.0) / m_WavePlotHeight * (PlotDataPoints[i].Y - m_WavePlotY);
                            if (StartY < 0 || PlotDataPoints[i].Y > m_WavePlotY + m_WavePlotHeight) StartY = 0;
                            if (StartY > Canvas_Main.ActualHeight - 50 || PlotDataPoints[i].Y < m_WavePlotY) StartY = Canvas_Main.ActualHeight - 50;
                            points.Add(new PointF((float)StartX, (float)StartY));
                        }
                        if (m_WavePlotMinX == double.MaxValue || m_WavePlotMinX > PlotDataPoints[i].X) m_WavePlotMinX = PlotDataPoints[i].X;
                        if (m_WavePlotMaxX == double.MinValue || m_WavePlotMaxX < PlotDataPoints[i].X) m_WavePlotMaxX = PlotDataPoints[i].X;
                        if (m_WavePlotMinY == double.MaxValue || m_WavePlotMinY > PlotDataPoints[i].Y) m_WavePlotMinY = PlotDataPoints[i].Y;
                        if (m_WavePlotMaxY == double.MinValue || m_WavePlotMaxY < PlotDataPoints[i].Y) m_WavePlotMaxY = PlotDataPoints[i].Y;
                    }
                    if (points.Count > 1 && points.Where(_ => float.IsNaN(_.X) || float.IsNaN(_.Y)).ToList<PointF>().Count == 0) graphics.DrawLines(m_PenData, points.ToArray());
                }
                if (this.PlotSDataPoints != null && this.PlotSDataPoints.Count > 0)
                {
                    List<PointF> points = new List<PointF>();
                    for (int i = 0; i < PlotSDataPoints.Count; i++)
                    {
                        if (PlotSDataPoints[i].X >= m_WavePlotX && PlotSDataPoints[i].X <= m_WavePlotX + m_WavePlotWidth)
                        {
                            double StartX = 50 + (Canvas_Main.ActualWidth - m_StartDrawLineX) / m_WavePlotWidth * (PlotSDataPoints[i].X - m_WavePlotX);
                            if (StartX < m_StartDrawLineX || PlotSDataPoints[i].X < m_WavePlotX) StartX = m_StartDrawLineX;
                            if (StartX > Canvas_Main.ActualWidth || PlotSDataPoints[i].X > m_WavePlotX + m_WavePlotWidth) StartX = Canvas_Main.ActualWidth;
                            double StartY = Canvas_Main.ActualHeight - 50 - (Canvas_Main.ActualHeight - 50.0) / m_WavePlotHeight * (PlotSDataPoints[i].Y - m_WavePlotY);
                            if (StartY < 0 || PlotSDataPoints[i].Y > m_WavePlotY + m_WavePlotHeight) StartY = 0;
                            if (StartY > Canvas_Main.ActualHeight - 50 || PlotSDataPoints[i].Y < m_WavePlotY) StartY = Canvas_Main.ActualHeight - 50;
                            points.Add(new PointF((float)StartX, (float)StartY));
                        }
                        if (double.IsNaN(m_WavePlotMinX) || m_WavePlotMinX > PlotSDataPoints[i].X) m_WavePlotMinX = PlotSDataPoints[i].X;
