using SmartCoalApplication.Base.Enum;
using SmartCoalApplication.Core;
using SmartCoalApplication.Measure;
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Imaging;
using System.Reflection;
using System.Threading;
using System.Windows.Forms;

namespace SmartCoalApplication
{
    /// <summary>
    /// 抽出来在各种弹窗里面使用
    /// </summary>
    internal class DocumentWorkspaceWindow : DocumentView
    {
        private ZoomBasis zoomBasis;
        private ZoomBasis savedZb;
        private ScaleFactor savedSf;
        public TreeView oldDrawTreeView;
        private AppWorkspace appWorkspace1;

        protected override void OnSizeChanged(EventArgs e)
        {
            PerformLayout();
            base.OnSizeChanged(e);
        }

        protected override void OnLayout(LayoutEventArgs e)
        {
            if (this.zoomBasis == ZoomBasis.FitToWindow)
            {
                ZoomToWindow();

                // This bizarre ordering of setting PanelAutoScroll prevents some very weird layout/scroll-without-scrollbars stuff.
                PanelAutoScroll = true;
                PanelAutoScroll = false;
            }

            base.OnLayout(e);
        }

        protected override void OnResize(EventArgs e)
        {
            if (this.zoomBasis == ZoomBasis.FitToWindow)
            {
                PerformLayout();
            }

            base.OnResize(e);
        }

        public DocumentWorkspaceWindow(AppWorkspace appWorkspace, int type = 2)
        {
            this.AppWorkspaceTop = appWorkspace;

            this.appWorkspace1 = appWorkspace;

            this.InitToolsAndManager();

            this.RulersEnabled = false;

            this.rightDown = false;

            InitializeComponent();

            this.zoomBasis = ZoomBasis.FitToWindow;

            InitializeBottomEvent();

            if (type == 1) 
            {
                this.ShowContextMenuStrip1();
                this.panel.MouseDown += new MouseEventHandler(this.ShowContextMenuStrip2);
            }
        }

        private void ShowContextMenuStrip2(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
                this.ShowContextMenuStrip1();
        }

        public override void ToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            //using (MeasureSettingDialog af = new MeasureSettingDialog(this.appWorkspace1))
            //{
            //    af.StartPosition = FormStartPosition.CenterScreen;
            //    af.ShowDialog();
            //}
            for (int i = 0; i < this.GraphicsList.Count; i++)
            {
                if (GraphicsList[i].Selected)
                {
                    MeasurementPropertiesDialog measurementPropertiesDialog = new MeasurementPropertiesDialog(this.appWorkspace1, this.GraphicsList[i], this);
                    measurementPropertiesDialog.StartPosition = FormStartPosition.CenterScreen;
                    measurementPropertiesDialog.ShowDialog();
                }
            }
        }
        public override void ToolStripMenuItem2_Click(object sender, EventArgs e)
        {
            using (MeasureAreaDialog af = new MeasureAreaDialog(this.appWorkspace1, this))
            {
                af.StartPosition = FormStartPosition.CenterScreen;
                af.ShowDialog();
            }
        }

        public DocumentWorkspaceWindow()
        {
            this.RulersEnabled = false;

            this.rightDown = false;

            InitializeComponent();

            this.zoomBasis = ZoomBasis.FitToWindow;
            
            InitializeBottomEvent();
        }

        protected override void OnUnitsChanged()
        {
            base.OnUnitsChanged();
        }

        private void InitializeComponent()
        {
            
        }

        protected override void Dispose(bool disposing)
        {
            base.Dispose(disposing);
        }

        public override void ZoomIn()
        {
            this.ZoomBasis = ZoomBasis.ScaleFactor;
            base.ZoomIn();
        }

        public override void ZoomIn(double factor)
        {
            this.ZoomBasis = ZoomBasis.ScaleFactor;
            base.ZoomIn(factor);
        }

        public override void ZoomOut()
        {
            this.ZoomBasis = ZoomBasis.ScaleFactor;
            base.ZoomOut();
        }

        public override void ZoomOut(double factor)
        {
            this.ZoomBasis = ZoomBasis.ScaleFactor;
            base.ZoomOut(factor);
        }

        public event EventHandler ZoomBasisChanging;
        protected virtual void OnZoomBasisChanging()
        {
            if (ZoomBasisChanging != null)
            {
                ZoomBasisChanging(this, EventArgs.Empty);
            }
        }

