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C#

Form1.cs：源码内容
							﻿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;
////    ESRI
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.DataSourcesFile;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.Framework;
using ESRI.ArcGIS.DisplayUI;
using ESRI.ArcGIS.Utility.BaseClasses;
using ESRI.ArcGIS.CartoUI;
using ESRI.ArcGIS.esriSystem;
namespace ArcGisEngineNewProject
{
    public partial class Form1 : Form
    {
        private int x=0, y=0;
        private IToolbarMenu mapMenu = null;
        private ITOCControl mTOCControl;
        private ILayer pMoveLayer;
        private int Toindex;
        //声明变量moveLayer，用于判断移动图层操作的顺序，0为不可移动，-4选择移动图层，4为选择移动位置
        private static int moveLayer = 0;
        //更改图层的图例样式，changeLegend为4时更改，为0时不能
        private static int changeLegend = 0;
        //删除选中图层，deleteLayer为4时可删除图层，为0时不能
        private static int deleteLayer = 0;
        //点击地图要素，显示相关属性，viewFeature为4时可以查看要素属性，为0时不能
        private static int viewFeature = 0;
        //======================================================
        public Form1()
        {
            InitializeComponent();
            this.mapMenu = new ToolbarMenu();
            this.mapMenu.SetHook(this.myMapControl1);
        }
        //鹰眼功能中当地图恢复时刷新控件
        private void myMapControl1_OnExtentUpdated(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnExtentUpdatedEvent e)
        {
            //当主地图窗口更新后，更新鹰眼控件地图
            IMap pMap;
            pMap = myMapControl1.Map;
            int i;
            for (i = 0; i <= pMap.LayerCount - 1; i++)
            {
                myMapControl2.Map.AddLayer(pMap.get_Layer(i));
            }
            //得到新范围
            IEnvelope pEnv;
            pEnv = e.newEnvelope as IEnvelope;
            IGraphicsContainer pGraphicsContainer;
            IActiveView pActiveView;
            pGraphicsContainer = myMapControl2.Map as IGraphicsContainer;
            pActiveView = pGraphicsContainer as IActiveView;
            //在绘制新的矩形框前，清除Map对象中的任何图形元素
            pGraphicsContainer.DeleteAllElements();
            IRectangleElement pRectangleEle;
            pRectangleEle = new RectangleElementClass();
            IElement pEle;
            pEle = pRectangleEle as IElement;
            pEle.Geometry = pEnv;
            IRgbColor pColor;
            pColor = new RgbColorClass();
            pColor.RGB = 255;
            pColor.Transparency = 255;
            //产生一个线符号对象
            ILineSymbol pOutline;
            pOutline = new SimpleLineSymbolClass();
            //设置线符号的属性
            pOutline.Width = 1;
            pOutline.Color = pColor;
            //设置颜色属性
            pColor = new RgbColorClass();
            pColor.RGB = 255;
            pColor.Transparency = 0;
            //设置填充符号的属性
            IFillSymbol pFillSymbol;
            pFillSymbol = new SimpleFillSymbolClass();
            pFillSymbol.Color = pColor;
            pFillSymbol.Outline = pOutline;
            IFillShapeElement pFillshapeEle;
            pFillshapeEle = pEle as IFillShapeElement;
            pFillshapeEle.Symbol = pFillSymbol;
            pEle = pFillshapeEle as IElement;
            pGraphicsContainer.AddElement(pEle, 0);
            pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
            //drowlittleViewMap(e.newEnvelope as IEnvelope);
        }
        //若图层名称为空，则更名失败
        private void axTOCControl1_OnEndLabelEdit(object sender, ESRI.ArcGIS.Controls.ITOCControlEvents_OnEndLabelEditEvent e)
        {
            string newLabel = e.newLabel;
            if (newLabel.Trim() == "")
            {
                e.canEdit = false;
            }
        }
        //右键添加shp图层
        private void addToolStripMenuItem_Click(object sender, EventArgs e)
        {
            IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactoryClass();
            openFileDialog1.Filter = "(*.shp)|*.shp";
            openFileDialog1.InitialDirectory = @"D:";
            openFileDialog1.Multiselect = false ;
            DialogResult pDialogResult = openFileDialog1.ShowDialog();
            if (pDialogResult != DialogResult.OK)
                return;
            string pPath = openFileDialog1.FileName;
            string pFilePath = System.IO.Path.GetDirectoryName(pPath);
