using System;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.DataSourcesFile;
using ESRI.ArcGIS.DataSourcesRaster;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.esriSystem;
namespace EngineWindowsApplication1
{
public partial class MainForm : Form
{
private INewLineFeedback pNewLineFeedback; //追踪线对象
private INewPolygonFeedback pNewPolygonFeedback; //追踪面对象
private IPoint pPointPt = null; //鼠标点击点
private IPoint pMovePt = null; //鼠标移动时的当前点
private double dTotalLength = 0; //量测总长度
private double dSegmentLength = 0; //片段距离
private IPointCollection pAreaPointCol = null; //面积量算时画的点进行存储
private string sMapUnits = "未知单位"; //地图单位变量
private object missing = Type.Missing;
string pMouseOperate = null;
string pMouseOperateBackup = null;
IExtentStack pExtentStack;
public MainForm()
{
ESRI.ArcGIS.RuntimeManager.Bind(ESRI.ArcGIS.ProductCode.EngineOrDesktop);
ESRI.ArcGIS.RuntimeManager.BindLicense(ESRI.ArcGIS.ProductCode.Engine);
this.StartPosition = FormStartPosition.CenterScreen;
InitializeComponent();
this.StartPosition = FormStartPosition.CenterScreen;
}
private void ClearAllData()
{
if (mainMapControl.Map != null && mainMapControl.Map.LayerCount > 0)
{
IMap dataMap = new MapClass(); dataMap.Name = "Map"; mainMapControl.DocumentFilename = string.Empty;
mainMapControl.Map = dataMap;
}
}
private void ClearMeasureObject()
{
//清空线对象
if (pNewLineFeedback != null)
{
pNewLineFeedback.Stop();
pNewLineFeedback = null;
dSegmentLength = 0;
dTotalLength = 0;
}
//清空面对象
if (pNewPolygonFeedback != null)
{
pNewPolygonFeedback.Stop();
pNewPolygonFeedback = null;
pAreaPointCol.RemovePoints(0, pAreaPointCol.PointCount); //清空点集中所有点
}
//清空量算画的线、面对象
mainMapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewForeground, null, null);
//结束量算功能
pMouseOperate = string.Empty;
mainMapControl.MousePointer = esriControlsMousePointer.esriPointerDefault;
}
private string GetMapUnit(esriUnits _esriMapUnit)
{
string sMapUnits = string.Empty;
switch (_esriMapUnit)
{
case esriUnits.esriCentimeters:
sMapUnits = "厘米";
break;
case esriUnits.esriDecimalDegrees:
sMapUnits = "十进制";
break;
case esriUnits.esriDecimeters:
sMapUnits = "分米";
break;
case esriUnits.esriFeet:
sMapUnits = "尺";
break;
case esriUnits.esriInches:
sMapUnits = "英寸";
break;
case esriUnits.esriKilometers:
sMapUnits = "千米";
break;
case esriUnits.esriMeters:
sMapUnits = "米";
break;
case esriUnits.esriMiles:
sMapUnits = "英里";
break;
case esriUnits.esriMillimeters:
sMapUnits = "毫米";
break;
case esriUnits.esriNauticalMiles:
sMapUnits = "海里";
break;
case esriUnits.esriPoints:
sMapUnits = "点";
break;
case esriUnits.esriUnitsLast:
sMapUnits = "UnitsLast";
break;
case esriUnits.esriUnknownUnits:
sMapUnits = "未知单位";
break;
case esriUnits.esriYards:
sMapUnits = "码";
break;
default:
break;
}
return sMapUnits;
}
private void Form1_Load(object sender, EventArgs e)
{
this.axTOCControl1.SetBuddyControl(mainMapControl);
this.axToolbarControl1.SetBuddyControl(mainMapControl);
pAreaPointCol = new MultipointClass();
axToolbarControl1.SetBuddyControl(mainMapControl);
axTOCControl2.SetBuddyControl(mainMapControl);
}
private void tsmiAddMapDoc_Click(object sender, EventArgs e)
{
}
private void tsmiLoadMxFile_Click(object sender, EventArgs e)
{
try
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.CheckFileExists = true;
ofd.Title = "打开地图文档";