        public event EventHandler ZoomBasisChanged;
        protected virtual void OnZoomBasisChanged()
        {
            if (ZoomBasisChanged != null)
            {
                ZoomBasisChanged(this, EventArgs.Empty);
            }
        }

        public ZoomBasis ZoomBasis
        {
            get
            {
                return this.zoomBasis;
            }

            set
            {
                if (this.zoomBasis != value)
                {
                    OnZoomBasisChanging();
                    this.zoomBasis = value;

                    switch (this.zoomBasis)
                    {
                        case ZoomBasis.FitToWindow:
                            ZoomToWindow();

                            // Enable PanelAutoScroll only long enough to recenter the view
                            PanelAutoScroll = true;
                            PanelAutoScroll = false;

                            // this would be unset by the scalefactor changes in ZoomToWindow
                            this.zoomBasis = ZoomBasis.FitToWindow;
                            break;

                        case ZoomBasis.ScaleFactor:
                            PanelAutoScroll = true;
                            break;

                        default:
                            throw new InvalidEnumArgumentException();
                    }

                    OnZoomBasisChanged();
                }
            }
        }

        protected override void HandleMouseWheel(Control sender, MouseEventArgs e)
        {
            //1判断滚动条是否显示
            //2判断鼠标位置是否在滚动条上
            Rectangle rectangle = this.panel.ClientRectangle;
            rectangle.X += rectangle.Width;
            rectangle.Width = 25;


            if (this.panel.VerticalScroll.Visible && rectangle.Contains(e.Location))
            {
                base.HandleMouseWheel(sender, e);
            }
            else
            {
                double mouseDelta = (double)e.Delta / 120.0f;
                Rectangle visibleDocBoundsStart = this.VisibleDocumentBounds;
                System.Drawing.Point mouseDocPt = this.MouseToDocument(sender, new System.Drawing.Point(e.X, e.Y));
                RectangleF visibleDocDocRect1 = this.VisibleDocumentRectangleF;

                PointF mouseNPt = new PointF(
                    (mouseDocPt.X - visibleDocDocRect1.X) / visibleDocDocRect1.Width,
                    (mouseDocPt.Y - visibleDocDocRect1.Y) / visibleDocDocRect1.Height);

                Rectangle rc = this.PanelClientRectangle;
                int width = this.SurfaceScrollableWidth;
                int height = this.SurfaceScrollableHeight;

                //获取鼠标在图像中的坐标定位
                double originX = 0.5;
                double originY = 0.5;
                double ptxInDoc = mouseDocPt.X * this.ScaleRatio;
                double ptyInDoc = mouseDocPt.Y * this.ScaleRatio;
                if (rc.Width < width)
                {
                    originX = (ptxInDoc + this.PanelScrollPosition.X - 0.0) / width;
                }
                if (rc.Height < height)
                {
                    originY = (ptyInDoc + this.PanelScrollPosition.Y - 0.0) / height;
                }

                const double factor = 1.12;
                double mouseFactor = Math.Pow(factor, Math.Abs(mouseDelta));

                if (e.Delta > 0)
                {
                    this.ZoomIn(mouseFactor);
                }
                else if (e.Delta < 0)
                {
                    this.ZoomOut(mouseFactor);
                }

                RectangleF visibleDocDocRect2 = this.VisibleDocumentRectangleF;

                PointF scrollPt2 = new PointF(
                    mouseDocPt.X - visibleDocDocRect2.Width * mouseNPt.X,
                    mouseDocPt.Y - visibleDocDocRect2.Height * mouseNPt.Y);

                this.DocumentScrollPositionF = scrollPt2;

                int width2 = this.SurfaceScrollableWidth;
                int height2 = this.SurfaceScrollableHeight;

                if ((rc.Width < width2 || rc.Height < height2) && (rc.Width < width || rc.Height < height))
                {
                    //根据鼠标在图像中的坐标重新定位放大后的图像
                    this.PanelScrollPosition = new System.Drawing.Point(
                        (int)(width2 * originX - ptxInDoc + 0),
                        (int)(height2 * originY - ptyInDoc + 0));
                }
                else if (rc.Width < width2 || rc.Height < height2)
                {
                    this.PanelScrollPosition = new System.Drawing.Point((int)(width2 - rc.Width) / 2 + 0, (int)(height2 - rc.Height) / 2 + 0);
                }
                else
                {
                    this.PanelScrollPosition = new System.Drawing.Point((int)(width2 - rc.Width) / 2 + 0, (int)(height2 - rc.Height) / 2 + 0);
                }