                        if (double.IsNaN(m_WavePlotMaxX) || m_WavePlotMaxX < PlotSDataPoints[i].X) m_WavePlotMaxX = PlotSDataPoints[i].X;
                        if (double.IsNaN(m_WavePlotMinY) || m_WavePlotMinY > PlotSDataPoints[i].Y) m_WavePlotMinY = PlotSDataPoints[i].Y;
                        if (double.IsNaN(m_WavePlotMaxY) || m_WavePlotMaxY < PlotSDataPoints[i].Y) m_WavePlotMaxY = PlotSDataPoints[i].Y;
                    }
                    if (points.Count > 1 && points.Where(_ => float.IsNaN(_.X) || float.IsNaN(_.Y)).ToList<PointF>().Count == 0) graphics.DrawLines(m_PenSData, points.ToArray());
                }
                if (this.PlotASDataPoints != null && this.PlotASDataPoints.Count > 0)
                {
                    List<PointF> points = new List<PointF>();
                    for (int i = 0; i < PlotASDataPoints.Count; i++)
                    {
                        if (PlotASDataPoints[i].X >= m_WavePlotX && PlotASDataPoints[i].X <= m_WavePlotX + m_WavePlotWidth)
                        {
                            double StartX = m_StartDrawLineX + (Canvas_Main.ActualWidth - m_StartDrawLineX) / m_WavePlotWidth * (PlotASDataPoints[i].X - m_WavePlotX);
                            if (StartX < m_StartDrawLineX || PlotASDataPoints[i].X < m_WavePlotX) StartX = m_StartDrawLineX;
                            if (StartX > Canvas_Main.ActualWidth || PlotASDataPoints[i].X > m_WavePlotX + m_WavePlotWidth) StartX = Canvas_Main.ActualWidth;
                            double StartY = Canvas_Main.ActualHeight - 50 - (Canvas_Main.ActualHeight - 50.0) / m_WavePlotHeight * (PlotASDataPoints[i].Y - m_WavePlotY);
                            if (StartY < 0 || PlotASDataPoints[i].Y > m_WavePlotY + m_WavePlotHeight) StartY = 0;
                            if (StartY > Canvas_Main.ActualHeight - 50 || PlotASDataPoints[i].Y < m_WavePlotY) StartY = Canvas_Main.ActualHeight - 50;
                            points.Add(new PointF((float)StartX, (float)StartY));
                        }
                        if (m_WavePlotMinX == double.MaxValue || m_WavePlotMinX > PlotASDataPoints[i].X) m_WavePlotMinX = PlotASDataPoints[i].X;
                        if (m_WavePlotMaxX == double.MinValue || m_WavePlotMaxX < PlotASDataPoints[i].X) m_WavePlotMaxX = PlotASDataPoints[i].X;
                        if (m_WavePlotMinY == double.MaxValue || m_WavePlotMinY > PlotASDataPoints[i].Y) m_WavePlotMinY = PlotASDataPoints[i].Y;
                        if (m_WavePlotMaxY == double.MinValue || m_WavePlotMaxY < PlotASDataPoints[i].Y) m_WavePlotMaxY = PlotASDataPoints[i].Y;
                    }
                    if (points.Count > 1 && points.Where(_ => float.IsNaN(_.X) || float.IsNaN(_.Y)).ToList<PointF>().Count == 0) graphics.DrawLines(m_PenASData, points.ToArray());
                }

