using System;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Display;
namespace _2023012505
{
public partial class Form1 : Form
{
private ICommand cmdPan;
private ICommand cmdFullExtent;
private ICommand cmdZoomIn;
private ICommand cmdZoomOut;
private bool isDrawing = false;
private IPointCollection pointCollection = new MultipointClass();
private IGraphicsContainer graphicsContainer;
private IActiveView activeView;
private IElement pointElement;
private IElement lineElement;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
axMapControl1.AddShapeFile("..\\222\\data", "hlj1.shp");
axMapControl1.AddShapeFile("..\\222\\data", "city.shp");
axTOCControl1.SetBuddyControl(axMapControl1);
cmdPan = new ControlsMapPanToolClass();
cmdPan.OnCreate(axMapControl1.Object);
cmdFullExtent = new ControlsMapFullExtentCommandClass();
cmdFullExtent.OnCreate(axMapControl1.Object);
cmdZoomIn = new ControlsMapZoomInToolClass();
cmdZoomIn.OnCreate(axMapControl1.Object);
cmdZoomOut = new ControlsMapZoomOutToolClass();
cmdZoomOut.OnCreate(axMapControl1.Object);
graphicsContainer = axMapControl1.Map as IGraphicsContainer;
activeView = axMapControl1.ActiveView;
LoadPlaceNames();
}
private void LoadPlaceNames()
{
comboBox1.Items.Clear();
IFeatureLayer featureLayer = GetFeatureLayerByName("hlj1");
if (featureLayer == null) return;
IFeatureClass featureClass = featureLayer.FeatureClass;
IFeatureCursor featureCursor = featureClass.Search(null, true);
IFeature feature = featureCursor.NextFeature();
while (feature != null)
{
int nameFieldIndex = feature.Fields.FindField("name");
if (nameFieldIndex >= 0)
{
object fieldValue = feature.get_Value(nameFieldIndex);
if (fieldValue != null)
{
comboBox1.Items.Add(fieldValue.ToString());
}
}
feature = featureCursor.NextFeature();
}
}
private IFeatureLayer GetFeatureLayerByName(string layerName)
{
for (int i = 0; i < axMapControl1.LayerCount; i++)
{
if (axMapControl1.get_Layer(i).Name == layerName)
{
return axMapControl1.get_Layer(i) as IFeatureLayer;
}
}
return null;
}
private void axTOCControl1_OnMouseDown(object sender, AxESRI.ArcGIS.Controls.ITOCControlEvents_OnMouseDownEvent e)
{
}
private void button4_Click(object sender, EventArgs e)
{
axMapControl1.CurrentTool = cmdPan as ITool;
}
private void button2_Click(object sender, EventArgs e)
{
axMapControl1.Extent = axMapControl1.FullExtent;
axMapControl1.CurrentTool = null;
}
private void button3_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(comboBox1.Text))
{
MessageBox.Show("请先选择一个地名");
return;
}
IFeatureLayer featureLayer = GetFeatureLayerByName("hlj1");
if (featureLayer == null)
{
MessageBox.Show("未找到hlj1图层");
return;
}
IFeatureClass featureClass = featureLayer.FeatureClass;
IQueryFilter queryFilter = new QueryFilterClass();
queryFilter.WhereClause = "name='" + comboBox1.Text + "'";
IFeatureCursor featureCursor = featureClass.Search(queryFilter, true);
IFeature feature = featureCursor.NextFeature();
if (feature != null)
{
IFeatureSelection featureSelection = featureLayer as IFeatureSelection;
if (featureSelection != null)
{
featureSelection.Clear();
}
IQueryFilter selectFilter = new QueryFilterClass();
selectFilter.WhereClause = "name='" + comboBox1.Text + "'";
if (featureSelection != null)
{
featureSelection.SelectFeatures(selectFilter,
esriSelectionResultEnum.esriSelectionResultNew, false);
}
axMapControl1.FlashShape(feature.Shape, 3, 500, null);
IEnvelope featureExtent = feature.Extent;
featureExtent.Expand(1.5, 1.5, true);
axMapControl1.Extent = featureExtent;
axMapControl1.ActiveView.Refresh();
}
else
{
MessageBox.Show("未找到匹配的要素");
}
}
private void button5_Click(object sender, EventArgs e)
{
string searchText = "";
if (!string.IsNullOrEmpty(textBox1.Text))
{
searchText = textBox1.Text;
}
else if (!string.IsNullOrEmpty(comboBox1.Text))
{
searchText = comboBox1.Text;
}
else
{