ofd.Filter = "ArcMap文档(*.mxd)|*.mxd|ArcMap模板(*.mxt)|*.mxt|发布地图文件(*.pmf)|*.pmf|所有地图格式(*.mxd;*.mxt;*.pmf)|*.mxd;*.mxt;*.pmf";
ofd.Multiselect = false;
ofd.RestoreDirectory = true;
if (ofd.ShowDialog() == DialogResult.OK)
{
string pFileName = ofd.FileName;
if (pFileName == "") { return; }
if (mainMapControl.CheckMxFile(pFileName))//检查地图文档有效性
{
ClearAllData();
mainMapControl.LoadMxFile(pFileName);
mainMapControl.Extent = mainMapControl.FullExtent;
mainMapControl.Refresh();
}
else
{
MessageBox.Show(pFileName + "是无效的地图文档!", "警告",
MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
return;
}
}
}
catch (Exception ex)
{
MessageBox.Show("打开地图文档失败！\n" + ex.Message, "警告",
MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
}
}
private void tsmiIMapDocument_Click(object sender, EventArgs e)
{
try
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.CheckFileExists = true;
ofd.Title = "打开地图文档";
ofd.Filter = "ArcMap文档(*.mxd)|*.mxd|ArcMap模板(*.mxt)|*.mxt|发布地图文件(*.pmf)|*.pmf|所有地图格式(*.mxd;*.mxt;*.pmf)|*.mxd;*.mxt;*.pmf";
ofd.Multiselect = false;
ofd.RestoreDirectory = true;
if (ofd.ShowDialog() == DialogResult.OK)
{
string pFileName = ofd.FileName;
if (pFileName == "") { return; }
if (mainMapControl.CheckMxFile(pFileName))
{
IMapDocument pMapDocument = new MapDocument(); //usingESRI.ArcGIS.Carto;
pMapDocument.Open(pFileName, "");
mainMapControl.Map = pMapDocument.ActiveView.FocusMap;
mainMapControl.Extent = mainMapControl.FullExtent;
mainMapControl.ActiveView.Refresh();
}
else
{
MessageBox.Show(pFileName + "是无效的地图文档!", "警告",
MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
return;
}
}
}
catch (Exception ex)
{
MessageBox.Show("打开地图文档失败！\n" + ex.Message, "警告",
MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
}
}
private void tsmiControlsOpenDocCommandClass_Click(object sender, EventArgs e)
{
ICommand command = new ControlsOpenDocCommandClass();
command.OnCreate(mainMapControl.Object);
command.OnClick();
}
private void mainMapControl_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
if (e.button == 1)
{
IActiveView pActiveView = mainMapControl.ActiveView;
IEnvelope pEnvelope = new EnvelopeClass();
switch (pMouseOperate)
{
case "ZoomIn": //拉框放大
pEnvelope = mainMapControl.TrackRectangle();
//如果拉框范围为空则返回
if (pEnvelope == null || pEnvelope.IsEmpty || pEnvelope.Height == 0 ||
pEnvelope.Width == 0)
{
return;
}
//如果有拉框范围，则放大到拉框范围
pActiveView.Extent = pEnvelope;
pActiveView.Refresh();
break;
case "ZoomOut": //拉框缩小
pEnvelope = mainMapControl.TrackRectangle();
//如果拉框范围为空则退出
if (pEnvelope == null || pEnvelope.IsEmpty || pEnvelope.Height == 0 ||
pEnvelope.Width == 0)
{
return;
}
//如果有拉框范围，则以拉框范围为中心，缩小倍数为：当前视图范围/拉框范围
else
{
double dWidth = pActiveView.Extent.Width * pActiveView.Extent.Width /
pEnvelope.Width;
double dHeight = pActiveView.Extent.Height * pActiveView.Extent.Height /
pEnvelope.Height;
double dXmin = pActiveView.Extent.XMin - ((pEnvelope.XMin - pActiveView.Extent.XMin) * pActiveView.Extent.Width / pEnvelope.Width);
double dYmin = pActiveView.Extent.YMin - ((pEnvelope.YMin - pActiveView.Extent.YMin) * pActiveView.Extent.Height / pEnvelope.Height);
double dXmax = dXmin + dWidth;
double dYmax = dYmin + dHeight;
pEnvelope.PutCoords(dXmin, dYmin, dXmax, dYmax);
}
pActiveView.Extent = pEnvelope;
pActiveView.Refresh();
break;
case "Pan": //漫游