            string pFileName = System.IO.Path.GetFileName(pPath);
            IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(pFilePath , 0);
            IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;
            IFeatureClass pFC = pFeatureWorkspace.OpenFeatureClass(pFileName);
            IFeatureLayer pFlayer = new FeatureLayerClass();
            pFlayer.FeatureClass = pFC;
            pFlayer.Name = pFC.AliasName;
            ILayer pLayer = pFlayer as ILayer;
            IMap pMap = myMapControl1.Map;
            pMap.AddLayer(pLayer);
            myMapControl1.ActiveView.Refresh();
            myMapControl2.ActiveView.Refresh();
        }
        //添加lyr图层文件
        private void 添加lyr图层ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactoryClass();
            openFileDialog1.Filter = "(*.lyr)|*.lyr";
            openFileDialog1.InitialDirectory = @"D:";
            openFileDialog1.Multiselect = false;
            DialogResult pDialogResult = openFileDialog1.ShowDialog();
            if (pDialogResult != DialogResult.OK)
                return;
            string pFileName = openFileDialog1.FileName;
            myMapControl1.AddLayerFromFile(pFileName);
            myMapControl1.ActiveView.Refresh();
            myMapControl2.ActiveView.Refresh();
        }
        //右键删除图层
        private void deleteToolStripMenuItem_Click(object sender, EventArgs e)
        {
            deleteLayer = 4;
            MessageBox.Show("请选择要删除的图层！", "删除图层");
        }
        //改变图层样式
        private void changestyleToolStripMenuItem_Click(object sender, EventArgs e)
        {
            changeLegend = 4;
            MessageBox.Show ("请选择要更改样式的图层！", "样式更改");
            
        }
        //全部删除图层
        private void removeToolStripMenuItem_Click(object sender, EventArgs e)
        {
            IMap myMap = myMapControl1.Map;
            myMap.ClearLayers();
            axTOCControl1.Update();
            myMapControl1.ActiveView.Refresh();
        }
        //TOCControl单击事件：出现快捷菜单，更改图例样式，删除图层
        private void axTOCControl1_OnMouseDown(object sender, ITOCControlEvents_OnMouseDownEvent e)
        {
            x = e.x;
            y = e.y;
            //单击鼠标左键
            if (e.button == 1)
            {
                esriTOCControlItem item = esriTOCControlItem.esriTOCControlItemNone;
                IBasicMap map = null;
                ILayer layer = null;
                object other = null;
                object index = null;
                int pLayerIndex = 0;
                //返回单击在TOCControl中位置
                axTOCControl1.HitTest(e.x, e.y, ref item, ref map, ref layer, ref other, ref index);
                IMap pMap = axTOCControl1.ActiveView.FocusMap;
                //更改图层图例
                if(changeLegend ==4)
                {
                    //判断是否单击图层或图例
                    if (item == esriTOCControlItem.esriTOCControlItemLegendClass || item ==esriTOCControlItem .esriTOCControlItemLayer )
                    {
                        ILayer pTempLayer;
                        for (int i = 0; i < pMap.LayerCount; i++)
                        {
                            pTempLayer = pMap.get_Layer(i);
                            if (pTempLayer == layer)
                            {
                                pLayerIndex = i;
                                break;
                            }
                        }
                        //声明要更改图例的图层位置
                        ISymbolSelector pSymbolSelector;
                        pSymbolSelector = new SymbolSelectorClass();
                        IGeoFeatureLayer pGeoFeatureLayer;
                        pGeoFeatureLayer = this.myMapControl1.get_Layer(pLayerIndex) as IGeoFeatureLayer;
                        //要更改图层图例的图例类型的类的定义
                        IFeatureLayer pFeatureLayer;
                        pFeatureLayer = this.myMapControl1.get_Layer(pLayerIndex) as IFeatureLayer;
                        esriGeometryType pType;
                        IFeatureClass pFeatureClass;
                        pFeatureClass = pFeatureLayer.FeatureClass;
                        pType = pFeatureClass.ShapeType;
                        //判断图例的类型:点,线,面
                        switch (pType)
                        {
                            //定义点的简单符号样式对话框
                            case esriGeometryType.esriGeometryPoint:
                                //MessageBox.Show("point");
                                ISimpleMarkerSymbol pSimpleMarkerSymbol;
                                pSimpleMarkerSymbol = new SimpleMarkerSymbolClass();
                                pSymbolSelector.AddSymbol(pSimpleMarkerSymbol as ISymbol);
                                break;
                            //定义线的简单符号样式对话框
                            case esriGeometryType.esriGeometryPolyline:
                                //MessageBox.Show("line");
                                ISimpleLineSymbol pSimpleLineSymbol;
                                pSimpleLineSymbol = new SimpleLineSymbolClass();
                                pSymbolSelector.AddSymbol(pSimpleLineSymbol as ISymbol);
                                break;
                            //定义面得简单符号样式对话框
                            case esriGeometryType.esriGeometryPolygon:
                                //MessageBox.Show("polygon");
                                ISimpleFillSymbol pSimpleFillSymbol;
                                pSimpleFillSymbol = new SimpleFillSymbolClass();
                                pSymbolSelector.AddSymbol(pSimpleFillSymbol as ISymbol);
                                break;
                            default:
                                MessageBox.Show("未知的图例类型！", "错误");
                                return;
                        }
                        //当选择对话框的图例对象时进入，再更改所在图例样式
                        if (pSymbolSelector.SelectSymbol(0))
                        {
                            ISymbol pSymbol;
                            ISimpleRenderer pRenderer;
                            pSymbol = pSymbolSelector.GetSymbolAt(0);
                            pRenderer = new SimpleRendererClass();
                            pRenderer.Symbol = pSymbol;
                            pGeoFeatureLayer.Renderer = pRenderer as IFeatureRenderer;
                            this.myMapControl1.Refresh();
                            this.axTOCControl1.Update();
                            pGeoFeatureLayer.GetType();
                        }
                        changeLegend = 0;
                    }
                    }
                    //删除单个图层
                    else if(deleteLayer ==4)
                    {
                        //确保有项目被选择
                        if (item == esriTOCControlItem.esriTOCControlItemMap)
                        {
                            //ILayer l = null;
                            if (MessageBox.Show("确实要删除地图 " + map.Name+" 吗？", "删除地图", MessageBoxButtons.YesNo) == DialogResult.Yes) 
                            {
                                pMap.ClearLayers();
                                myMapControl1.ActiveView.Refresh();
                                mTOCControl.Update();
                            }
                        }
                        else if (item == esriTOCControlItem.esriTOCControlItemLayer)
                        {
                            if (MessageBox.Show("确实要删除图层 " + layer.Name+" 吗？", "删除图层", MessageBoxButtons.YesNo) == DialogResult.Yes)
                            {
                                pMap.DeleteLayer(layer);
                                myMapControl1.ActiveView.Refresh();
                                mTOCControl.Update();
                            }
                        }
                        else
                            MessageBox.Show("未选择任何内容！","错误");
                        deleteLayer = 0;
                    }
                }
                else if (e.button == 2)//右键弹出菜单
                {
                    this.mapMenu.PopupMenu(e.x, e.y, this.axTOCControl1.hWnd);
                }
            }
        //载入窗体，向ToolbarControl加载按钮，设置ToolbarControl和TOCControl与MapControl的关联
        private void Form1_Load(object sender, EventArgs e)
        {
            //关联控件
            axTOCControl1.SetBuddyControl(myMapControl1);
            myToolbarControl.SetBuddyControl(myMapControl1);
            //添加toolbar控件按钮
            string uID = null;
            uID = "esriControlTools.ControlsOpenDocCommand";
            myToolbarControl.AddItem(uID, -1, -1, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
            uID = "esriControlTools.ControlsAddDataCommand";