                if (YPoints.Count > 0)
                {
                    YPoints.ForEach(p =>
                    {
                        double StartX = m_StartDrawLineX + (Canvas_Main.ActualWidth - m_StartDrawLineX) / m_WavePlotWidth * (p.StartValue - m_WavePlotX);
                        if (StartX < m_StartDrawLineX || p.StartValue < m_WavePlotX)
                        {
                            return;
                            //StartX = m_StartDrawLineX;
                        }
                        if (StartX > Canvas_Main.ActualWidth || p.StartValue > m_WavePlotX + m_WavePlotWidth)
                        {
                            return;
                            //StartX = Canvas_Main.ActualWidth;
                        }

                        graphics.DrawLine(new System.Drawing.Pen(System.Drawing.Color.Silver, 3), (float)StartX, (float)Canvas_Main.ActualHeight - 50, (float)StartX, 0);
                        graphics.DrawString(p.Information, new System.Drawing.Font("Arial", 12), System.Drawing.Brushes.Black, (float)StartX, (float)Canvas_Main.ActualHeight / 15);
                    });
                }
                if (this.Points != null && this.Points.Count > 0)
                {
                    List<PointF> points = new List<PointF>();
                    for (int i = 0; i < Points.Count; i++)
                    {
                        if (Points[i].X >= m_WavePlotX && Points[i].X <= m_WavePlotX + m_WavePlotWidth)
                        {
                            double StartX = m_StartDrawLineX + (Canvas_Main.ActualWidth - m_StartDrawLineX) / m_WavePlotWidth * (Points[i].X - m_WavePlotX);
                            if (StartX < m_StartDrawLineX || Points[i].X < m_WavePlotX) StartX = m_StartDrawLineX;
                            if (StartX > Canvas_Main.ActualWidth || Points[i].X > m_WavePlotX + m_WavePlotWidth) StartX = Canvas_Main.ActualWidth;
                            double StartY = Canvas_Main.ActualHeight - 50 - (Canvas_Main.ActualHeight - 50.0) / m_WavePlotHeight * (Points[i].Y - m_WavePlotY);
                            if (StartY < 0 || Points[i].Y > m_WavePlotY + m_WavePlotHeight) StartY = 0;
                            if (StartY > Canvas_Main.ActualHeight - 50 || Points[i].Y < m_WavePlotY) StartY = Canvas_Main.ActualHeight - 50;
                            points.Add(new PointF((float)StartX, (float)StartY));
                        }
                        if (m_WavePlotMinX == double.MaxValue || m_WavePlotMinX > Points[i].X) m_WavePlotMinX = Points[i].X;
                        if (m_WavePlotMaxX == double.MinValue || m_WavePlotMaxX < Points[i].X) m_WavePlotMaxX = Points[i].X;
                        if (m_WavePlotMinY == double.MaxValue || m_WavePlotMinY > Points[i].Y) m_WavePlotMinY = Points[i].Y;
                        if (m_WavePlotMaxY == double.MinValue || m_WavePlotMaxY < Points[i].Y) m_WavePlotMaxY = Points[i].Y;
                    }
                    if (points.Count > 1 && points.Where(_ => float.IsNaN(_.X) || float.IsNaN(_.Y)).ToList<PointF>().Count == 0) graphics.DrawLines(m_PenData, points.ToArray());
                }
                if (this.PointCollections != null && this.PointCollections.Count > 0)
                {
                    for (int i = 0; i < this.PointCollections.Count; i++)
                    {
                        List<PointF> points = new List<PointF>();
                        for (int j = 0; j < this.PointCollections[i].Count; j++)
                        {
                            if (this.PointCollections[i][j].X >= m_WavePlotX && this.PointCollections[i][j].X <= m_WavePlotX + m_WavePlotWidth)
                            {
                                double StartX = m_StartDrawLineX + (Canvas_Main.ActualWidth - m_StartDrawLineX) / m_WavePlotWidth * (this.PointCollections[i][j].X - m_WavePlotX);
                                if (StartX < m_StartDrawLineX || this.PointCollections[i][j].X < m_WavePlotX) StartX = m_StartDrawLineX;
                                if (StartX > Canvas_Main.ActualWidth || this.PointCollections[i][j].X > m_WavePlotX + m_WavePlotWidth) StartX = Canvas_Main.ActualWidth;
                                double StartY = Canvas_Main.ActualHeight - 50 - (Canvas_Main.ActualHeight - 50.0) / m_WavePlotHeight * (this.PointCollections[i][j].Y - m_WavePlotY);
                                if (StartY < 0 || this.PointCollections[i][j].Y > m_WavePlotY + m_WavePlotHeight) StartY = 0;
                                if (StartY > Canvas_Main.ActualHeight - 50 || this.PointCollections[i][j].Y < m_WavePlotY) StartY = Canvas_Main.ActualHeight - 50;
                                points.Add(new PointF((float)StartX, (float)StartY));
                            }
                            if (m_WavePlotMinX == double.MaxValue || m_WavePlotMinX > this.PointCollections[i][j].X) m_WavePlotMinX = this.PointCollections[i][j].X;
                            if (m_WavePlotMaxX == double.MinValue || m_WavePlotMaxX < this.PointCollections[i][j].X) m_WavePlotMaxX = this.PointCollections[i][j].X;
                            if (m_WavePlotMinY == double.MaxValue || m_WavePlotMinY > this.PointCollections[i][j].Y) m_WavePlotMinY = this.PointCollections[i][j].Y;
                            if (m_WavePlotMaxY == double.MinValue || m_WavePlotMaxY < this.PointCollections[i][j].Y) m_WavePlotMaxY = this.PointCollections[i][j].Y;
                        }

                        int count = this.PointCollections.Count * points.Count /100000+1;
                        if (count > 1)
                        {
                            points = points.Where((value, index) => index % count == 0).ToList();
                        }

                        

                        if (points.Count > 1 && points.Where(_ => float.IsNaN(_.X) || float.IsNaN(_.Y)).ToList<PointF>().Count == 0)
                        {
                            graphics.DrawLines(m_PenCollencteions[i % 10], points.ToArray());
                        }
                    }
                }
                