mainMapControl.Pan();
break;
default:
break;
}
}
else if (e.button == 2)
{
pMouseOperate = "";
mainMapControl.MousePointer = esriControlsMousePointer.esriPointerDefault;
}
tsslXY.Text = string.Format("({0}, {1}) {2}", e.mapX.ToString("#######.####"),
e.mapY.ToString("#######.####"), mainMapControl.MapUnits.ToString().Substring(4));
pPointPt = (mainMapControl.Map as IActiveView).ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
if (e.button == 1)
{
IActiveView pActiveView = mainMapControl.ActiveView;
IEnvelope pEnvelope = new EnvelopeClass();
switch (pMouseOperate)
{
case "MeasureLength": //距离量量测
//判断追踪线对象是否为空，若是则实例化并设置当前鼠标点为起始点
if (pNewLineFeedback == null)
{
//实例化追踪线对象
pNewLineFeedback = new NewLineFeedbackClass();
pNewLineFeedback.Display = (mainMapControl.Map as IActiveView).ScreenDisplay;
//设置起点，开始动态线绘制
pNewLineFeedback.Start(pPointPt);
dTotalLength = 0;
}
else //如果追踪线对象不为空，则添加当前鼠标点
{
pNewLineFeedback.AddPoint(pPointPt);
}
//pGeometry = m_PointPt;
if (dSegmentLength != 0)
{
dTotalLength = dTotalLength + dSegmentLength;
}
break;
case "MeasureArea": //面积量测
if (pNewPolygonFeedback == null)
{
//实例化追踪面对象
pNewPolygonFeedback = new NewPolygonFeedback();
pNewPolygonFeedback.Display = (mainMapControl.Map as IActiveView).ScreenDisplay;
pAreaPointCol.RemovePoints(0, pAreaPointCol.PointCount);
//开始绘制多边形
pNewPolygonFeedback.Start(pPointPt);
pAreaPointCol.AddPoint(pPointPt, ref missing, ref missing);
}
else
{
pNewPolygonFeedback.AddPoint(pPointPt);
pAreaPointCol.AddPoint(pPointPt, ref missing, ref missing);
}
break;
default:
break;
}
}
else if (e.button == 2)
{
pMouseOperate="";
mainMapControl.MousePointer=esriControlsMousePointer. esriPointerDefault ;
}
}
private void tsmiAddShpByMapControl_Click(object sender, EventArgs e)
{
{
try
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.CheckFileExists = true;
ofd.Title = "打开Shapefile文件";
ofd.Filter = "Shapefile文件（*.shp）|*.shp";
ofd.Multiselect = true;
ofd.RestoreDirectory = true;
if (ofd.ShowDialog() == DialogResult.OK)
{
IWorkspaceFactory pWorkspaceFactory;
IFeatureWorkspace pFeatureWorkspace;
IFeatureLayer pFeatureLayer;
foreach (string file in ofd.FileNames)
{
if (file != "")
{
int pIndex = file.LastIndexOf("\\");
string pFilePath = file.Substring(0, pIndex);
string pFileName = file.Substring(pIndex + 1);
pWorkspaceFactory = new ShapefileWorkspaceFactory();
pFeatureWorkspace = (IFeatureWorkspace)pWorkspaceFactory.OpenFromFile(pFilePath, 0);
IFeatureClass pFeatureClass = pFeatureWorkspace.OpenFeatureClass(pFileName);
pFeatureLayer = new FeatureLayer();
pFeatureLayer.FeatureClass = pFeatureClass;
pFeatureLayer.Name = pFeatureLayer.FeatureClass.AliasName;
mainMapControl.Map.AddLayer(pFeatureLayer);
}
}
mainMapControl.Extent = mainMapControl.FullExtent;
mainMapControl.ActiveView.Refresh();
}
}
catch (Exception ex)
{
MessageBox.Show("加载Shapefile文件失败！\n" + ex.Message, "警告");
}
}
}
private void tsmiAddRaster_Click(object sender, EventArgs e)
{
try
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.CheckFileExists = true;
ofd.Multiselect = true;
ofd.RestoreDirectory = true; //存储打开的文件路径
ofd.Title = "打开Raster文件";
ofd.Filter = "TIFF文件(*.tif)|*. tif |JPEG文件(*.jpg)|*.jpg|BMP文件(*.bmp)|*.bmp|IMG文件(*.img)|*.img|栅格文件(*.*)|*.bmp;*.tif;*.jpg;*.img";
if (ofd.ShowDialog() == DialogResult.OK)
{
foreach (string file in ofd.FileNames)
