c# 属性改变

using System.ComponentModel;
using System.Threading;
using System.Windows.Forms;
using app.Viewer.ViewModels;
using Bedrock.Winform;

namespace app.Viewer.Views
{
    /// <summary>
    /// 帧频显示控件类
    /// </summary>
    public partial class FrqView : PartialView
    {
        #region "Field"
        private FrqViewModel _frqViewModel;
        private SynchronizationContext _context;
        #endregion

        #region "Constructor"
        public FrqView(FrqViewModel model)
        {
            _frqViewModel = model;
            DataContext = model;
            InitializeComponent();
            Dock = DockStyle.Top;

            _context = SynchronizationContext.Current;
            _frqViewModel.PropertyChanged += _frqViewModel_PropertyChanged;
        }
        #endregion

        #region "PropertyChanged"

        void _frqViewModel_PropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            switch (e.PropertyName)
            {
                case "Frq":
                    _context.Post(o =>
                    {
                        FRdata.Text = _frqViewModel.Frq.ToString("f1");
                        Refresh();
                    },null);
                    break;
            }
        }
        #endregion
    }
}

 using System.ComponentModel;
 using System.Windows.Forms;
 using app.Main.Graph;
 using app.KeyBoards.Events;

 namespace app.Measure.Actions
 {
     /// <summary>
     /// 操作接口
     /// </summary>
     public interface IToolAction : IActor, INotifyPropertyChanged
     {
         /// <summary>
         /// 鼠标事件处理
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="eventArgs">鼠标事件参数</param>
         void MouseEventHandle(object sender, MouseEventArgs eventArgs);

         /// <summary>
         /// 功能键按键事件处理
         /// </summary>
         /// <param name="eventArgs">功能键事件参数</param>
         void KeyBoardEventHandle(KeyBoardEventArgs eventArgs);
         ///// <summary>
         ///// 按键事件处理
         ///// </summary>
         ///// <param name="keyEventArgs">按键事件参数</param>
         //void KeyEventHandle(KeyEventArgs keyEventArgs);
     }
 }

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using app.Configuration.Models;
using app.Configuration.Services;
using app.Lib;
using app.Lib.Graph;
using app.Measure.Events;
using app.Measure.Models;
using app.Measure.ViewModels;
using app.Measure.Actions;
using Bedrock.Events;
using Microsoft.Practices.Unity;
using app.Main;
using app.Main.Graph;
using app.KeyBoards.Events;

namespace app.Measure.Tools
{
    //椭圆测量工具
    public class _2DEllipse : PropertyChangedBase,IToolAction
    {
        private readonly IEventAggregator _eventAggregator;
        private readonly IConfigService _configService;
        private readonly MeasureData _measureData;  //存放绘图工具的ID

        private readonly List<Point> _points;  //绘制椭圆的坐标集
        private readonly Measurement _measurement;     //该测量环境的XML配置
        private readonly Brush _plotBrush;     //绘制圆点的对象
        private readonly Pen _linePen;         //绘制曲线的对象
        private readonly int _widthOfPlot;     //圆点半径
        private ICoordinate _coordinate; //坐标系对象
        private readonly List<MeasureResultItem> _resultItems; //存放测量值的列表
        private int _resultIndex;  //测量值索引
        private double _width;      //椭圆的长半轴长
        private double _height;     //椭圆的短半轴长
        private readonly CalculationFomula _calculationFomula; // 计算公式
        private readonly MeasureToolType _measuretooltype;

        //读取工具XML的配置，初始化绘图工具
        public _2DEllipse(IUnityContainer unityContainer, IEventAggregator eventAggregator)
        {
            Logger.Log("_2DEllipse Start Initial", Level.Info);
            MeasureTool tool;
            var unityContainer1 = unityContainer;
            _eventAggregator = eventAggregator;
            _configService = unityContainer1.Resolve<IConfigService>();
            _measureData = unityContainer1.Resolve<MeasureData>();

            _resultItems = new List<MeasureResultItem>
            {
                new MeasureResultItem("LAxis", "mm", ),
                new MeasureResultItem("SAxis", "mm", ),
                new MeasureResultItem("Cir", "mm", ),
                new MeasureResultItem("Area", "mm2", )
            };
            _resultIndex = ;