                //框选
                if (m_StartMouseMove && m_MouseMove)
                {
                    if (m_StartPoint != null && m_EndPoint != null)
                    {
                        int x = m_StartPoint.X > m_EndPoint.X ? (int)m_EndPoint.X : (int)m_StartPoint.X;
                        int y = m_StartPoint.Y > m_EndPoint.Y ? (int)m_EndPoint.Y : (int)m_StartPoint.Y;
                        int width = (int)Math.Abs(m_EndPoint.X - m_StartPoint.X);
                        int height = (int)Math.Abs(m_EndPoint.Y - m_StartPoint.Y);
                        System.Drawing.Rectangle rectangle = new System.Drawing.Rectangle(x, y, width, height);                    
                        SolidBrush shadowBrush = new SolidBrush(System.Drawing.Color.FromArgb(100,100,100,100));
                        graphics.FillRectangle(shadowBrush, rectangle);
                        graphics.DrawRectangle(new System.Drawing.Pen (System.Drawing.Color.Transparent), rectangle);
                    }
                }
                else
                {
                    //拾取坐标
                    if (m_MouseEnter && m_CurrentPoint != null)
                    {
                        double X = m_WavePlotX + (m_CurrentPoint.X - m_StartDrawLineX) / ((this.ActualWidth - m_StartDrawLineX) / m_WavePlotWidth);
                        double Y = m_WavePlotY + (this.ActualHeight - 50 - m_CurrentPoint.Y) / ((this.ActualHeight - 50) / m_WavePlotHeight);
                        if (this.PointCollections == null || this.PointCollections.Count <= 10)
                        {
                            graphics.DrawLine(m_PenBlue, new System.Drawing.PointF((float)m_StartDrawLineX, (float)m_CurrentPoint.Y), new PointF((float)Canvas_Main.ActualWidth, (float)m_CurrentPoint.Y));
                            graphics.DrawLine(m_PenBlue, new System.Drawing.PointF((float)m_CurrentPoint.X, 0), new PointF((float)m_CurrentPoint.X, (float)Canvas_Main.ActualHeight - 50));
                            //if (IsHorizontalDateTimeAxis)
                            //{
                            //    graphics.DrawString(string.Format("X={0};Y={1}", DateTime.FromOADate(X), Y.ToString("0.00")), System.Drawing.SystemFonts.DefaultFont, m_BrushXYText, new PointF((float)m_CurrentPoint.X + 10, (float)m_CurrentPoint.Y + 10));
                            //}
                            //else
                            //{
                            //    graphics.DrawString(string.Format("X={0};Y={1}", X.ToString("0.00"), Y.ToString("0.00")), System.Drawing.SystemFonts.DefaultFont, m_BrushXYText, new PointF((float)m_CurrentPoint.X + 10, (float)m_CurrentPoint.Y + 10));
                            //}
                        }
                        //
                        if (this.PlotDataPoints != null && this.PlotDataPoints.Count > 0)
                        {
                            if (X >= this.PlotDataPoints[0].X && X <= this.PlotDataPoints[this.PlotDataPoints.Count - 1].X)
                            {
                                //int index = this.PlotDataX.IndexOf((int)Math.Round(X, 0));
                                var minDistance = this.PlotDataPoints.Min(x => Math.Abs(x.X - X));
                                var closest = this.PlotDataPoints.First(x => Math.Abs(Math.Abs(x.X - X) - minDistance) < 0.0001f);
                                int index = this.PlotDataPoints.IndexOf(closest);
                                if (index >= 0)
                                {
                                    double StartX = m_StartDrawLineX + (Canvas_Main.ActualWidth - m_StartDrawLineX) / m_WavePlotWidth * (PlotDataPoints[index].X - m_WavePlotX);
                                    if (StartX < m_StartDrawLineX || PlotDataPoints[index].X < m_WavePlotX) StartX = m_StartDrawLineX;
                                    if (StartX > Canvas_Main.ActualWidth || PlotDataPoints[index].X > m_WavePlotX + m_WavePlotWidth) StartX = Canvas_Main.ActualWidth;
                                    double StartY = Canvas_Main.ActualHeight - 50 - (Canvas_Main.ActualHeight - 50.0) / m_WavePlotHeight * (PlotDataPoints[index].Y - m_WavePlotY);
                                    if (StartY < 0 || PlotDataPoints[index].Y > m_WavePlotY + m_WavePlotHeight) StartY = 0;
                                    if (StartY > Canvas_Main.ActualHeight - 50 || PlotDataPoints[index].Y < m_WavePlotY) StartY = Canvas_Main.ActualHeight - 50;
                                    if (!double.IsNaN(StartX) && !double.IsNaN(StartY))
                                    {
                                        System.Drawing.Rectangle rectangle = new System.Drawing.Rectangle((int)StartX, (int)StartY, 5, 5);
                                        graphics.FillRectangle(System.Drawing.Brushes.Blue, rectangle);