                Rectangle visibleDocBoundsEnd = this.VisibleDocumentBounds;

                if (visibleDocBoundsEnd != visibleDocBoundsStart)
                {
                    // Make sure the screen updates, otherwise it can get a little funky looking
                    this.Update();
                }
                /*double mouseDelta = (double)e.Delta / 120.0f;
                Rectangle visibleDocBoundsStart = this.VisibleDocumentBounds;
                Point mouseDocPt = this.MouseToDocument(sender, new Point(e.X, e.Y));
                RectangleF visibleDocDocRect1 = this.VisibleDocumentRectangleF;

                PointF mouseNPt = new PointF(
                    (mouseDocPt.X - visibleDocDocRect1.X) / visibleDocDocRect1.Width,
                    (mouseDocPt.Y - visibleDocDocRect1.Y) / visibleDocDocRect1.Height);

                const double factor = 1.12;
                double mouseFactor = Math.Pow(factor, Math.Abs(mouseDelta));

                if (e.Delta > 0)
                {
                    this.ZoomIn(mouseFactor);
                }
                else if (e.Delta < 0)
                {
                    this.ZoomOut(mouseFactor);
                }

                RectangleF visibleDocDocRect2 = this.VisibleDocumentRectangleF;

                PointF scrollPt2 = new PointF(
                    mouseDocPt.X - visibleDocDocRect2.Width * mouseNPt.X,
                    mouseDocPt.Y - visibleDocDocRect2.Height * mouseNPt.Y);

                this.DocumentScrollPositionF = scrollPt2;

                Rectangle visibleDocBoundsEnd = this.VisibleDocumentBounds;

                if (visibleDocBoundsEnd != visibleDocBoundsStart)
                {
                    // Make sure the screen updates, otherwise it can get a little funky looking
                    this.Update();
                }*/
            }
        }

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
        }

        public event EventHandler ActiveLayerChanged;
        protected void OnLayerChanged()
        {
            this.Focus();

            if (ActiveLayerChanged != null)
            {
                ActiveLayerChanged(this, EventArgs.Empty);
            }
        }

        /// <summary>
        /// 初始化底部按钮的各种事件
        /// </summary>
        private void InitializeBottomEvent()
        {
            /*//缩小按钮
            this.PanelBottom.zoomOutButton.Click += new EventHandler(ZoomOutButton_Click);
            //放大按钮
            this.PanelBottom.zoomInButton.Click += new EventHandler(zoomInButton_Click);*/
        }

        private void ZoomOutButton_Click(object sender, EventArgs e)
        {
            this.ZoomOut();
        }

        private void zoomInButton_Click(object sender, EventArgs e)
        {
            this.ZoomIn();
        }


        public event EventHandler ToolChanging;
        protected void OnToolChanging()
        {
            if (ToolChanging != null)
            {
                ToolChanging(this, EventArgs.Empty);
            }
        }

        public event EventHandler ToolChanged;
        protected void OnToolChanged()
        {
            if (ToolChanged != null)
            {
                ToolChanged(this, EventArgs.Empty);
            }
        }

        /// <summary>
        /// Updates any pertinent EXIF tags, such as "Creation Software", to be
        /// relevant or up-to-date.
        /// </summary>
        /// <param name="document"></param>
        private void UpdateExifTags(Document document)
        {
            //PropertyItem pi = Exif.CreateAscii(ExifTagID.Software, PdnInfo.GetProductName(false));
            //document.Metadata.ReplaceExifValues(ExifTagID.Software, new PropertyItem[1] { pi });
        }

        
        protected override void OnDocumentChanging(Document newDocument)
        {
            base.OnDocumentChanging(newDocument);

            this.savedZb = this.ZoomBasis;
            this.savedSf = ScaleFactor;

            if (newDocument != null)
            {
                UpdateExifTags(newDocument);
            }
        }

        protected override void OnDocumentChanged()
        {
            bool oldDirty = this.Document.Dirty;
            this.Document.Invalidate();
            this.Document.Dirty = oldDirty;

            this.ZoomBasis = this.savedZb;
            if (this.savedZb == ZoomBasis.ScaleFactor)
            {
                ScaleFactor = this.savedSf;
            }