            _calculationFomula = new CalculationFomula();
            _points = new List<Point>();
            if (_measureData.IsGenericTool == false)
            {
                _measurement = _configService.GetMeasurementId(_measureData.MeasurementId);
                tool = _configService.GetMeasureToolId(_measureData.ToolId);
            }
            else
            {
                _measurement = _configService.GetMeasurementId(_measureData.GenericToolItem[_measureData.GenericToolIndex].MeasurementId);
                tool = _configService.GetMeasureToolId(_measureData.GenericToolItem[_measureData.GenericToolIndex].ToolId);
            }
            _plotBrush = new SolidBrush(Common.IntToColor(tool.ColorOfPlot));
            _widthOfPlot = tool.WidthOfPlot;
            _measuretooltype = tool.MeasureToolType;
            _linePen = new Pen(Common.IntToColor(tool.ColorOfLine), tool.WidthOfLine) {DashStyle = tool.Dashstype};
            _eventAggregator.GetEvent<PubSubEvent<string>>().Subscribe(EventHandle, true);
            Logger.Log("_2DEllipse End Initial", Level.Info);
        }

        //绘图
        public void Draw(Graphics graphics, ICoordinate coordinate)
        {
            //ToolDraw.DrawFromToolData(graphics, coordinate, _MeasureData.GetToolPositionDataItem);

            if (coordinate != null)
            {
                _coordinate = coordinate;
                if (_isInViewRegion == false)
                {
                    return;
                }
            }

            if (_points.Count < )
            {
                foreach (var p in _points)
                {
                    graphics.FillEllipse(_plotBrush, new Rectangle(p.X - _widthOfPlot, p.Y - _widthOfPlot, _widthOfPlot * , _widthOfPlot * ));
                }
            }

            if (_points.Count != ) return;
            _width = 0.5 * Math.Sqrt((_points[].X - _points[].X) * (_points[].X - _points[].X) + (_points[].Y - _points[].Y) * (_points[].Y - _points[].Y));
            var p1 = new PointD((_points[].X + _points[].X) / 2.0, y: (_points[].Y + _points[].Y) / 2.0);
            _height = Math.Sqrt((p1.X - _points[].X) * (p1.X - _points[].X) + (p1.Y - _points[].Y) * (p1.Y - _points[].Y));
            if (coordinate != null)
                graphics.DrawEllipse(_linePen, (int)coordinate.ViewRegionD.Min.X, (int)coordinate.ViewRegionD.Min.Y, (int)_height * , (int)_width * );
        }

        //计算结果
        private void CaculateResult()
        {
            if (_coordinate == null)
            {
                return;
            }
            var p = new PointD((_points[].X + _points[].X) / 2.0, (_points[].Y + _points[].Y) / 2.0);
            p = _coordinate.ViewToWorld(p);
            var p1 = _coordinate.ViewToWorld(_points[]);
            var p2 = _coordinate.ViewToWorld(_points[]);
            var p3 = _coordinate.ViewToWorld(_points[]);
            _width = 0.5 * _calculationFomula.Distance(p1, p3);
            _height = _calculationFomula.Distance(p, p2);
            _resultItems[].Result = _width > _height ?  * _width :  * _height;//椭圆长轴长
            _resultItems[].Result = _width < _height ?  * _width :  * _height; //椭圆短轴长

            //椭圆周长
            _resultItems[].Result = _calculationFomula.EllipseCirculation(_resultItems[].Result, _resultItems[].Result);
            //椭圆面积
            _resultItems[].Result = _calculationFomula.EllipseArea(_resultItems[].Result, _resultItems[].Result);
        }

        /// <summary>
        /// 功能键、旋钮处理
        /// </summary>
        /// <param name="eventArgs"></param>
        public void KeyBoardEventHandle(KeyBoardEventArgs eventArgs)
        {

        }

        private MousePointEvent _mousePointEvent;
        private bool _isInViewRegion;
        private double _distance;

        //获取鼠标坐标
        private Point _mousePoint;
        private PointD _mousePointInView;
        public void MouseEventHandle(object sender, MouseEventArgs eventArgs)
        {
            _mousePoint = eventArgs.Location;
            if (_coordinate != null)
            {
                _mousePointInView = _coordinate.DisplayToView(_mousePoint);
                _isInViewRegion = _coordinate.ViewRegionD.Contains(_mousePointInView);
                _distance = _calculationFomula.Distance(_coordinate.ViewToWorld(_mousePoint),
                    _coordinate.ViewToWorld(_coordinate.CenterPointD));
            }
            _mousePointEvent = new MousePointEvent(_distance, _isInViewRegion);
            _eventAggregator.GetEvent<PubSubEvent<MousePointEvent>>().Publish(_mousePointEvent);

            if (eventArgs.Button == MouseButtons.Left && eventArgs.Clicks == )
            {
                MouseClick();
            }
        }