            myToolbarControl.AddItem(uID, -1, -1, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
  
            uID = "esriControlTools.ControlsMapZoomInTool";
            myToolbarControl.AddItem(uID, -1, -1, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
            uID = "esriControlTools.ControlsMapZoomOutTool";
            myToolbarControl.AddItem(uID, -1, -1, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
            uID = "esriControlTools.ControlsMapZoomInFixedCommand";
            myToolbarControl.AddItem(uID, -1, -1, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
            uID = "esriControlTools.ControlsMapZoomOutFixedCommand";
            myToolbarControl.AddItem(uID, -1, -1, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
            uID = "esriControlTools.ControlsMapPanTool";
            myToolbarControl.AddItem(uID, -1, -1, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
            uID = "esriControlTools.ControlsMapFullExtentCommand";
            myToolbarControl.AddItem(uID, -1, -1, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
            uID = "esriControlTools.ControlsMapZoomToLastExtentBackCommand";
            myToolbarControl.AddItem(uID, -1, -1, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
            uID = "esriControlTools.ControlsMapZoomToLastExtentForwardCommand";
            myToolbarControl.AddItem(uID, -1, -1, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
            uID = "esriControlTools.ControlsMapIdentifyTool";
            myToolbarControl.AddItem(uID, -1, -1, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
            uID = "esriControlTools.ControlsSelectFeaturesTool";
            myToolbarControl.AddItem(uID, -1, -1, false, 0, esriCommandStyles.esriCommandStyleIconOnly);
        }
        //窗体卸载时调用Engine关闭函数（卸载内存中内容，以免内存出错，但不知为什么必须得调用）
        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            ESRI.ArcGIS.ADF.COMSupport.AOUninitialize.Shutdown();
        }
        //快捷菜单右键移动图层
        private void movelayerToolStripMenuItem_Click(object sender, EventArgs e)
        {
            moveLayer  = -4;
            MessageBox.Show("请选择要移动的图层！", "调整图层顺序");
           
        }
        //鼠标弹起事件
        private void axTOCControl1_OnMouseUp(object sender, ITOCControlEvents_OnMouseUpEvent e)
        {
            if (e.button == 1)//单击鼠标左键
            {
                    if (moveLayer  == -4)//调整图层顺序
                    {
                        mTOCControl = axTOCControl1.Object as ITOCControl;
                        esriTOCControlItem item = esriTOCControlItem.esriTOCControlItemNone;
                        IBasicMap map = null;
                        ILayer layer = null;
                        object other = null;
                        object index = null;
                        mTOCControl.HitTest(x, y, ref item, ref map, ref layer, ref other, ref index);
                        if (item == esriTOCControlItem.esriTOCControlItemLayer)
                        {
                            if (layer is IAnnotationSublayer)
                            {
                                return;
                            }
                            else
                            {
                                pMoveLayer = layer;
                                MessageBox.Show("图层：" + layer.Name + " 被选中nn请单击图层目的位置！", "调整图层顺序");
                            }
                        }
                        moveLayer  = 4;//将图层调整进行到第2步，选择移动到得目的位置
                    }
                    else if (moveLayer == 4)//调整图层顺序
                    {
                        esriTOCControlItem item = esriTOCControlItem.esriTOCControlItemNone;
                        IBasicMap map = null;
                        ILayer layer = null;
                        object other = null;
                        object index = null;
                        mTOCControl.HitTest(x, y, ref item, ref map, ref layer, ref other, ref index);
                        IMap pMap = axTOCControl1.ActiveView.FocusMap;
                        if (item == esriTOCControlItem.esriTOCControlItemLayer || layer != null)
                        {
                            if (pMoveLayer != layer)
                            {
                                ILayer pTempLayer;