                                        graphics.DrawEllipse(m_PenBlue, rectangle);
                                        if (IsHorizontalDateTimeAxis)
                                        {
                                            graphics.DrawString(string.Format("X={0};Y={1}", DateTime.FromOADate(PlotDataPoints[index].X), PlotDataPoints[index].Y.ToString("0.00")), System.Drawing.SystemFonts.DefaultFont, m_BrushXYText, new PointF((float)StartX + 10, (float)StartY + 10));
                                        }
                                        else
                                        {
                                            graphics.DrawString(string.Format("X={0};Y={1}", PlotDataPoints[index].X.ToString("0.00"), PlotDataPoints[index].Y.ToString("0.00")), System.Drawing.SystemFonts.DefaultFont, m_BrushXYText, new PointF((float)StartX + 10, (float)StartY + 10));
                                        }
                                    }
                                }
                            }
                        }
                        //
                        if (this.PlotSDataPoints != null && this.PlotSDataPoints.Count > 0)
                        {
                            if (X >= this.PlotSDataPoints[0].X && X <= this.PlotSDataPoints[this.PlotSDataPoints.Count - 1].X)
                            {
                                //int index = this.PlotSDataX.IndexOf((int)Math.Round(X, 0));
                                var minDistance = this.PlotSDataPoints.Min(x => Math.Abs(x.X - X));
                                var closest = this.PlotSDataPoints.First(x => Math.Abs(Math.Abs(x.X - X) - minDistance) < 0.0001f);
                                int index = this.PlotSDataPoints.IndexOf(closest);
                                if (index >= 0)
                                {
                                    double StartX = m_StartDrawLineX + (Canvas_Main.ActualWidth - m_StartDrawLineX) / m_WavePlotWidth * (PlotSDataPoints[index].X - m_WavePlotX);
                                    if (StartX < m_StartDrawLineX || PlotSDataPoints[index].X < m_WavePlotX) StartX = m_StartDrawLineX;
                                    if (StartX > Canvas_Main.ActualWidth || PlotSDataPoints[index].X > m_WavePlotX + m_WavePlotWidth) StartX = Canvas_Main.ActualWidth;
                                    double StartY = Canvas_Main.ActualHeight - 50 - (Canvas_Main.ActualHeight - 50.0) / m_WavePlotHeight * (PlotSDataPoints[index].Y - m_WavePlotY);
                                    if (StartY < 0 || PlotSDataPoints[index].Y > m_WavePlotY + m_WavePlotHeight) StartY = 0;
                                    if (StartY > Canvas_Main.ActualHeight - 50 || PlotSDataPoints[index].Y < m_WavePlotY) StartY = Canvas_Main.ActualHeight - 50;
                                    if (!double.IsNaN(StartX) && !double.IsNaN(StartY))
                                    {
                                        System.Drawing.Rectangle rectangle = new System.Drawing.Rectangle((int)StartX, (int)StartY, 5, 5);
                                        graphics.FillRectangle(System.Drawing.Brushes.Blue, rectangle);
                                        graphics.DrawEllipse(m_PenBlue, rectangle);
                                        graphics.DrawString(string.Format("X={0};Y={1}", PlotSDataPoints[index].X.ToString("0.00"), PlotSDataPoints[index].Y.ToString("0.00")), System.Drawing.SystemFonts.DefaultFont, m_BrushXYText, new PointF((float)StartX + 10, (float)StartY + 10));
                                    }
                                }
                            }
                        }
                        //
                        if (this.PlotASDataPoints != null && this.PlotASDataPoints.Count > 0)
                        {
                            if (X >= this.PlotASDataPoints[0].X && X <= this.PlotASDataPoints[this.PlotASDataPoints.Count - 1].X)
                            {
                                //int index = this.PlotASDataX.IndexOf((int)Math.Round(X, 0));
                                var minDistance = this.PlotASDataPoints.Min(x => Math.Abs(x.X - X));
                                var closest = this.PlotASDataPoints.First(x => Math.Abs(x.X - X) == minDistance);
                                int index = this.PlotASDataPoints.IndexOf(closest);
                                if (index >= 0)
                                {
                                    double StartX = m_StartDrawLineX + (Canvas_Main.ActualWidth - m_StartDrawLineX) / m_WavePlotWidth * (PlotASDataPoints[index].X - m_WavePlotX);
                                    if (StartX < m_StartDrawLineX || PlotASDataPoints[index].X < m_WavePlotX) StartX = m_StartDrawLineX;