            AutoScrollPosition = new Point(0, 0);

            base.OnDocumentChanged();
        }

        //private sealed class OurProgressEvents : IFileTransferProgressEvents
        //{
        //    private TransferProgressDialog progressDialog;
        //    private ICancelable cancelSink;
        //    private int itemCount = 0;
        //    private int itemOrdinal = 0;
        //    private string itemName = string.Empty;
        //    private long totalWork;
        //    private long totalProgress;
        //    private const int maxPBValue = 200; // granularity of progress bar. 100 means 1%, 200 means 0.5%, etc.
        //    private bool cancelRequested = false;

        //    private ManualResetEvent operationEnded = new ManualResetEvent(false);

        //    public OurProgressEvents()
        //    {
        //    }

        //    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Maintainability", "CA1500:VariableNamesShouldNotMatchFieldNames", MessageId = "cancelSink")]
        //    public void BeginOperation(IWin32Window owner, EventHandler callWhenUIShown, ICancelable cancelSink)
        //    {
        //        if (this.progressDialog != null)
        //        {
        //            throw new InvalidOperationException("Operation already in progress");
        //        }

        //        this.progressDialog = new TransferProgressDialog();
        //        this.progressDialog.Text = PdnResources.GetString("DocumentWorkspace.ShowFileDialog.TransferProgress.Title");
        //        this.progressDialog.Icon = Utility.ImageToIcon(PdnResources.GetImageResource("Icons.MenuFileOpenIcon.png").Reference);
        //        this.progressDialog.Title = PdnResources.GetString("DocumentWorkspace.ShowFileDialog.ItemText.Initializing");
        //        this.progressDialog.ProgressBar.Style = ProgressBarStyle.Marquee;
        //        this.progressDialog.ProgressBar.Maximum = maxPBValue;

        //        this.progressDialog.CancelClicked +=
        //            delegate (object sender, EventArgs e)
        //            {
        //                this.cancelRequested = true;
        //                this.cancelSink.RequestCancel();
        //                UpdateUI();
        //            };

        //        EventHandler progressDialog_Shown =
        //            delegate (object sender, EventArgs e)
        //            {
        //                callWhenUIShown(this, EventArgs.Empty);
        //            };

        //        this.cancelSink = cancelSink;
        //        this.itemOrdinal = 0;
        //        this.cancelRequested = false;
        //        this.itemName = string.Empty;
        //        this.itemCount = 0;
        //        this.itemOrdinal = 0;
        //        this.totalProgress = 0;
        //        this.totalWork = 0;

        //        this.progressDialog.Shown += progressDialog_Shown;
        //        this.progressDialog.ShowDialog(owner);
        //        this.progressDialog.Shown -= progressDialog_Shown;

        //        this.progressDialog.Dispose();
        //        this.progressDialog = null;
        //        this.cancelSink = null;
        //    }

        //    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Maintainability", "CA1500:VariableNamesShouldNotMatchFieldNames", MessageId = "itemCount")]
        //    public void SetItemCount(int itemCount)
        //    {
        //        if (this.progressDialog.InvokeRequired)
        //        {
        //            this.progressDialog.BeginInvoke(new Procedure<int>(SetItemCount), new object[] { itemCount });
        //        }
        //        else
        //        {
        //            this.itemCount = itemCount;
        //            UpdateUI();
        //        }
        //    }

        //    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Maintainability", "CA1500:VariableNamesShouldNotMatchFieldNames", MessageId = "itemOrdinal")]
        //    public void SetItemOrdinal(int itemOrdinal)
        //    {
        //        if (this.progressDialog.InvokeRequired)
        //        {
        //            this.progressDialog.BeginInvoke(new Procedure<int>(SetItemOrdinal), new object[] { itemOrdinal });
        //        }
        //        else
        //        {
        //            this.itemOrdinal = itemOrdinal;
        //            this.totalWork = 0;
        //            this.totalProgress = 0;
        //            UpdateUI();
        //        }
        //    }