MessageBox.Show("请在文本框中输入地名或在组合框中选择地名");
return;
}
IFeatureLayer featureLayer = GetFeatureLayerByName("hlj1");
if (featureLayer == null)
{
MessageBox.Show("未找到hlj1图层");
return;
}
IFeatureClass featureClass = featureLayer.FeatureClass;
IQueryFilter queryFilter = new QueryFilterClass();
queryFilter.WhereClause = "name='" + searchText + "'";
IFeatureCursor featureCursor = featureClass.Search(queryFilter, true);
IFeature feature = featureCursor.NextFeature();
if (feature != null)
{
IFeatureSelection featureSelection = featureLayer as IFeatureSelection;
if (featureSelection != null)
{
featureSelection.Clear();
}
IQueryFilter selectFilter = new QueryFilterClass();
selectFilter.WhereClause = "name='" + searchText + "'";
if (featureSelection != null)
{
featureSelection.SelectFeatures(selectFilter,
esriSelectionResultEnum.esriSelectionResultNew, false);
}
axMapControl1.FlashShape(feature.Shape);
axMapControl1.Extent = feature.Extent;
axMapControl1.ActiveView.Refresh();
MessageBox.Show("已高亮显示");
}
else
{
MessageBox.Show("未找到匹配的要素: {searchText}");
}
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog openFile = new OpenFileDialog();
openFile.Filter = "ArcGIS地图文档 (*.mxd)|*.mxd";
switch (openFile.ShowDialog())
{
case DialogResult.OK:
axMapControl1.LoadMxFile(openFile.FileName);
MessageBox.Show("地图加载成功！");
break;
case DialogResult.Cancel:
default:
break;
}
}
private void 放大ToolStripMenuItem_Click(object sender, EventArgs e)
{
axMapControl1.CurrentTool = cmdZoomIn as ITool;
}
private void 缩小ToolStripMenuItem_Click(object sender, EventArgs e)
{
axMapControl1.CurrentTool = cmdZoomOut as ITool;
}
private void button1_Click(object sender, EventArgs e)
{
Form2 form = new Form2(this);
form.Show();
}
private void axMapControl1_OnMouseDown(object sender, AxESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseDownEvent e)
{
if (isDrawing)
{
IPoint point = axMapControl1.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
pointCollection.AddPoint(point);
ISimpleMarkerSymbol markerSymbol = new SimpleMarkerSymbolClass();
markerSymbol.Style = esriSimpleMarkerStyle.esriSMSCircle;
markerSymbol.Size = 8;
markerSymbol.Color = GetRGBColor(255, 0, 0);
IMarkerElement markerElement = new MarkerElementClass();
markerElement.Symbol = markerSymbol;
pointElement = markerElement as IElement;
pointElement.Geometry = point;
graphicsContainer.AddElement(pointElement, 0);
if (!string.IsNullOrEmpty(textBox2.Text))
{
ITextSymbol textSymbol = new TextSymbolClass();
textSymbol.Color = GetRGBColor(0, 0, 0);
textSymbol.Size = 10;
IPoint textPoint = new PointClass();
textPoint.X = point.X;
textPoint.Y = point.Y + 1000;
ITextElement textElement = new TextElementClass();
textElement.Symbol = textSymbol;
textElement.Text = textBox2.Text;
IElement element = textElement as IElement;
element.Geometry = textPoint;
graphicsContainer.AddElement(element, 0);
}
if (pointCollection.PointCount > 1)
{
IPolyline polyline = new PolylineClass();
polyline.FromPoint = pointCollection.get_Point(pointCollection.PointCount - 2);
polyline.ToPoint = point;
ISimpleLineSymbol lineSymbol = new SimpleLineSymbolClass();
lineSymbol.Style = esriSimpleLineStyle.esriSLSSolid;
lineSymbol.Width = 2;
lineSymbol.Color = GetRGBColor(0, 0, 255);
ILineElement lineElementClass = new LineElementClass();
lineElementClass.Symbol = lineSymbol;
lineElement = lineElementClass as IElement;
lineElement.Geometry = polyline;
graphicsContainer.AddElement(lineElement, 0);
}
activeView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
}
private IColor GetRGBColor(int red, int green, int blue)
{
IRgbColor rgbColor = new RgbColorClass();
rgbColor.Red = red;
rgbColor.Green = green;
rgbColor.Blue = blue;
return rgbColor as IColor;
}
private void splitContainer1_Panel1_Paint(object sender, PaintEventArgs e)
{
}
private void splitContainer1_Panel2_Paint(object sender, PaintEventArgs e)