        //响应按键，收集坐标，commit后结果值在结果窗口中显示出来
        public void MouseClick()
        {
            if (_points.Count ==  && _measurement.AutoNext == false)
            {
                return;
            }
            if (_points.Count >= )
            {
                _points.Clear();
                _points.Add(_mousePoint);
            }
            else
            {
                _points.Add(_mousePoint);
            }
            if (_points.Count == )
            {
                //if (_measurement.AutoNext == false)
                //{
                //    return;
                //}
                CaculateResult();

                for (_resultIndex = _resultItems.Count - ; _resultIndex >= ; _resultIndex--)
                {
                    _eventAggregator.GetEvent<MeasureToolEvent>()
                        .Publish(new MeasureEventArgs(MessureEventType.MessureToolCommit,
                            _resultItems[_resultIndex].Clone()));
                }
            }
            NotifyPropertyChanged(OperateState.MeasureRepaint);
        }

        bool _isCalc;
        private void EventHandle(string e) //重绘，显示结果等事件处理
        {
            switch (e)
            {
                case EventNames.MeasureToolpaint:
                    NotifyPropertyChanged(OperateState.MeasureRepaint);
                    break;
                case EventNames.MeasureToolRepaint:
                    _points.Clear();
                    NotifyPropertyChanged(OperateState.MeasureRepaint);
                    break;
                case EventNames.MeasureToolCalcResult:
                    MeasureToolType measuretooltype = _configService.GetMeasureToolId(_measureData.ToolId).MeasureToolType;
                    if (_measurement.AutoCaculate == false && _isCalc == false && _points.Count ==  && measuretooltype == _measuretooltype)
                    {
                        _isCalc = true;
                        CaculateResult();
                        for (_resultIndex = _resultItems.Count - ; _resultIndex >= ; _resultIndex--)
                        {
                            _eventAggregator.GetEvent<MeasureToolEvent>()
                                .Publish(new MeasureEventArgs(MessureEventType.MessureToolCommit, _resultItems[_resultIndex].Clone()));
                        }
                    }
                    break;
                case EventNames.MeasureToolNextPaint:
                    if (_measurement.AutoNext == false)
                    {
                        _points.Clear();
                        _isCalc = false;
                    }
                    NotifyPropertyChanged(OperateState.MeasureRepaint);
                    break;
            }
        }
    }
}

using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using app.Configuration.Models;
using app.Configuration.Services;
using app.Lib;
using app.Lib.Graph;
using app.Measure.Events;
using app.Measure.Models;
using app.Measure.ViewModels;
using app.Measure.Actions;
using Bedrock.Events;
using Microsoft.Practices.Unity;
using System.Drawing.Drawing2D;
using app.Main;
using app.Main.Graph;
using app.KeyBoards.Events;
using app.Main.ViewModels;

namespace app.Measure.Tools
{
    //轨迹/区域测量工具
    public class _2DTrace : PropertyChangedBase,IToolAction
    {
        private readonly IEventAggregator _eventAggregator;
        private readonly IConfigService _configService;
        private readonly MeasureData _measureData;  //存放绘图工具的ID

        private List<Point> _points;  //轨迹/区域的坐标集
        private List<List<Point>>  _tempPoints;
        private readonly MeasureTool _tool;    //绘图工具的配置信息
        private readonly Measurement _measurement;     //该测量环境的XML配置
        private readonly Font _textFont;       //文本格式对象
        private readonly Brush _textBrush;     //绘制文本的对象
        private ICoordinate _coordinate; //坐标系对象
        private readonly List<MeasureResultItem> _resultItems;  //存放测量值的列表
        private readonly CalculationFomula _calculationFomula; // 计算公式
        private readonly MeasureToolType _measuretooltype;

        private readonly SystemStateModel _systemStateModel;
        private readonly string[] _promptString = { "Place the first point of the closed trace", "Trace the area boundary" };

        //读取工具XML的配置，初始化绘图工具
        public _2DTrace(IUnityContainer unityContainer, IEventAggregator eventAggregator)
        {
            Logger.Log("_2DTrace Start Initial", Level.Info);
            var unityContainer1 = unityContainer;
            _eventAggregator = eventAggregator;
            _configService = unityContainer1.Resolve<IConfigService>();
            _measureData = unityContainer1.Resolve<MeasureData>();
            _systemStateModel = unityContainer1.Resolve<SystemStateModel>();
            _coordinate = MeasureAction.GetCoordinate();

