Arcengine地图编辑工具条

1、using System;using System.Collections.Generic;using System.Text;using System.Reflection;using System.IO;using System.Windows.Forms;using System.Runtime.InteropServices;using System.Runtime.Serialization.Formatters.Binary;using ESRI.ArcGIS.Carto;using ESRI.ArcGIS.Display;using ESRI.ArcGIS.Geometry;us

2、ing ESRI.ArcGIS.esriSystem;using ESRI.ArcGIS.DataSourcesGDB;using ESRI.ArcGIS.Geodatabase;using ESRI.ArcGIS.Controls;namespace LGGIS.MapEdit public class ArcgisEditor / / 使用本类可以新建点、线、面 / 移动点、线、面 / 编辑线、面的节点 / 使用时需设置Map和CurrentLayer / private IMapControl3 m_pMapControl; private ILayer m_pCurrentLayer;

3、 private IMap m_pMap; private IFeature m_pEditFeature; private IPoint m_pPoint; private IDisplayFeedback m_pFeedback; /private ISelectionTracker m_pSelectionTracker; private bool m_bInUse; private IPointCollection m_pPointCollection; private ISelection m_Selection = null; private IGeometryCollection

4、 m_GeometryCollection = null; public static IEnumFeature SelEnumFeature = null; private IArray m_ElementArray = new ArrayClass(); public IMapControl3 MapControl get return m_pMapControl; set m_pMapControl = value; / / 当前图层 / public ILayer CurrentLayer get return m_pCurrentLayer; set m_pCurrentLayer

5、= (ILayer)value; / / 地图对象 / public IMap Map get return m_pMap; set m_pMap = (IMap)value; / / 选中的要素 / public ISelection Selection get return m_Selection; set m_Selection = value; / / 构造函数 / public ArcgisEditor() public bool IsStartEdit() IWorkspaceEdit pWorkspaceEdit; IFeatureClass pFeatureCls; IFeat

6、ureLayer pFeatureLyr; bool pIsStart = false; for (int i = 0; i m_pMapControl.LayerCount; i+) pFeatureLyr = m_pMapControl.Map.get_Layer(i) as IFeatureLayer; if (pFeatureLyr = null) continue; pFeatureCls = pFeatureLyr.FeatureClass; pWorkspaceEdit = (IDataset)pFeatureCls).Workspace as IWorkspaceEdit; i

7、f (pWorkspaceEdit.IsBeingEdited() = true) pIsStart = true; break; return pIsStart; public ILayer getCurrentLayer() ILayer pLayer = CheckEditingFeatureLayer() ; return pLayer; public ILayer CheckEditingFeatureLayer() IWorkspaceEdit pWorkspaceEdit; IFeatureClass pFeatureCls; IFeatureLayer pFeatureLyr;

8、 ILayer pLayer = null; for (int i = 0; i m_pMapControl.LayerCount; i+) if (m_pMapControl.Map.get_Layer(i) is IFeatureLayer) pFeatureLyr = m_pMapControl.Map.get_Layer(i) as IFeatureLayer; if (pFeatureLyr = null) continue; pFeatureCls = pFeatureLyr.FeatureClass; pWorkspaceEdit = (IDataset)pFeatureCls)

9、.Workspace as IWorkspaceEdit; if (pWorkspaceEdit.IsBeingEdited() = true) pLayer = pFeatureLyr as ILayer; ILayer plyr = m_pMapControl.CustomProperty as ILayer; if (plyr != null & (IDataset)(IFeatureLayer)plyr).FeatureClass).Workspace = (IDataset)pFeatureCls).Workspace) pLayer = plyr; break; return pL

10、ayer; / / 开始编辑,使工作空间处于可编辑状态 / 在进行图层编辑前必须调用本方法 / public void StartEditing() try if (m_pCurrentLayer = null) return; if (!(m_pCurrentLayer is IGeoFeatureLayer) return; IFeatureLayer pFeatureLayer = (IFeatureLayer)m_pCurrentLayer; IDataset pDataset = (IDataset)pFeatureLayer.FeatureClass; if (pDataset =

11、 null) return; / 开始编辑,并设置Undo/Redo 为可用 IWorkspaceEdit pWorkspaceEdit = (IWorkspaceEdit)pDataset.Workspace; if (!pWorkspaceEdit.IsBeingEdited() pWorkspaceEdit.StartEditing(true); pWorkspaceEdit.EnableUndoRedo(); catch (Exception e) Console.WriteLine(e.Message.ToString(); / / 停止编辑，并将以前的编辑结果保存到数据文件中。 /