        //    public void SetItemInfo(string itemInfo)
        //    {
        //        if (this.progressDialog.InvokeRequired)
        //        {
        //            this.progressDialog.BeginInvoke(new Procedure<string>(SetItemInfo), new object[] { itemInfo });
        //        }
        //        else
        //        {
        //            this.itemName = itemInfo;
        //            UpdateUI();
        //        }
        //    }

        //    public void BeginItem()
        //    {
        //        if (this.progressDialog.InvokeRequired)
        //        {
        //            this.progressDialog.BeginInvoke(new Procedure(BeginItem), null);
        //        }
        //        else
        //        {
        //            this.progressDialog.ProgressBar.Style = ProgressBarStyle.Continuous;
        //        }
        //    }

        //    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Maintainability", "CA1500:VariableNamesShouldNotMatchFieldNames", MessageId = "totalWork")]
        //    public void SetItemWorkTotal(long totalWork)
        //    {
        //        if (this.progressDialog.InvokeRequired)
        //        {
        //            this.progressDialog.BeginInvoke(new Procedure<long>(SetItemWorkTotal), new object[] { totalWork });
        //        }
        //        else
        //        {
        //            this.totalWork = totalWork;
        //            UpdateUI();
        //        }
        //    }

        //    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Maintainability", "CA1500:VariableNamesShouldNotMatchFieldNames", MessageId = "totalProgress")]
        //    public void SetItemWorkProgress(long totalProgress)
        //    {
        //        if (this.progressDialog.InvokeRequired)
        //        {
        //            this.progressDialog.BeginInvoke(new Procedure<long>(SetItemWorkProgress), new object[] { totalProgress });
        //        }
        //        else
        //        {
        //            this.totalProgress = totalProgress;
        //            UpdateUI();
        //        }
        //    }

        //    public void EndItem(WorkItemResult result)
        //    {
        //        if (this.progressDialog.InvokeRequired)
        //        {
        //            this.progressDialog.BeginInvoke(new Procedure<WorkItemResult>(EndItem), new object[] { result });
        //        }
        //        else
        //        {
        //        }
        //    }

        //    public void EndOperation(OperationResult result)
        //    {
        //        if (this.progressDialog.InvokeRequired)
        //        {
        //            this.progressDialog.BeginInvoke(new Procedure<OperationResult>(EndOperation), new object[] { result });
        //        }
        //        else
        //        {
        //            this.progressDialog.Close();
        //        }
        //    }

        //    public WorkItemFailureAction ReportItemFailure(Exception ex)
        //    {
        //        if (this.progressDialog.InvokeRequired)
        //        {
        //            object result = this.progressDialog.Invoke(
        //                new Function<WorkItemFailureAction, Exception>(ReportItemFailure),
        //                new object[] { ex });

        //            return (WorkItemFailureAction)result;
        //        }
        //        else
        //        {
        //            WorkItemFailureAction result;
        //            result = ShowFileTransferFailedDialog(ex);
        //            return result;
        //        }
        //    }

        //    private WorkItemFailureAction ShowFileTransferFailedDialog(Exception ex)
        //    {
        //        WorkItemFailureAction result;
        //        Icon formIcon = this.progressDialog.Icon;

        //        string formTitle = PdnResources.GetString("DocumentWorkspace.ShowFileDialog.ItemFailureDialog.Title");

        //        Image taskImage = PdnResources.GetImageResource("Icons.WarningIcon.png").Reference;

        //        string introTextFormat = PdnResources.GetString("DocumentWorkspace.ShowFileDialog.ItemFailureDialog.IntroText.Format");
        //        string introText = string.Format(introTextFormat, ex.Message);

        //        TaskButton retryTB = new TaskButton(
        //            PdnResources.GetImageResource("Icons.MenuImageRotate90CWIcon.png").Reference,
        //            PdnResources.GetString("DocumentWorkspace.ShowFileDialog.RetryTB.ActionText"),
        //            PdnResources.GetString("DocumentWorkspace.ShowFileDialog.RetryTB.ExplanationText"));

        //        TaskButton skipTB = new TaskButton(
        //            PdnResources.GetImageResource("Icons.HistoryFastForwardIcon.png").Reference,
        //            PdnResources.GetString("DocumentWorkspace.ShowFileDialog.SkipTB.ActionText"),
        //            PdnResources.GetString("DocumentWorkspace.ShowFileDialog.SkipTB.ExplanationText"));