            _resultItems = new List<MeasureResultItem>
            {
                new MeasureResultItem("TCir", "mm", ),
                new MeasureResultItem("TArea", "mm2", )
            };

            _calculationFomula = new CalculationFomula();
            _points = new List<Point>();
            _tempPoints = new List<List<Point>>();
            if (_measureData.IsGenericTool == false)
            {
                _measurement = _configService.GetMeasurementId(_measureData.MeasurementId);
                _tool = _configService.GetMeasureToolId(_measureData.ToolId);
            }
            else
            {
                _measurement = _configService.GetMeasurementId(_measureData.GenericToolItem[_measureData.GenericToolIndex].MeasurementId);
                _tool = _configService.GetMeasureToolId(_measureData.GenericToolItem[_measureData.GenericToolIndex].ToolId);
            }
            _measuretooltype = _tool.MeasureToolType;
            _textFont = new Font("Consolas", 10.5F, FontStyle.Bold, GraphicsUnit.Point, );
            _textBrush = new SolidBrush(Common.IntToColor(_tool.ColorOfLine));
            _eventAggregator.GetEvent<PubSubEvent<string>>().Subscribe(EventHandle, true);

            if (_measureData.GetToolPositionDataItem == null)
            {
                var toolDataList = new List<ToolPositionDataItem>();
                _measureData.GetToolPositionDataItem = toolDataList;
            }
            if (_measureData.GetMeasureResultData == null)
            {
                var toolDataList = new List<MeasureResultData>();
                _measureData.GetMeasureResultData = toolDataList;
            }

            _pen = new Pen(Color.Green, _tool.WidthOfLine) {DashStyle = DashStyle.Dash};
            Logger.Log("_2DTrace End Initial", Level.Info);
        }

        private ToolPositionDataItem _toolPositionDataItem;
        private List<Point> _fillEllipse;
        private List<DrawCurvePoint> _drawCurve;

        private readonly Pen _pen;//旋钮旋转重绘的颜色
        private bool _isRotatebuttonRepaintFirstTime = true;//旋钮旋转重绘，该情况下是否第一次调用Draw函数

        //绘图
        public void Draw(Graphics graphics, ICoordinate coordinate)
        {
            if (coordinate != null)
            {
                _coordinate = coordinate;
            }
            else
            {
                return;
            }

            if (false == _measureData.IsRotatingButtonRePaint)
            {
                ToolDraw.DrawFromToolData(graphics, coordinate, _measureData.GetToolPositionDataItem, _currentsender);

                switch (_keynum%)
                {
                    case :
                        if (_isInViewRegion)
                        {
                            MeasureAction.Cursortype = CursorType.CursorAreaPicture;
                        }
                        break;
                    case :
                        if (_isInViewRegion == false)
                        {
                            UserControl temp = _measureData.MouseEventSender as UserControl;
                            if (null != temp)
                                Cursor.Clip = temp.RectangleToScreen(Rectangle.Round(_coordinate.DisplayRegion));
                        }
                        else
                        {
                            MeasureAction.Cursortype = CursorType.CursorPicture;
                        }
                        break;
                    default:
                        MeasureAction.Cursortype = MeasureAction.AutoNextMeasure == false ? CursorType.CursorEmptyPicture : CursorType.CursorAreaPicture;
                        break;
                }
            }
            else
            {
                if (_isInViewRegion == false)
                {
                    UserControl temp = _measureData.MouseEventSender as UserControl;
                    if (null != temp)
                        Cursor.Clip = temp.RectangleToScreen(Rectangle.Round(_coordinate.DisplayRegion));
                }
                MeasureAction.Cursortype = CursorType.CursorPicture;

                _isRotatebuttonRepaintFirstTime = _measureData.IsFirsttimeRotatePaint;

                _tempPoints.Clear();
                ToolDraw.RotateRepaintFromToolData(graphics, coordinate, _measureData.GetToolPositionDataItem,
                    _measureData.RotatingButtonSelectedPointNum, _measureData.RotatingButtonSelectedIndex, ref _tempPoints,
                    _mousePoint, _pen, _isRotatebuttonRepaintFirstTime, _isInViewRegion, _measureData.MouseEventSender);
                _measureData.IsFirsttimeRotatePaint = false;
                _points = _tempPoints[];
            }
        }