{
string pPath = System.IO.Path.GetDirectoryName(file);
string pFileName = System.IO.Path.GetFileName(file);
IWorkspaceFactory pWorkspaceFactory = new RasterWorkspaceFactory();
IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(pPath, 0);
IRasterWorkspace pRasterWorkspace = pWorkspace as IRasterWorkspace;
IRasterDataset pRasterDataset = pRasterWorkspace.OpenRasterDataset(pFileName);
IRasterPyramid3 pRasPyrmid;
pRasPyrmid = pRasterDataset as IRasterPyramid3;
if (pRasPyrmid != null)
{
if (!(pRasPyrmid.Present))
{
pRasPyrmid.Create();
}
}
IRaster pRaster;
pRaster = pRasterDataset.CreateDefaultRaster();
IRasterLayer pRasterLayer;
pRasterLayer = new RasterLayerClass();
pRasterLayer.CreateFromRaster(pRaster);
ILayer pLayer = pRasterLayer as ILayer;
mainMapControl.AddLayer(pLayer, 0);
}
mainMapControl.ActiveView.Refresh();
mainMapControl.Extent = mainMapControl.FullExtent;
}
}
catch (Exception ex)
{
MessageBox.Show("加载栅格文件失败！\n" + ex.Message, "警告");
}
}
private void tsmiAddLayer_Click(object sender, EventArgs e)
{
{
try
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.CheckFileExists = true;
ofd.Multiselect = true;
ofd.RestoreDirectory = true;
ofd.Title = "打开图层文件(.lyr)";
ofd.Filter = "Layer图层文件(*.lyr)|*. lyr";
if (ofd.ShowDialog() == DialogResult.OK)
{
foreach (string file in ofd.FileNames)
mainMapControl.AddLayerFromFile(file);
mainMapControl.ActiveView.Refresh();
mainMapControl.Extent = mainMapControl.FullExtent;
}
}
catch (Exception ex)
{
MessageBox.Show("加载Layer图层数据(.lyr)失败！\n" + ex.ToString(), "警告");
}
}
}
private void 件ToolStripMenuItem_Click(object sender, EventArgs e)
{
{
try
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.CheckFileExists = true;
ofd.Title = "打开Shapefile文件";
ofd.Filter = "Shapefile文件（*.shp）|*.shp";
ofd.Multiselect = true;
ofd.RestoreDirectory = true;
if (ofd.ShowDialog() == DialogResult.OK)
{
IWorkspaceFactory pWorkspaceFactory;
IFeatureWorkspace pFeatureWorkspace;
IFeatureLayer pFeatureLayer;
foreach (string file in ofd.FileNames)
{
if (file != "")
{
int pIndex = file.LastIndexOf("\\");
string pFilePath = file.Substring(0, pIndex);
string pFileName = file.Substring(pIndex + 1);
pWorkspaceFactory = new ShapefileWorkspaceFactory();
pFeatureWorkspace = (IFeatureWorkspace)pWorkspaceFactory.OpenFromFile(pFilePath, 0);
IFeatureClass pFeatureClass = pFeatureWorkspace.OpenFeatureClass(pFileName);
pFeatureLayer = new FeatureLayer();
pFeatureLayer.FeatureClass = pFeatureClass;
pFeatureLayer.Name = pFeatureLayer.FeatureClass.AliasName;
mainMapControl.Map.AddLayer(pFeatureLayer);
}
}
mainMapControl.Extent = mainMapControl.FullExtent;
mainMapControl.ActiveView.Refresh();
}
}
catch (Exception ex)
{
MessageBox.Show("加载Shapefile文件失败！\n" + ex.Message, "警告");
}
}
}
private void 通过MapControl控件加载Shp文件ToolStripMenuItem_Click(object sender, EventArgs e)
{
{
try
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.CheckFileExists = true;
ofd.Title = "打开Shapefile文件";
ofd.Filter = "Shapefile文件（*.shp）|*.shp";
ofd.Multiselect = true;
ofd.RestoreDirectory = true;
if (ofd.ShowDialog() == DialogResult.OK)
{
IWorkspaceFactory pWorkspaceFactory;
IFeatureWorkspace pFeatureWorkspace;
IFeatureLayer pFeatureLayer;
foreach (string file in ofd.FileNames)
{
if (file != "")
{
int pIndex = file.LastIndexOf("\\");
