来自：http://www.cnblogs.com/shenchao/p/3591312.html

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.IO;using System.Windows.Forms;using ESRI.ArcGIS.Controls;using ESRI.ArcGIS.esriSystem;using ESRI.ArcGIS.Carto;using ESRI.ArcGIS.Geometry;using ESRI.ArcGIS.Display;using ESRI.ArcGIS.Geodatabase; namespace MapCtrol　　　　//直接引用时需替换成自己当前的命名空间{    public class MapBaseOperate    {        /// <summary>        /// 添加SHP文当        /// </summary>        /// <param name="mapControl"></param>        public static void AddShapeFile(IMapControlDefault mapControl)        {            OpenFileDialog openfileDlg = new OpenFileDialog();            openfileDlg.Title = "添加shp图层文件";            openfileDlg.Filter = "map document (*.shp)|*.shp";            openfileDlg.ShowDialog();            string filepath = openfileDlg.FileName;            bool exist = File.Exists(filepath);            if (!exist)            {                MessageBox.Show("路径不存在！");                return;            }            string path;            string filename;            //int istart = filepath.LastIndexOf("\\");            //int iend = filepath.LastIndexOf(".");            //path = filepath.Substring(0, istart);            //filename = filepath.Substring(istart + 1, iend - istart - 1);            FileInfo fileinfo = new FileInfo(filepath);            path = filepath.Substring(0, filepath.Length - fileinfo.Name.Length);            filename = fileinfo.Name;            try            {                //加载图层文件                mapControl.AddShapeFile(path, filename);                //设置MapControl的显示范围到数据的全局范围                mapControl.Extent = mapControl.FullExtent;            }            catch (System.Exception ex)            {                MessageBox.Show("添加图层文件失败！" + ex.Message);            }                    }        /// <summary>        /// 添加LYR文当        /// </summary>        /// <param name="mapControl"></param>        public static void AddLayerFile(IMapControlDefault mapControl)        {            OpenFileDialog openfileDlg = new OpenFileDialog();            openfileDlg.Title = "添加lyr图层文件";            openfileDlg.Filter = "map documents (*.lyr)|*.lyr";            openfileDlg.ShowDialog();            string filepath = openfileDlg.FileName;            bool exist = File.Exists(filepath);            if (!exist)            {                MessageBox.Show("路径不存在！");                return;            }            try            {                mapControl.AddLayerFromFile(filepath);                //设置MapControl的显示范围到数据的全局范围                mapControl.Extent = mapControl.FullExtent;            }            catch (System.Exception ex)            {                MessageBox.Show("添加图层文件失败！" + ex.Message);            }        }        /// <summary>        /// 删除地图所有图层        /// </summary>        public static void DeleteAllLayers(IMapControlDefault mapControl)        {            try            {                for (int i = mapControl.LayerCount - 1; i >= 0; i-- )                {                    mapControl.DeleteLayer(i);                }            }            catch (System.Exception ex)            {                MessageBox.Show("删除图层失败！" + ex.Message);            }        }        /// <summary>        /// 将最底图层,移动到最上层        /// </summary>        public static void MoveLayerToTop(IMapControlDefault mapControl)        {                        try            {                if (mapControl.LayerCount > 0)                {                    mapControl.MoveLayerTo(mapControl.LayerCount - 1, 0);                }            }            catch (System.Exception ex)            {                MessageBox.Show("移动图层失败！" + ex.Message);            }        }        /// <summary>        /// 加载地图文当        /// </summary>        /// <param name="mapControl"></param>        public static void LoadMapDocument(IMapControlDefault mapControl)        {            OpenFileDialog openfileDlg = new OpenFileDialog();            openfileDlg.Title = "加载地图文当";            openfileDlg.Filter = "map document (*.mxd)|*.mxd";            openfileDlg.ShowDialog();            string filepath = openfileDlg.FileName;            if (mapControl.CheckMxFile(filepath))            {                mapControl.MousePointer = esriControlsMousePointer.esriPointerHourglass;                mapControl.LoadMxFile(filepath, 0, Type.Missing);                mapControl.MousePointer = esriControlsMousePointer.esriPointerDefault;            }            else            {                MessageBox.Show(filepath + "不是有效的地图文当！");            }        }        /// <summary>        /// 加载特定地图文当        /// </summary>        /// <param name="mapControl"></param>        public static void LoadSpecificMapDocument(IMapControlDefault mapControl, string specificMapName)        {            OpenFileDialog openfileDlg = new OpenFileDialog();            openfileDlg.Title = "加载特定地图文当";            openfileDlg.Filter = "map document (*.mxd)|*.mxd";            openfileDlg.ShowDialog();            string filepath = openfileDlg.FileName;            if (mapControl.CheckMxFile(filepath))            {                if (string.IsNullOrWhiteSpace(specificMapName))                {                    int istart = filepath.LastIndexOf("\\");                    int iend = filepath.LastIndexOf(".");                    specificMapName = filepath.Substring(istart + 1, iend - istart - 1);                }                IArray arrayMap = mapControl.ReadMxMaps(filepath, Type.Missing);                for (int i = 0; i < arrayMap.Count; i++)                {                    IMap map = arrayMap.get_Element(i) as IMap;                    if (specificMapName == map.Name)                    {                        mapControl.MousePointer = esriControlsMousePointer.esriPointerHourglass;                        