{
}
private void splitContainer2_Panel1_Paint(object sender, PaintEventArgs e)
{
}
private void button7_Click(object sender, EventArgs e)
{
isDrawing = true;
axMapControl1.MousePointer = esriControlsMousePointer.esriPointerCrosshair;
pointCollection = new MultipointClass();
}
private void button9_Click(object sender, EventArgs e)
{
graphicsContainer.DeleteAllElements();
activeView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private void button8_Click(object sender, EventArgs e)
{
graphicsContainer.Reset();
activeView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
}
private void button6_Click(object sender, EventArgs e)
{
}
private void button10_Click(object sender, EventArgs e)
{
isDrawing = false;
axMapControl1.MousePointer = esriControlsMousePointer.esriPointerArrow;
}
}
}这是改后的代码using System;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Geometry;
namespace _2023012505
{
public partial class Form1 : Form
{
private ICommand cmdPan;
private ICommand cmdFullExtent;
private ICommand cmdZoomIn;
private ICommand cmdZoomOut;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
axMapControl1.AddShapeFile("..\\222\\data", "hlj1.shp");
axMapControl1.AddShapeFile("..\\222\\data", "city.shp");
axTOCControl1.SetBuddyControl(axMapControl1);
cmdPan = new ControlsMapPanToolClass();
cmdPan.OnCreate(axMapControl1.Object);
cmdFullExtent = new ControlsMapFullExtentCommandClass();
cmdFullExtent.OnCreate(axMapControl1.Object);
cmdZoomIn = new ControlsMapZoomInToolClass();
cmdZoomIn.OnCreate(axMapControl1.Object);
cmdZoomOut = new ControlsMapZoomOutToolClass();
cmdZoomOut.OnCreate(axMapControl1.Object);
LoadPlaceNames();
}
private void LoadPlaceNames()
{
comboBox1.Items.Clear();
IFeatureLayer featureLayer = GetFeatureLayerByName("hlj1");
if (featureLayer == null) return;
IFeatureClass featureClass = featureLayer.FeatureClass;
IFeatureCursor featureCursor = featureClass.Search(null, true);
IFeature feature = featureCursor.NextFeature();
while (feature != null)
{
int nameFieldIndex = feature.Fields.FindField("name");
if (nameFieldIndex >= 0)
{
object fieldValue = feature.get_Value(nameFieldIndex);
if (fieldValue != null)
{
comboBox1.Items.Add(fieldValue.ToString());
}
}
feature = featureCursor.NextFeature();
}
}
private IFeatureLayer GetFeatureLayerByName(string layerName)
{
for (int i = 0; i < axMapControl1.LayerCount; i++)
{
if (axMapControl1.get_Layer(i).Name == layerName)
{
return axMapControl1.get_Layer(i) as IFeatureLayer;
}
}
return null;
}
private void axTOCControl1_OnMouseDown(object sender, AxESRI.ArcGIS.Controls.ITOCControlEvents_OnMouseDownEvent e)
{
}
private void button4_Click(object sender, EventArgs e)
{
axMapControl1.CurrentTool = cmdPan as ITool;
}
private void button2_Click(object sender, EventArgs e)
{
axMapControl1.Extent = axMapControl1.FullExtent;
axMapControl1.CurrentTool = null;
}
private void button3_Click(object sender, EventArgs e)
{
// 检查combobox是否有选择内容
if (string.IsNullOrEmpty(comboBox1.Text))
{
MessageBox.Show("请先选择一个地名");
return;
}
// 获取对应的要素并高亮显示
IFeatureLayer featureLayer = GetFeatureLayerByName("hlj1");
if (featureLayer == null)
{
MessageBox.Show("未找到hlj1图层");
return;
}
IFeatureClass featureClass = featureLayer.FeatureClass;
IQueryFilter queryFilter = new QueryFilterClass();
queryFilter.WhereClause = "name='" + comboBox1.Text + "'";
IFeatureCursor featureCursor = featureClass.Search(queryFilter, true);
IFeature feature = featureCursor.NextFeature();
if (feature != null)
{
IFeatureSelection featureSelection = featureLayer as IFeatureSelection;
if (featureSelection != null)
{
featureSelection.Clear();
}
IQueryFilter selectFilter = new QueryFilterClass();
selectFilter.WhereClause = "name='" + comboBox1.Text + "'";
if (featureSelection != null)
{
featureSelection.SelectFeatures(selectFilter,
esriSelectionResultEnum.esriSelectionResultNew, false);