string pFilePath = file.Substring(0, pIndex);
string pFileName = file.Substring(pIndex + 1);
pWorkspaceFactory = new ShapefileWorkspaceFactory();
pFeatureWorkspace = (IFeatureWorkspace)pWorkspaceFactory.OpenFromFile(pFilePath, 0);
IFeatureClass pFeatureClass = pFeatureWorkspace.OpenFeatureClass(pFileName);
pFeatureLayer = new FeatureLayer();
pFeatureLayer.FeatureClass = pFeatureClass;
pFeatureLayer.Name = pFeatureLayer.FeatureClass.AliasName;
mainMapControl.Map.AddLayer(pFeatureLayer);
}
}
mainMapControl.Extent = mainMapControl.FullExtent;
mainMapControl.ActiveView.Refresh();
}
}
catch (Exception ex)
{
MessageBox.Show("加载Shapefile文件失败！\n" + ex.Message, "警告");
}
}
}
private void tsmiAddCADByLayer_Click(object sender, EventArgs e)
{
try
{
IWorkspaceFactory pWorkspaceFactory;
IFeatureWorkspace pFeatureWorkspace;
IFeatureLayer pFeatureLayer;
IFeatureClass pFeatureClass;
OpenFileDialog ofd = new OpenFileDialog();
ofd.CheckFileExists = true;
ofd.Multiselect = true;
ofd.RestoreDirectory = true;
ofd.Filter = "CAD(*.dwg)|*.dwg";
ofd.Title = "打开CAD数据文件";
if (ofd.ShowDialog() == DialogResult.OK)
{
foreach (string file in ofd.FileNames)
{
if (file == "") continue;
int pIndex = file.LastIndexOf("\\");
string pFilePath = file.Substring(0, pIndex);
string pFileName = file.Substring(pIndex + 1);
pWorkspaceFactory = new CadWorkspaceFactory();
pFeatureWorkspace =
(IFeatureWorkspace)pWorkspaceFactory.OpenFromFile(pFilePath, 0);
pFeatureClass = pFeatureWorkspace.OpenFeatureClass(pFileName + ":polyline");
pFeatureLayer = new FeatureLayerClass();
pFeatureLayer.Name = pFileName;
pFeatureLayer.FeatureClass = pFeatureClass;
mainMapControl.Map.AddLayer(pFeatureLayer);
}
mainMapControl.ActiveView.Refresh();
mainMapControl.Extent = mainMapControl.FullExtent;
}
}
catch (Exception ex)
{
MessageBox.Show("分图层加载CAD数据失败！\n" + ex.Message, "警告");
}
}
private void tsmiAddCADByWhole_Click(object sender, EventArgs e)
{
try
{
IWorkspaceFactory pWorkspaceFactory;
IFeatureWorkspace pFeatureWorkspace;
IFeatureLayer pFeatureLayer;
IFeatureDataset pFeatureDataset;
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "CAD(*.dwg)|*.dwg";
ofd.Title = "打开CAD数据文件";
ofd.Multiselect = true;
if (ofd.ShowDialog() == DialogResult.OK)
{
foreach (string file in ofd.FileNames)
{
if (file == "") continue;
int pIndex = file.LastIndexOf("\\");
string pFilePath = file.Substring(0, pIndex);
string pFileName = file.Substring(pIndex + 1);
pWorkspaceFactory = new CadWorkspaceFactoryClass();
pFeatureWorkspace = (IFeatureWorkspace)pWorkspaceFactory.OpenFromFile(pFilePath, 0);
pFeatureDataset = pFeatureWorkspace.OpenFeatureDataset(pFileName);
IFeatureClassContainer pFeatClassContainer = (IFeatureClassContainer)pFeatureDataset;
for (int i = 0; i < pFeatClassContainer.ClassCount; i++)
{
IFeatureClass pFeatClass = pFeatClassContainer.get_Class(i);
if (pFeatClass.FeatureType == esriFeatureType.esriFTCoverageAnnotation)
{
pFeatureLayer = new CadAnnotationLayerClass();
pFeatureLayer.Name = pFeatClass.AliasName;
pFeatureLayer.FeatureClass = pFeatClass;
mainMapControl.Map.AddLayer(pFeatureLayer);
}
else
{
pFeatureLayer = new FeatureLayerClass();
pFeatureLayer.Name = pFeatClass.AliasName;
pFeatureLayer.FeatureClass = pFeatClass;
mainMapControl.Map.AddLayer(pFeatureLayer);
}
}
}
mainMapControl.ActiveView.Refresh();
mainMapControl.Extent = mainMapControl.FullExtent;