                                    if (StartX > Canvas_Main.ActualWidth || PlotASDataPoints[index].X > m_WavePlotX + m_WavePlotWidth) StartX = Canvas_Main.ActualWidth;
                                    double StartY = Canvas_Main.ActualHeight - 50 - (Canvas_Main.ActualHeight - 50.0) / m_WavePlotHeight * (PlotASDataPoints[index].Y - m_WavePlotY);
                                    if (StartY < 0 || PlotASDataPoints[index].Y > m_WavePlotY + m_WavePlotHeight) StartY = 0;
                                    if (StartY > Canvas_Main.ActualHeight - 50 || PlotASDataPoints[index].Y < m_WavePlotY) StartY = Canvas_Main.ActualHeight - 50;
                                    if (!double.IsNaN(StartX) && !double.IsNaN(StartY))
                                    {
                                        System.Drawing.Rectangle rectangle = new System.Drawing.Rectangle((int)StartX, (int)StartY, 5, 5);
                                        graphics.FillRectangle(System.Drawing.Brushes.Blue, rectangle);
                                        graphics.DrawEllipse(m_PenBlue, rectangle);
                                        graphics.DrawString(string.Format("X={0};Y={1}", PlotASDataPoints[index].X.ToString("0.00"), PlotASDataPoints[index].Y.ToString("0.00")), System.Drawing.SystemFonts.DefaultFont, m_BrushXYText, new PointF((float)StartX + 10, (float)StartY + 10));
                                    }
                                }
                            }
                        }
                        //
                        if (this.PointCollections != null && this.PointCollections.Count <= 10)
                        {
                            foreach (PointCollection point in this.PointCollections)
                            {
                                //if (X >= point[0].X && X <= point[point.Count - 1].X)
                                {
                                    //int index = this.PlotASDataX.IndexOf((int)Math.Round(X, 0));
                                    var minDistance = point.Min(x => Math.Abs(x.X - X));
                                    var closest = point.First(x => Math.Abs(x.X - X) == minDistance);
                                    int index = point.IndexOf(closest);
                                    if (index >= 0)
                                    {
                                        double StartX = m_StartDrawLineX + (Canvas_Main.ActualWidth - m_StartDrawLineX) / m_WavePlotWidth * (point[index].X - m_WavePlotX);
                                        if (StartX < m_StartDrawLineX || point[index].X < m_WavePlotX) StartX = m_StartDrawLineX;
                                        if (StartX > Canvas_Main.ActualWidth || point[index].X > m_WavePlotX + m_WavePlotWidth) StartX = Canvas_Main.ActualWidth;
                                        double StartY = Canvas_Main.ActualHeight - 50 - (Canvas_Main.ActualHeight - 50.0) / m_WavePlotHeight * (point[index].Y - m_WavePlotY);
                                        if (StartY < 0 || point[index].Y > m_WavePlotY + m_WavePlotHeight) StartY = 0;
                                        if (StartY > Canvas_Main.ActualHeight - 50 || point[index].Y < m_WavePlotY) StartY = Canvas_Main.ActualHeight - 50;
                                        if (!double.IsNaN(StartX) && !double.IsNaN(StartY))
                                        {
                                            System.Drawing.Rectangle rectangle = new System.Drawing.Rectangle((int)StartX, (int)StartY, 5, 5);
                                            graphics.FillRectangle(System.Drawing.Brushes.Blue, rectangle);
                                            graphics.DrawEllipse(m_PenBlue, rectangle);
                                            if (IsHorizontalDateTimeAxis)
                                            {
                                                graphics.DrawString(string.Format("X={0};Y={1}", DateTime.FromOADate(point[index].X).ToString("yyyy/MM/dd HH:mm:ss:fff"), point[index].Y.ToString("0.00")), new Font("Times New Roman", 15.0F), m_BrushXYText, new PointF((float)StartX + 10, (float)StartY + 10));
                                            }
                                            else
                                            {
                                                graphics.DrawString(string.Format("X={0};Y={1}", point[index].X.ToString("0.00"), point[index].Y.ToString("0.00")),     new Font("Times New Roman", 15.0F),   m_BrushXYText, new PointF((float)StartX + 10, (float)StartY + 10));
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                ImageBrush_BK.ImageSource = BitmapToBitmapImage(bitmap);
            }
            this.InvalidateVisual();
        }
        #endregion Private Draw