12、 public void StopEditing() bool bHasEdits = false; bool bSave = false; try if (m_pCurrentLayer = null) return; IFeatureLayer pFeatureLayer = (IFeatureLayer)m_pCurrentLayer; if (pFeatureLayer.FeatureClass = null) return; IDataset pDataset = (IDataset)pFeatureLayer.FeatureClass; if (pDataset = null) r

13、eturn; /如果数据已被修改，则提示用户是否保存 IWorkspaceEdit pWorkspaceEdit = (IWorkspaceEdit)pDataset.Workspace; if (pWorkspaceEdit.IsBeingEdited() pWorkspaceEdit.HasEdits(ref bHasEdits); if (bHasEdits) DialogResult result; result = MessageBox.Show(是否保存已做的修改?, 提示, MessageBoxButtons.YesNo); if (result = DialogResult.Y

14、es) bSave = true; pWorkspaceEdit.StopEditing(bSave); m_pMap.ClearSelection(); IActiveView pActiveView = (IActiveView)m_pMap; pActiveView.Refresh(); catch (Exception e) Console.WriteLine(e.Message.ToString(); public bool HasEdits() IWorkspaceEdit pWorkspaceEdit; IFeatureLayer pFeatureLayer = m_pCurre

15、ntLayer as IFeatureLayer; pWorkspaceEdit = (IDataset)pFeatureLayer.FeatureClass).Workspace as IWorkspaceEdit; bool blHasEdits = false; pWorkspaceEdit.HasEdits(ref blHasEdits); return blHasEdits; / / 检查工作空间中是否有数据处于编辑状态 / / 是否正在编辑 public bool InEdit() try if (m_pCurrentLayer = null) return false; IFea

16、tureLayer pFeatureLayer = (IFeatureLayer)m_pCurrentLayer; if (pFeatureLayer.FeatureClass = null) return false; IDataset pDataset = (IDataset)pFeatureLayer.FeatureClass; if (pDataset = null) return false; IWorkspaceEdit pWorkspaceEdit = (IWorkspaceEdit)pDataset.Workspace; if (pWorkspaceEdit.IsBeingEd

17、ited() return true; return false; catch (Exception e) Console.WriteLine(e.Message.ToString(); return false; / / 新建对象方法 / 当前图层为点图层时，每调用一次就新点一个点对象 / 当前图层为线图层或面图层时，第一次调用开始新建对象，并添加当前点， / 以后每调用一次，即向新对象中添加一个点,调用NewFeatureEnd方法完成对象创建 / 在Map.MouseDown事件中调用本方法 / / 鼠标X坐标，屏幕坐标 / 鼠标Y坐标，屏幕坐标 public void NewFeatu

18、reMouseDown(int x, int y) INewPolygonFeedback pPolyFeed; INewLineFeedback pLineFeed; try if (IsStartEdit() = true) if (m_pCurrentLayer = null) return; if (!(m_pCurrentLayer is IGeoFeatureLayer) return; IFeatureLayer pFeatureLayer = (IFeatureLayer)m_pCurrentLayer; if (pFeatureLayer.FeatureClass = nul

19、l) return; IActiveView pActiveView = (IActiveView)m_pMap; IPoint pPoint = pActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(x, y); / 如果是新开始创建的对象，则相应的创建一个新的Feedback对象； / 否则，向已存在的Feedback对象中加点 if (!m_bInUse) m_pMap.ClearSelection(); /清除地图选中对象 switch (pFeatureLayer.FeatureClass.ShapeType) case

20、 esriGeometryType.esriGeometryPoint: CreateFeature(pPoint); break; case esriGeometryType.esriGeometryMultipoint: m_bInUse = true; m_pFeedback = new NewMultiPointFeedbackClass(); INewMultiPointFeedback pMPFeed = (INewMultiPointFeedback)m_pFeedback; m_pPointCollection = new MultipointClass(); pMPFeed.

21、Start(m_pPointCollection, pPoint); break; case esriGeometryType.esriGeometryPolyline: m_bInUse = true; m_pFeedback = new NewLineFeedbackClass(); pLineFeed = (INewLineFeedback)m_pFeedback; pLineFeed.Start(pPoint); break; case esriGeometryType.esriGeometryPolygon: m_bInUse = true; m_pFeedback = new Ne

22、wPolygonFeedbackClass(); pPolyFeed = (INewPolygonFeedback)m_pFeedback; pPolyFeed.Start(pPoint); break; if (m_pFeedback != null) m_pFeedback.Display = pActiveView.ScreenDisplay; else if (m_pFeedback is INewMultiPointFeedback) object obj = Missing.Value; m_pPointCollection.AddPoint(pPoint, ref obj, re