        //        TaskButton cancelTB = new TaskButton(
        //            PdnResources.GetImageResource("Icons.CancelIcon.png").Reference,
        //            PdnResources.GetString("DocumentWorkspace.ShowFileDialog.CancelTB.ActionText"),
        //            PdnResources.GetString("DocumentWorkspace.ShowFileDialog.CancelTB.ExplanationText"));

        //        List<TaskButton> taskButtons = new List<TaskButton>();
        //        taskButtons.Add(retryTB);

        //        // Only have the Skip button if there is more than 1 item being transferred.
        //        // If only 1 item is begin transferred, Skip and Cancel are essentially synonymous.
        //        if (this.itemCount > 1)
        //        {
        //            taskButtons.Add(skipTB);
        //        }

        //        taskButtons.Add(cancelTB);

        //        int width96 = (TaskDialog.DefaultPixelWidth96Dpi * 4) / 3; // 33% wider

        //        TaskButton clickedTB = TaskDialog.Show(
        //            this.progressDialog,
        //            formIcon,
        //            formTitle,
        //            taskImage,
        //            true,
        //            introText,
        //            taskButtons.ToArray(),
        //            retryTB,
        //            cancelTB,
        //            width96,
        //            false,
        //            0,
        //            out bool unuse);

        //        if (clickedTB == retryTB)
        //        {
        //            result = WorkItemFailureAction.RetryItem;
        //        }
        //        else if (clickedTB == skipTB)
        //        {
        //            result = WorkItemFailureAction.SkipItem;
        //        }
        //        else
        //        {
        //            result = WorkItemFailureAction.CancelOperation;
        //        }

        //        return result;
        //    }

        //    private void UpdateUI()
        //    {
        //        int itemCount2 = Math.Max(1, this.itemCount);

        //        double startValue = (double)this.itemOrdinal / (double)itemCount2;
        //        double endValue = (double)(this.itemOrdinal + 1) / (double)itemCount2;

        //        long totalWork2 = Math.Max(1, this.totalWork);
        //        double lerp = (double)this.totalProgress / (double)totalWork2;

        //        double newValue = Utility.Lerp(startValue, endValue, lerp);
        //        int newValueInt = (int)Math.Ceiling(maxPBValue * newValue);

        //        if (this.cancelRequested)
        //        {
        //            this.progressDialog.CancelEnabled = false;
        //            this.progressDialog.Title = PdnResources.GetString("DocumentWorkspace.ShowFileDialog.ItemText.Canceling");
        //            this.progressDialog.ProcessMsg = string.Empty;
        //            this.progressDialog.ProgressBar.Style = ProgressBarStyle.Marquee;
        //        }
        //        else
        //        {
        //            this.progressDialog.CancelEnabled = true;
        //            this.progressDialog.Title = this.itemName;
        //            string progressFormat = PdnResources.GetString("DocumentWorkspace.ShowFileDialog.ProgressText.Format");
        //            string progressText = string.Format(progressFormat, this.itemOrdinal + 1, this.itemCount);
        //            this.progressDialog.ProcessMsg = progressText;
        //            this.progressDialog.ProgressBar.Style = ProgressBarStyle.Continuous;
        //            this.progressDialog.ProgressBar.Value = newValueInt;
        //        }
        //    }
        //}

        ///// <summary>
        ///// 更新测量单位,刷新UI
        ///// </summary>
        ///// <param name="measurementUnit"></param>
        //public void UpdateMeasureUnit(MeasurementUnit measurementUnit)
        //{
        //    //循环所有测量，更新单位
        //    if (this.GraphicsList != null
        //        && this.GraphicsList.Count > 0)
        //    {
        //        int count = this.GraphicsList.Count;
        //        for (int i = 0; i < count; i++)
        //        {
        //            if (this.GraphicsList[i].objectType == DrawClass.Measure)
        //            {
        //                ((MeasureDrawObject)(this.GraphicsList[i])).MeasurementUnit = measurementUnit;
        //            }
        //        }
        //    }
        //    this.Refresh();
        //}

        /// <summary>
        /// 分栏显示禁止滚动改变图片大小
        /// </summary>
        bool disableWheel = false;
        public void removeEvent()
        {
            disableWheel = true;
        }
    }
}