        //计算结果
        private void CaculateResult()
        {
            if (_coordinate == null)
            {
                return;
            }
            var pointds = new List<PointD>();
            pointds.Clear();
            for (var i = ; i < _points.Count - ; i++)
            {
                var p1 = _coordinate.ViewToWorld(_points[i]);
                pointds.Add(p1);
            }
            //trace的周长计算
            _resultItems[].Result = _calculationFomula.TraceCirculation(pointds);
            //trace的面积
            _resultItems[].Result = _calculationFomula.TraceArea(pointds);
        }

        /// <summary>
        /// 功能键、旋钮处理
        /// </summary>
        /// <param name="eventArgs"></param>
        public void KeyBoardEventHandle(KeyBoardEventArgs eventArgs)
        {

        }

        private MousePointEvent _mousePointEvent;
        private bool _isInViewRegion;
        private double _distance;
        private object _currentsender;

        //获取鼠标坐标
        private Point _mousePoint;
        private PointD _mousePointInView;
        public void MouseEventHandle(object sender, MouseEventArgs eventArgs)
        {
            _currentsender = sender;
            _measureData.MouseEventSender = sender;
            _mousePoint = eventArgs.Location;
            if (_coordinate != null)
            {
                _mousePointInView = _coordinate.DisplayToView(_mousePoint);
                _isInViewRegion = _coordinate.ViewRegionD.Contains(_mousePointInView);
                _distance = _calculationFomula.Distance(_coordinate.ViewToWorld(_mousePoint),
                    _coordinate.ViewToWorld(_coordinate.CenterPointD));
            }

            if (_keynum %  == )
            {
                if (_isInViewRegion)
                {
                    if (_points.Count > )
                    {
                        double angle = _calculationFomula.AngleOfPoint(_mousePoint, _points[_points.Count - ],
                            _points[_points.Count - ]);
                        double distance = _calculationFomula.Distance(_mousePoint, _points[_points.Count - ]);
                        if (distance >  && angle >= )
                        {
                            _points.Add(_mousePoint);
                            //ToolDraw.SetCursorPositon(_mousePoint, sender);
                        }
                        else if (distance >  && angle < )
                        {
                            _points.Remove(_points[_points.Count - ]);
                            //ToolDraw.SetCursorPositon(_points[_points.Count - 1], sender);
                        }
                    }
                    else
                    {
                        _points.Add(_mousePoint);
                    }

                    if (false == _measureData.IsRotatingButtonRePaint)
                    {
                        AddDataItem(_points);
                    }
                }

                NotifyPropertyChanged(OperateState.MeasureRepaint);
            }

            if (_isInViewRegion)
            {
                switch (_keynum%)
                {
                    case :
                        if (_systemStateModel.HintText != _promptString[])
                            _systemStateModel.HintText = _promptString[];
                        break;
                    case :
                        if (_systemStateModel.HintText != _promptString[])
                            _systemStateModel.HintText = _promptString[];
                        break;
                    default:
                        if (_systemStateModel.HintText != "")
                            _systemStateModel.HintText = "";
                        break;
                }
            }
            else
            {
                MeasureAction.Cursortype = CursorType.Max;
                if (_systemStateModel.HintText != "")
                    _systemStateModel.HintText = "";
            }

            _mousePointEvent = new MousePointEvent(_distance, _isInViewRegion) {MeasureResultItem = {Name = "Area"}};
            NotifyPropertyChanged(OperateState.MeasureRepaint);
            _eventAggregator.GetEvent<PubSubEvent<MousePointEvent>>().Publish(_mousePointEvent);

            if (eventArgs.Button == MouseButtons.Left && eventArgs.Clicks ==  && _isInViewRegion)
            {
                if (_measureData.IsRotatingButtonRePaint)
                {
                    Cursor.Clip = Rectangle.Empty;
                    CaculateResult();

                    var temp = new MeasureResultData {Name = _measuretooltype.ToString()};
                    foreach (var t in _resultItems)
                    {
                        temp.MeasureResultItem.Add(t.Clone() as MeasureResultItem);
                    }
                    _measureData.GetMeasureResultData.Add(temp);

                    _eventAggregator.GetEvent<MeasureToolEvent>()
                        .Publish(new MeasureEventArgs(MessureEventType.MessureToolCommit, _resultItems[].Clone()));
                }
                else
                {
                    MouseClick();
                }
                _measureData.IsRotatingButtonRePaint = false;
            }
        }

        private void AddDataItem(List<Point> points)
        {
            if (_fillEllipse.Count > )
            {
                _fillEllipse.Remove(_fillEllipse[]);
            }
            _fillEllipse.Add(points[]);