}
}
catch (Exception ex)
{
MessageBox.Show("加载整幅CAD图数据失败！\n" + ex.Message, "警告");
}
}
private void tsmiAddCADByRaster_Click(object sender, EventArgs e)
{
try
{
IWorkspaceFactory pCadWorkspaceFactory;
IWorkspace pWorkspace;
ICadDrawingWorkspace pCadDrawingWorkspace;
ICadDrawingDataset pCadDrawingDataset;
ICadLayer pCadLayer;
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "CAD(*.dwg)|*.dwg";
ofd.Title = "打开CAD数据文件";
ofd.Multiselect = false;
if (ofd.ShowDialog() == DialogResult.OK)
{
string pFullPath = ofd.FileName;
if (pFullPath == "") return;
int pIndex = pFullPath.LastIndexOf("\\");
string pFilePath = pFullPath.Substring(0, pIndex);
string pFileName = pFullPath.Substring(pIndex + 1);
pCadWorkspaceFactory = new CadWorkspaceFactoryClass();
pWorkspace = pCadWorkspaceFactory.OpenFromFile(pFilePath, 0);
pCadDrawingWorkspace = (ICadDrawingWorkspace)pWorkspace;
pCadDrawingDataset = pCadDrawingWorkspace.OpenCadDrawingDataset(pFileName);
pCadLayer = new CadLayerClass();
pCadLayer.CadDrawingDataset = pCadDrawingDataset;
mainMapControl.Map.AddLayer(pCadLayer);
mainMapControl.ActiveView.Refresh();
}
}
catch (Exception ex)
{
MessageBox.Show("作为栅格地图加载CAD数据失败！\n" + ex.Message, "警告");
}
}
private void tsmiMapDocSave1_Click(object sender, EventArgs e)
{
try
{
if (mainMapControl.Map.LayerCount < 1)
{
MessageBox.Show("地图文档为空或出现异常，不能保存!", "提示",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
string sMxdFileName = mainMapControl.DocumentFilename;
IMapDocument pMapDocument = new MapDocumentClass();
if (sMxdFileName != null && mainMapControl.CheckMxFile(sMxdFileName))
{
if (pMapDocument.get_IsReadOnly(sMxdFileName))
{
MessageBox.Show("地图文档是只读的，不能保存!", "提示", MessageBoxButtons.OK,
MessageBoxIcon.Warning);
pMapDocument.Close();
return;
}
}
else
{
SaveFileDialog sfd = new SaveFileDialog();
sfd.Title = "请选择保存路径";
sfd.OverwritePrompt = true;
sfd.Filter = "ArcMap文档（*.mxd）|*.mxd|ArcMap模板（*.mxt）|*.mxt";
sfd.RestoreDirectory = true;
if (sfd.ShowDialog() == DialogResult.OK)
{
sMxdFileName = sfd.FileName;
}
else
{ return; }
}
pMapDocument.New(sMxdFileName);
pMapDocument.ReplaceContents(mainMapControl.Map as IMxdContents);
pMapDocument.Save(pMapDocument.UsesRelativePaths, true);
pMapDocument.Close();
MessageBox.Show("地图文档保存成功!", "提示", MessageBoxButtons.OK,
MessageBoxIcon.Information);
}
catch (Exception ex)
{
MessageBox.Show("地图文档保存失败.\n" + ex.ToString(), "警告", MessageBoxButtons.OK,
MessageBoxIcon.Warning);
}
}
private void tsmiMapDocSave2_Click(object sender, EventArgs e)
{
if (mainMapControl.Map.LayerCount < 1)
{
MessageBox.Show("地图文档为空或出现异常，不能保存!", "提示", MessageBoxButtons.OK,
MessageBoxIcon.Warning);
return;
}
ICommand pCommand = new ControlsSaveAsDocCommandClass();
pCommand.OnCreate(mainMapControl.Object);
pCommand.OnClick();
MessageBox.Show("地图文档保存成功!", "提示", MessageBoxButtons.OK,
MessageBoxIcon.Information);
}
private void tsmiMapDocSaveAs_Click(object sender, EventArgs e)
{
try
{
if (mainMapControl.Map.LayerCount < 1)
{
MessageBox.Show("地图文档为空或出现异常，不能保存!", "提示",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
SaveFileDialog sfd = new SaveFileDialog();
sfd.Title = "另存为";
sfd.OverwritePrompt = true;
sfd.Filter = "ArcMap文档（*.mxd）|*.mxd|ArcMap模板（*.mxt）|*.mxt";
sfd.RestoreDirectory = true;
if (sfd.ShowDialog() == DialogResult.OK)
{