23、f obj); else if (m_pFeedback is INewLineFeedback) pLineFeed = (INewLineFeedback)m_pFeedback; pLineFeed.AddPoint(pPoint); else if (m_pFeedback is INewPolygonFeedback) pPolyFeed = (INewPolygonFeedback)m_pFeedback; pPolyFeed.AddPoint(pPoint); catch (Exception e) Console.WriteLine(e.Message.ToString();

24、/基于捕捉新建要素 public void NewFeatureMouseDownBySnapPoint(IPoint dpoint) INewPolygonFeedback pPolyFeed; INewLineFeedback pLineFeed; try if (m_pCurrentLayer = null) return; if (!(m_pCurrentLayer is IGeoFeatureLayer) return; IFeatureLayer pFeatureLayer = (IFeatureLayer)m_pCurrentLayer; if (pFeatureLayer.Fe

25、atureClass = null) return; IActiveView pActiveView = (IActiveView)m_pMap; IPoint pPoint = dpoint; / 如果是新开始创建的对象，则相应的创建一个新的Feedback对象； / 否则，向已存在的Feedback对象中加点 if (!m_bInUse) m_pMap.ClearSelection(); /清除地图选中对象 switch (pFeatureLayer.FeatureClass.ShapeType) case esriGeometryType.esriGeometryPoint: Creat

26、eFeature(pPoint); break; case esriGeometryType.esriGeometryMultipoint: m_bInUse = true; m_pFeedback = new NewMultiPointFeedbackClass(); INewMultiPointFeedback pMPFeed = (INewMultiPointFeedback)m_pFeedback; m_pPointCollection = new MultipointClass(); pMPFeed.Start(m_pPointCollection, pPoint); break;

27、case esriGeometryType.esriGeometryPolyline: m_bInUse = true; m_pFeedback = new NewLineFeedbackClass(); pLineFeed = (INewLineFeedback)m_pFeedback; pLineFeed.Start(pPoint); break; case esriGeometryType.esriGeometryPolygon: m_bInUse = true; m_pFeedback = new NewPolygonFeedbackClass(); pPolyFeed = (INew

28、PolygonFeedback)m_pFeedback; pPolyFeed.Start(pPoint); break; if (m_pFeedback != null) m_pFeedback.Display = pActiveView.ScreenDisplay; else if (m_pFeedback is INewMultiPointFeedback) object obj = Missing.Value; m_pPointCollection.AddPoint(pPoint, ref obj, ref obj); else if (m_pFeedback is INewLineFe

29、edback) pLineFeed = (INewLineFeedback)m_pFeedback; pLineFeed.AddPoint(pPoint); else if (m_pFeedback is INewPolygonFeedback) pPolyFeed = (INewPolygonFeedback)m_pFeedback; pPolyFeed.AddPoint(pPoint); catch (Exception e) Console.WriteLine(e.Message.ToString(); / / 新建对象过程中鼠标移动方法,产生Track效果 / 在Map.MouseMo

30、ve事件中调用本方法 / / 鼠标X坐标，屏幕坐标 / 鼠标Y坐标，屏幕坐标 public void NewFeatureMouseMove(int x, int y) if (!m_bInUse) | (m_pFeedback = null) return; IActiveView pActiveView = (IActiveView)m_pMap; m_pPoint = pActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(x, y); m_pFeedback.MoveTo(m_pPoint); / / 新建对象过程中鼠标移动

31、方法,产生Track效果 / 在Map.MouseMove事件中调用本方法 / / 鼠标X坐标，屏幕坐标 / 鼠标Y坐标，屏幕坐标 public void NewFeatureMouseMoveBySnapPoint(IPoint dpoint) if (!m_bInUse) | (m_pFeedback = null) return; IActiveView pActiveView = (IActiveView)m_pMap; m_pFeedback.MoveTo(dpoint); / / 完成新建对象，取得绘制的对象，并添加到图层中 / 建议在Map.DblClick或Map.MouseD

32、own(Button = 2)事件中调用本方法 / public void NewFeatureEnd() IGeometry pGeom = null; IPointCollection pPointCollection; object obj = Type.Missing; try if (m_pFeedback is INewMultiPointFeedback) INewMultiPointFeedback pMPFeed = (INewMultiPointFeedback)m_pFeedback; pMPFeed.Stop(); pGeom = (IGeometry)m_pPointCollection; if (m_GeometryCollection = null) m_GeometryCollection = new PointClass() as IGeometryCollection; m_GeometryCollection.AddGeometryCollection(pGeom as IGeometryCollection); else if (m_pFeedback is INewLineFeedback) INewLineFeedback pLineFeed = (INewLin