                                for (int i = 0; i < pMap.LayerCount; i++)
                                {
                                    pTempLayer = pMap.get_Layer(i);
                                    if (pTempLayer == layer)
                                    {
                                        Toindex = i;
                                    }
                                }
                                pMap.MoveLayer(pMoveLayer, Toindex);
                                myMapControl1.ActiveView.Refresh();
                                mTOCControl.Update();
                               
                                MessageBox.Show("图层顺序调整成功！","调整图层顺序");
                            }
                        }
                        moveLayer = 0;//图层调整完后，将图层调整事件重新关闭
                    }
            }
        }
        //编辑图层名称
        private void axTOCControl1_OnBeginLabelEdit(object sender, ITOCControlEvents_OnBeginLabelEditEvent e)
        {
            IBasicMap map = null;
            ILayer layer = null;
            object other = null;
            object index = null;
            esriTOCControlItem item = esriTOCControlItem.esriTOCControlItemNone;
            //Determine what kind of item has been clicked on
            axTOCControl1.HitTest(e.x, e.y, ref item, ref map, ref layer, ref other, ref index);
            //Only layer items can have their labels edited
            if (item != esriTOCControlItem.esriTOCControlItemLayer)
            {
                e.canEdit = false;
            }
        }
        //查看要素属性信息
        private void viewInfToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (viewFeature == 0)
            {
                viewFeature = 4;
                myToolbarControl.CurrentTool = null;
                myToolbarControl.Enabled = false;  
                viewInfToolStripMenuItem.Text = "停止查看属性";
                myMapControl1.MousePointer = esriControlsMousePointer.esriPointerCustom;
                MessageBox.Show("看完后，记得右键‘停止查看属性’哦！", "提示");
            }
            else
            {
                viewFeature = 0;
                myToolbarControl.Enabled = true;
                viewInfToolStripMenuItem.Text = "查看属性信息";
            }
        }
        //控件随着窗体的大小更改而改变
        private void Form1_Resize(object sender, EventArgs e)
        {
            //随着主窗体大小的改变，其中的控件大小也随着改变
            this.myMapControl1.Width = this .Width- this.myMapControl1 .Left-10 ;
            this.myMapControl1.Height =this.Height - this.myToolbarControl.Height ;
            this.axTOCControl1.Height = this.Height - this.myMapControl2.Height-this.myToolbarControl .Height-5 ;
            this.myMapControl2.Top = this.myMapControl1.Top + this.myMapControl1.Height - this.myMapControl2.Height;
            this.myMapControl2.Width = this.axTOCControl1.Width;
        }
        //myMapControl1中点击要素，则显示要素属性
        private void myMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
        {
            if (e.button == 1)
            {
                if (viewFeature == 4)
                {
                    //myMapControl1.MousePointer = esriControlsMousePointer.esriPointerArrow;
                    IActiveView activeview = myMapControl1.ActiveView;
                    IEnumLayer pEnumLayer;
                    IIdentifyDialogProps pIdentifyDialogProps;
                    IIdentifyDialog pIdentifyDialog = new IdentifyDialogClass();
                    pIdentifyDialog.Map = myMapControl1.Map;
                    pIdentifyDialog.Display = activeview.ScreenDisplay;
                    pIdentifyDialog.ClearLayers();
                    pIdentifyDialogProps = pIdentifyDialog as IIdentifyDialogProps;
                    pEnumLayer = pIdentifyDialogProps.Layers;
                    pEnumLayer.Reset();
                    ILayer pLayer = pEnumLayer.Next();
                    while (pLayer != null)
                    {
                        pIdentifyDialog.AddLayerIdentifyPoint(pLayer, e.x, e.y);
                        pLayer = pEnumLayer.Next();
                    }
                    pIdentifyDialog.Show();
                }
            }
            else if (e.button == 2)
            {
            }
        }
        //退出程序
        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }  
}

						