            DrawCurvePoint point1 = new DrawCurvePoint();
            foreach (Point point in points)
            {
                point1.CurvePoint.Add(point);
            }

            if (_drawCurve.Count > )
            {
                _drawCurve.Remove(_drawCurve[]);
            }
            _drawCurve.Add(point1);

            if (_measureData.GetToolPositionDataItem.Count > _measureData.MaxMeasureTimes)
            {
                _measureData.GetToolPositionDataItem.Remove(_measureData.GetToolPositionDataItem[]);
            }
        }

        //响应按键，收集坐标，commit后结果值在结果窗口中显示出来
        int _keynum; //记录按键次数
        public void MouseClick()
        {
            //if (keynum != 0 && keynum % 3 == 2 && _measurement.AutoNext == false)
            if (_keynum !=  && _keynum %  ==  && MeasureAction.AutoNextMeasure == false)
            {
                return;
            }
            _keynum++;
            switch (_keynum % )
            {
                case :
                    _points.Clear();
                    _fillEllipse = new List<Point>();
                    _drawCurve = new List<DrawCurvePoint>();
                    _toolPositionDataItem = new ToolPositionDataItem(_drawCurve, _fillEllipse)
                    {
                        ColorOfLine = _tool.ColorOfLine,
                        ColorOfPlot = _tool.ColorOfPlot,
                        WidthOfLine = _tool.WidthOfLine,
                        WidthOfPlot = _tool.WidthOfPlot,
                        Dashstype = _tool.Dashstype,
                        TextBrush = _textBrush,
                        TextFont = _textFont,
                        MeasureToolType = _measuretooltype,
                        ModeType = _measureData.ModelType,
                        PointNum = ,
                        ItemNum = _resultItems.Count,
                        ViewName = (_measureData.MouseEventSender as Control) == null ? "" : ((Control) _measureData.MouseEventSender).Name
                    };
                    _measureData.GetToolPositionDataItem.Add(_toolPositionDataItem);
                    if (_isInViewRegion)
                    {
                        _points.Add(_mousePoint);

                        if (false == _measureData.IsRotatingButtonRePaint)
                        {
                            AddDataItem(_points);
                        }
                    }
                    break;
                case :
                    if (_drawCurve.Count != )
                        _drawCurve[].IsFinished = true;

                    if (_measurement.AutoCaculate == false)
                    {
                        return;
                    }
                    CaculateResult();

                    var temp = new MeasureResultData {Name = _measuretooltype.ToString()};
                    foreach (var t in _resultItems)
                    {
                        temp.MeasureResultItem.Add(t.Clone() as MeasureResultItem);
                    }
                    _measureData.GetMeasureResultData.Add(temp);

                    _eventAggregator.GetEvent<MeasureToolEvent>()
                        .Publish(new MeasureEventArgs(MessureEventType.MessureToolCommit, _resultItems[].Clone()));

                    _toolPositionDataItem.IsFinished = true;
                    break;
            }
            NotifyPropertyChanged(OperateState.MeasureRepaint);
        }

        bool _isCalc;
        private void EventHandle(string e) //重绘，显示结果等事件处理
        {
            switch (e)
            {
                case EventNames.MeasureToolpaint:
                    NotifyPropertyChanged(OperateState.MeasureRepaint);
                    break;
                case EventNames.MeasureToolRepaint:
                    _points.Clear();
                    _keynum = ;
                    NotifyPropertyChanged(OperateState.MeasureRepaint);
                    break;
                case EventNames.MeasureToolCalcResult:
                    var measuretooltype = _configService.GetMeasureToolId(_measureData.ToolId).MeasureToolType;
                    if (_measurement.AutoCaculate == false && _isCalc == false && _keynum %  ==  && measuretooltype == _measuretooltype)
                    {
                        _isCalc = true;
                        CaculateResult();
                        for (var i = _resultItems.Count - ; i >= ; i--)
                        {
                            _eventAggregator.GetEvent<MeasureToolEvent>()
                                .Publish(new MeasureEventArgs(MessureEventType.MessureToolCommit, _resultItems[i].Clone()));
                        }
                    }
                    break;
                case EventNames.MeasureToolNextPaint:
                    if (_measurement.AutoNext == false)
                    {
                        _keynum = ;
                        _isCalc = false;
                    }
                    NotifyPropertyChanged(OperateState.MeasureRepaint);
                    break;
            }
        }
    }
}