string sFilePath = sfd.FileName;
IMapDocument pMapDocument = new MapDocumentClass();
pMapDocument.New(sFilePath);
pMapDocument.ReplaceContents(mainMapControl.Map as IMxdContents);
pMapDocument.Save(true, true);
pMapDocument.Close();
MessageBox.Show("地图文档另存成功!", "提示", MessageBoxButtons.OK,
MessageBoxIcon.Information);
}
}
catch (Exception ex)
{
MessageBox.Show("地图文档另存失败.\n" + ex.ToString(), "警告", MessageBoxButtons.OK,
MessageBoxIcon.Warning);
}
}
private void tsmiAddXY2PointShp_Click(object sender, EventArgs e)
{
try
{
LoadTxtXY2PointShpForm frmLoadTxtXY2PointShp = new LoadTxtXY2PointShpForm();
frmLoadTxtXY2PointShp.CurMapControl = mainMapControl;
frmLoadTxtXY2PointShp.CurTOCControl = axTOCControl1;
//frmLoadTxtXY2PointShp.Show();
frmLoadTxtXY2PointShp.ShowDialog();
}
catch (Exception ex)
{
MessageBox.Show("加载TXT/CSV的XY点数据失败！\n" + ex.Message, "警告",
MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
}
}
private void tsmiZoomIn_Click(object sender, EventArgs e)
{
mainMapControl.CurrentTool = null;
pMouseOperate = "ZoomIn";
mainMapControl.MousePointer = esriControlsMousePointer.esriPointerZoomIn;
}
private void tsmiZoomOut_Click(object sender, EventArgs e)
{
mainMapControl.CurrentTool = null;
pMouseOperate = "ZoomOut";
mainMapControl.MousePointer = esriControlsMousePointer.esriPointerZoomOut;
}
private void tsmiZoomInStep_Click(object sender, EventArgs e)
{
IEnvelope pEnvelope = mainMapControl.Extent;
pEnvelope.Expand(0.5, 0.5, true);
mainMapControl.Extent = pEnvelope;
mainMapControl.ActiveView.Refresh();
}
private void tsmiZoomOutStep_Click(object sender, EventArgs e)
{
//不指定中心点
//IEnvelopepEnvelope=mainMapControl.Extent;
//pEnvelope.Expand(2, 2, true);
//mainMapControl.Extent=pEnvelope;
//mainMapControl.ActiveView.Refresh();
//指定中心点
IActiveView pActiveView = mainMapControl.ActiveView;
IPoint centerPoint = new PointClass();
centerPoint.PutCoords((pActiveView.Extent.XMin + pActiveView.Extent.XMax) / 2,
(pActiveView.Extent.YMax + pActiveView.Extent.YMin) / 2);
IEnvelope envlope = pActiveView.Extent;
envlope.Expand(1.5, 1.5, true);
pActiveView.Extent.CenterAt(centerPoint);
pActiveView.Extent = envlope;
pActiveView.Refresh();
}
private void tsmiPan_Click(object sender, EventArgs e)
{
mainMapControl.CurrentTool = null;
pMouseOperate = "Pan";
mainMapControl.MousePointer = esriControlsMousePointer.esriPointerPan;
}
private void tsmiFrontView_Click(object sender, EventArgs e)
{
pExtentStack = mainMapControl.ActiveView.ExtentStack;
if (pExtentStack.CanUndo())
{
pExtentStack.Undo();
tsmiForwardView.Enabled = true;
if (!pExtentStack.CanUndo())
{
tsmiFrontView.Enabled = false;
}
}
mainMapControl.ActiveView.Refresh();
}
private void tsmiForwardView_Click(object sender, EventArgs e)
{
pExtentStack=mainMapControl.ActiveView.ExtentStack;
if (pExtentStack.CanRedo())
{
pExtentStack.Redo();
tsmiFrontView.Enabled = true;
if (!pExtentStack.CanRedo())
{
tsmiForwardView.Enabled = false;
}
}
mainMapControl.ActiveView.Refresh();
}
private void tsmiFullExtent_Click(object sender, EventArgs e)
{
mainMapControl.Extent = mainMapControl.FullExtent;
}
private void tsmiMapMeasure_Click(object sender, EventArgs e)
{
ClearMeasureObject();
tsslMeasureResult.Text = "地图量测";
}
private void tsmiLengthMeasure_Click(object sender, EventArgs e)
{
mainMapControl.CurrentTool = null;