}
axMapControl1.FlashShape(feature.Shape, 3, 500, null);
IEnvelope featureExtent = feature.Extent;
featureExtent.Expand(1.5, 1.5, true);
axMapControl1.Extent = featureExtent;
axMapControl1.ActiveView.Refresh();
}
else
{
MessageBox.Show("未找到匹配的要素");
}
}
private void button5_Click(object sender, EventArgs e)
{
string searchText = "";
if (!string.IsNullOrEmpty(textBox1.Text))
{
searchText = textBox1.Text;
}
else if (!string.IsNullOrEmpty(comboBox1.Text))
{
searchText = comboBox1.Text;
}
else
{
MessageBox.Show("请在文本框中输入地名或在组合框中选择地名");
return;
}
IFeatureLayer featureLayer = GetFeatureLayerByName("hlj1");
if (featureLayer == null)
{
MessageBox.Show("未找到hlj1图层");
return;
}
IFeatureClass featureClass = featureLayer.FeatureClass;
IQueryFilter queryFilter = new QueryFilterClass();
queryFilter.WhereClause = "name='" + searchText + "'";
IFeatureCursor featureCursor = featureClass.Search(queryFilter, true);
IFeature feature = featureCursor.NextFeature();
if (feature != null)
{
IFeatureSelection featureSelection = featureLayer as IFeatureSelection;
if (featureSelection != null)
{
featureSelection.Clear();
}
IQueryFilter selectFilter = new QueryFilterClass();
selectFilter.WhereClause = "name='" + searchText + "'";
if (featureSelection != null)
{
featureSelection.SelectFeatures(selectFilter,
esriSelectionResultEnum.esriSelectionResultNew, false);
}
axMapControl1.FlashShape(feature.Shape);
axMapControl1.Extent = feature.Extent;
axMapControl1.ActiveView.Refresh();
MessageBox.Show("已高亮显示");
}
else
{
MessageBox.Show("未找到匹配的要素: {searchText}");
}
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog openFile = new OpenFileDialog();
openFile.Filter = "ArcGIS地图文档 (*.mxd)|*.mxd";
switch (openFile.ShowDialog())
{
case DialogResult.OK:
axMapControl1.LoadMxFile(openFile.FileName);
MessageBox.Show("地图加载成功！");
break;
case DialogResult.Cancel:
default:
break;
}
}
private void 放大ToolStripMenuItem_Click(object sender, EventArgs e)
{
axMapControl1.CurrentTool = cmdZoomIn as ITool;
}
private void 缩小ToolStripMenuItem_Click(object sender, EventArgs e)
{
axMapControl1.CurrentTool = cmdZoomOut as ITool;
}
private void button1_Click(object sender, EventArgs e)
{
Form2 form = new Form2(this);
form.Show();
}
private void axMapControl1_OnMouseDown(object sender, AxESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseDownEvent e)
{
}
private void splitContainer1_Panel1_Paint(object sender, PaintEventArgs e)
{
}
private void splitContainer1_Panel2_Paint(object sender, PaintEventArgs e)
{
}
}
}这是改前的代码，为什么改后会报错未处理 System.Runtime.InteropServices.COMException
HResult=-2146827235
Message=指定的路径无效
Source=esriControls.MapControl.1
ErrorCode=-2146827235
StackTrace:
在 System.RuntimeType.ForwardCallToInvokeMember(String memberName, BindingFlags flags, Object target, Int32[] aWrapperTypes, MessageData& msgData)
在 ESRI.ArcGIS.Controls.IMapControlDefault.AddShapeFile(String Path, String fileName)
在 AxESRI.ArcGIS.Controls.AxMapControl.AddShapeFile(String path, String fileName)
在 _2023012505.Form1.Form1_Load(Object sender, EventArgs e) 位置 D:\改\地信一班李健华2023012505\地信一班李健华2023012505\2023012505\form1.cs:行号 38
在 System.Windows.Forms.Form.OnLoad(EventArgs e)
在 System.Windows.Forms.Form.OnCreateControl()
在 System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
在 System.Windows.Forms.Control.CreateControl()
在 System.Windows.Forms.Control.WmShowWindow(Message& m)
在 System.Windows.Forms.Control.WndProc(Message& m)
在 System.Windows.Forms.ScrollableControl.WndProc(Message& m)
在 System.Windows.Forms.Form.WmShowWindow(Message& m)
在 System.Windows.Forms.Form.WndProc(Message& m)
在 System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
在 System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
在 System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
InnerException:
，而改前不会
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