        #region Private
        private void Canvas_Main_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            GraphicDraw();
        }

        private void Canvas_Main_MouseWheel(object sender, MouseWheelEventArgs e)
        {
            double factor = e.Delta < 0 ? 1.2 : 1 / 1.2;
            if (IsVerticalNavigationEnabled)
            {
                double Min = m_WavePlotY;
                double Max = m_WavePlotY + m_WavePlotHeight;
                double delta = (Max - Min) / 2;
                double center = (Max + Min) / 2;
                Min = center - delta * factor;
                Max = center + delta * factor;
                m_WavePlotY = Min;
                m_WavePlotHeight = Max - Min;
            }
            if (IsHorizontalNavigationEnabled)
            {
                double Min = m_WavePlotX;
                double Max = m_WavePlotX + m_WavePlotWidth;
                double delta = (Max - Min) / 2;
                double center = (Max + Min) / 2;
                Min = center - delta * factor;
                Max = center + delta * factor;
                m_WavePlotX = Min;
                m_WavePlotWidth = Max - Min;
            }
            GraphicDraw();
        }

        private void Canvas_Main_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            this.Cursor = Cursors.Hand;
            if (e.ClickCount == 2)
            {
                FitControl();
            }
            else
            {
                m_StartPoint = Mouse.GetPosition(e.Source as FrameworkElement);
                if (e.LeftButton == MouseButtonState.Pressed)
                {
                    m_StartMouseMove = true;
                }//开始绘制矩形
            }
        }

        private void Canvas_Main_MouseMove(object sender, MouseEventArgs e)
        {
            m_EndPoint = Mouse.GetPosition(e.Source as FrameworkElement);
            m_CurrentPoint = Mouse.GetPosition(e.Source as FrameworkElement);
            if ((Keyboard.Modifiers == ModifierKeys.Control || m_MouseMove) && m_StartMouseMove)
            {
                m_MouseMove = true;
                GraphicDraw();
            }//移动矩形位置
            else if (m_StartMouseMove)
            {
                m_WavePlotX = m_WavePlotX - (m_EndPoint.X - m_StartPoint.X) / (this.ActualWidth - 50) * m_WavePlotWidth;
                m_WavePlotY = m_WavePlotY + (m_EndPoint.Y - m_StartPoint.Y) / (this.ActualHeight - 50) * m_WavePlotHeight;
                m_StartPoint = m_EndPoint;
                GraphicDraw();
            }
            else if (this.PointCollections == null || this.PointCollections.Count <= 10)
            {
                GraphicDraw();
            }
        }