pMouseOperateBackup = "MeasureLength";
mainMapControl.MousePointer = esriControlsMousePointer.esriPointerCrosshair;
tsslMeasureResult.Text = "距离量测";
}
private void tsmiAreaMeasure_Click(object sender, EventArgs e)
{
mainMapControl.CurrentTool = null;
pMouseOperateBackup = "MeasureArea";
mainMapControl.MousePointer = esriControlsMousePointer.esriPointerCrosshair;
tsslMeasureResult.Text = "面积量测";
}
private void mainMapControl_OnMouseMove(object sender, IMapControlEvents2_OnMouseMoveEvent e)
{
// tsslXY.Text =string.Format("{0}, {1} {2}", e.mapX.ToString("#######.####"),
// e.mapY.ToString("#######.####"),mainMapControl.MapUnits.ToString().Substring(4));
sMapUnits = GetMapUnit(mainMapControl.Map.MapUnits);
tsslXY.Text = String.Format("当前坐标：X={0:#.###}Y={1:#.###}{2}", e.mapX, e.mapY,
sMapUnits);
pMovePt = (mainMapControl.Map as IActiveView).ScreenDisplay.DisplayTransformation.ToMapPoint(e.x,
e.y);
switch (pMouseOperateBackup)
{
case "MeasureLength": //距离量测
if (pNewLineFeedback != null)
{
pNewLineFeedback.MoveTo(pMovePt);
}
double deltaX = 0; //两点之间X差值
double deltaY = 0; //两点之间Y差值
if ((pPointPt != null) && (pNewLineFeedback != null))
{
deltaX = pMovePt.X - pPointPt.X;
deltaY = pMovePt.Y - pPointPt.Y;
dSegmentLength = Math.Round(Math.Sqrt((deltaX * deltaX) + (deltaY * deltaY)), 3);
dTotalLength = dTotalLength + dSegmentLength;
tsslMeasureResult.Text = String.Format("距离量测：当前线段{0:.####}{1};总长{2:.####}{1}", dSegmentLength, sMapUnits, dTotalLength);
dTotalLength = dTotalLength - dSegmentLength; //鼠标移动到新点重新开始计算
}
break;
case "MeasureArea": //面积量测
if (pNewPolygonFeedback != null)
{
pNewPolygonFeedback.MoveTo(pMovePt);
}
IPointCollection pPointCol = new Polygon();
IPolygon pPolygon = new PolygonClass();
IGeometry pGeo = null;
ITopologicalOperator pTopo = null;
for (int i = 0; i <= pAreaPointCol.PointCount - 1; i++)
{
pPointCol.AddPoint(pAreaPointCol.get_Point(i), ref missing, ref missing);
}
pPointCol.AddPoint(pMovePt, ref missing, ref missing);
if (pPointCol.PointCount < 3) return;
pPolygon = pPointCol as IPolygon;
if ((pPolygon != null))
{
pPolygon.Close();
pGeo = pPolygon as IGeometry;
pTopo = pGeo as ITopologicalOperator;
pTopo.Simplify();
pGeo.Project(mainMapControl.Map.SpatialReference);
IArea pArea = pGeo as IArea;
tsslMeasureResult.Text = String.Format("面积量测：总面积{0:.####}平方{1};总长度{2:.####}{1}", pArea.Area, sMapUnits, pPolygon.Length);
pPolygon = null;
}
break;
default:
break;
}
}
private void mainMapControl_OnDoubleClick(object sender, IMapControlEvents2_OnDoubleClickEvent e)
{
switch (pMouseOperateBackup)
{
case "MeasureLength": //距离量测
if (pNewLineFeedback != null)
{
pNewLineFeedback.Stop();
pNewLineFeedback = null;
//清空所画的线对象
(mainMapControl.Map as IActiveView).PartialRefresh(esriViewDrawPhase.esriViewForeground, null, null);
}
dTotalLength = 0;
dSegmentLength = 0;
break;
case "MeasureArea": //面积量测
if (pNewPolygonFeedback != null)
{
pNewPolygonFeedback.Stop();
pNewPolygonFeedback = null;
//清空所画的线对象
(mainMapControl.Map as IActiveView).PartialRefresh(esriViewDrawPhase.esriViewForeground, null, null);
}
pAreaPointCol.RemovePoints(0, pAreaPointCol.PointCount); //清空点集中所有点
break;
default:
break;
}
}
}
}以上是具体代码
本文介绍如何使用ReplaceContents方法来替换MXD文档的内容。该方法允许用指定的地图、页面布局、地图控件或页面布局控件的内容来替换当前文档的内容。在调用此方法前，需创建新的或打开现有的MXD文档。
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