        private void Canvas_Main_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
        {
            this.Cursor = Cursors.Arrow;
            if (m_StartMouseMove && m_MouseMove && e.LeftButton == MouseButtonState.Released)
            {
                m_StartMouseMove = false;
                m_MouseMove = false;
                if (m_StartPoint.X == m_EndPoint.X || m_StartPoint.Y == m_EndPoint.Y) return;
                double x = m_StartPoint.X > m_EndPoint.X ? m_EndPoint.X : m_StartPoint.X;
                double y = m_StartPoint.Y < m_EndPoint.Y ? m_EndPoint.Y : m_StartPoint.Y;
                double width = Math.Abs(m_EndPoint.X - m_StartPoint.X);
                double height = Math.Abs(m_EndPoint.Y - m_StartPoint.Y);
                //设置坐标轴起始位置
                this.m_WavePlotX = this.m_WavePlotX + (x - m_StartDrawLineX) / ((this.ActualWidth - m_StartDrawLineX) / this.m_WavePlotWidth);
                this.m_WavePlotY = this.m_WavePlotY + (this.ActualHeight - 50 - y) / ((this.ActualHeight - 50) / this.m_WavePlotHeight);
                this.m_WavePlotWidth = this.m_WavePlotWidth * (width / (this.ActualWidth - m_StartDrawLineX));
                this.m_WavePlotHeight = this.m_WavePlotHeight * (height / (this.ActualHeight - 50));
                GraphicDraw();
            }//结束绘制矩形
            m_StartMouseMove = false;
            m_MouseMove = false;
        }

        private void Canvas_Main_MouseEnter(object sender, MouseEventArgs e)
        {
            if (this.PointCollections == null || this.PointCollections.Count <= 10)
            {
                m_MouseEnter = true;
            } 
        }

        private void Canvas_Main_MouseLeave(object sender, MouseEventArgs e)
        {
            if (this.PointCollections == null || this.PointCollections.Count <= 10) m_MouseEnter = false;
            GraphicDraw();
        }

        private void Canvas_Main_MouseRightButtonUp(object sender, MouseButtonEventArgs e)
        {
            m_WavePlotX = WavePlotOriginX;
            m_WavePlotY = WavePlotOriginY;
            m_WavePlotWidth = WavePlotOriginWidth;
            m_WavePlotHeight = WavePlotOriginHeight;
            ResetControl();
        }

        /// <summary>
        /// 获取坐标间隔
        /// </summary>
        /// <returns></returns>
        private void GetIntervalValue(double min, double max, out int IntervalValue, out int expCount)
        {
            IntervalValue = 0;
            expCount = 0;
            double ActualValue = Math.Abs(max - min);
            if (ActualValue < 1)
            {
                while (ActualValue < 1)
                {
                    ActualValue *= 10;
                    expCount -= 1;
                }
            }
            else
            {
                while (ActualValue >= 10)
                {
                    ActualValue /= 10;
                    expCount += 1;
                }
            }
            if (ActualValue <= 1.2)
            {
                IntervalValue = 1;
                expCount -= 1;
            }
            else if (ActualValue <= 3)
            {
                IntervalValue = 2;
                expCount -= 1;
            }
            else if (ActualValue <= 5)
            {
                IntervalValue = 5;
                expCount -= 1;
            }
            else
            {
                IntervalValue = 1;
            }
        }

        /// <summary>
        /// 字符串值中包含E等科学计数法
        /// </summary>
        /// <param name="strData"></param>
        /// <returns></returns>
        private Decimal ChangeDataToD(string strData)
        {
            Decimal dData = 0.0M;
            if (strData.ToString().Contains("E"))
            {
                dData = Decimal.Parse(strData, System.Globalization.NumberStyles.Float);
            }
            else
            {
                dData = Decimal.Parse(strData);
            }
            return dData;
        }

        /// <summary>
        /// Bitmap --> BitmapImage
        /// </summary>
        /// <param name="bitmap"></param>
        /// <returns></returns>
        private BitmapImage BitmapToBitmapImage(Bitmap bitmap)
        {
            using (MemoryStream stream = new MemoryStream())
            {
                bitmap.Save(stream, ImageFormat.Png); // 坑点：格式选Bmp时，不带透明度

                stream.Position = 0;
                BitmapImage result = new BitmapImage();
                result.BeginInit();
                // According to MSDN, "The default OnDemand cache option retains access to the stream until the image is needed."
                // Force the bitmap to load right now so we can dispose the stream.
                result.CacheOption = BitmapCacheOption.OnLoad;
                result.StreamSource = stream;
                result.EndInit();
                result.Freeze();
                return result;
            }
        }
        #endregion Private
    }
}