mapControl.LoadMxFile(filepath, 0, Type.Missing);                        mapControl.MousePointer = esriControlsMousePointer.esriPointerDefault;                        break;                    }                }            }            else            {                MessageBox.Show(filepath + "不是有效的地图文当！");            }        }        /// <summary>        /// By MapDocument        /// </summary>        public static IMapDocument LoadMapDoc(IMapControlDefault mapControl)        {            MapDocument mapdoc = new MapDocument();            try            {                OpenFileDialog openfileDlg = new OpenFileDialog();                openfileDlg.Title = "加载地图文当";                openfileDlg.Filter = "map document (*.mxd)|*.mxd";                openfileDlg.ShowDialog();                string filepath = openfileDlg.FileName;                mapdoc.Open(filepath, "");                for (int i = 0; i < mapdoc.MapCount; i++ )                {                    mapControl.Map = mapdoc.get_Map(i);                }                mapControl.Refresh();            }            catch (System.Exception ex)            {                MessageBox.Show("加载地图文当失败" + ex.Message);                mapdoc = null;            }            return mapdoc;        }        /// <summary>        /// By MapDocument        /// </summary>        /// <param name="mapDoc"></param>        public static void SaveMapDoc(IMapDocument mapDoc)        {            if (null == mapDoc)            {                MessageBox.Show("保存地图文档失败！");                return;            }            if (mapDoc.get_IsReadOnly(mapDoc.DocumentFilename) == true)            {                MessageBox.Show("文档只读无法保存！");            }                        try            {                mapDoc.Save(mapDoc.UsesRelativePaths,true);                MessageBox.Show("保存地图文档成功！");            }            catch (System.Exception ex)            {                 MessageBox.Show("保存地图文档失败！" + ex.Message);            }        }        /// <summary>        /// By MapDocument        /// </summary>        /// <param name="mapDoc"></param>        public static void SaveAsMapDoc(IMapDocument mapDoc)        {            if (null == mapDoc)            {                MessageBox.Show("保存地图文档失败！");                return;            }            if (mapDoc.get_IsReadOnly(mapDoc.DocumentFilename) == true)            {                MessageBox.Show("文档只读无法保存！");            }                        SaveFileDialog savefiledlg = new SaveFileDialog();            savefiledlg.Title = "保存地图文当";            savefiledlg.Filter = "map document (*.mxd)|*.mxd";            savefiledlg.ShowDialog();            string filepath = savefiledlg.FileName;            try            {                mapDoc.SaveAs(filepath,mapDoc.UsesRelativePaths,true);                MessageBox.Show("保存地图文档成功！");            }            catch (System.Exception ex)            {                 MessageBox.Show("保存地图文档失败！" + ex.Message);            }        }        /// <summary>        /// 缩小        /// </summary>        /// <param name="mapControl"></param>        public static void ZoomOut(IMapControlDefault mapControl)        {            try            {               mapControl.MousePointer = esriControlsMousePointer.esriPointerPageZoomOut;            　　//IEnvelope ipEnv = mapControl.TrackRectangle();            　　IEnvelope ipEnv = mapControl.Extent;            　　ipEnv.Expand(2, 2, true);            　　mapControl.Extent = ipEnv;            }            catch (System.Exception ex)            {                MessageBox.Show("缩小失败！" + ex.Message);            }        }        /// <summary>        /// 放大        /// </summary>        /// <param name="mapControl"></param>        public static void ZoomIn(IMapControlDefault mapControl)        {            try            {               mapControl.MousePointer = esriControlsMousePointer.esriPointerPageZoomIn;            　　IEnvelope ipEnv = mapControl.TrackRectangle();            　　if (ipEnv.IsEmpty)            　　{                　　ipEnv = mapControl.Extent;                　　ipEnv.Expand(0.5, 0.5, true);            　　}            　　mapControl.Extent = ipEnv;　　　　　　　　　　　　　　　　　　            }            catch (System.Exception ex)            {                MessageBox.Show("放大失败！" + ex.Message);            }        }        /// <summary>        /// 漫游        /// </summary>        /// <param name="mapControl"></param>        public static void Pan(IMapControlDefault mapControl)        {            try            {                mapControl.MousePointer = esriControlsMousePointer.esriPointerPagePan;                //IEnvelope ipEnv = mapControl.Extent;                mapControl.Pan();            }            catch (System.Exception ex)            {                MessageBox.Show("漫游失败！" + ex.Message);            }        }        /// <summary>        /// 全图        /// </summary>        /// <param name="mapControl"></param>        public static void FullExtent(IMapControlDefault mapControl)        {            try            {                mapControl.Extent = mapControl.FullExtent;            }            catch (System.Exception ex)            {                MessageBox.Show("全图失败！" + ex.Message);            }        }        /// <summary>        /// 写文字(待优化)        /// </summary>        /// <param name="mapControl"></param>        /// <param name="pGeom"></param>        /// <param name="pColor"></param>        /// <param name="text"></param>        public static void DrawMapText(IMapControlDefault mapControl, IGeometry pGeom, IRgbColor pColor, string text)        {            try            {                if (null == pColor)                {                    pColor = new RgbColorClass();                    pColor.Red = 255;                    pColor.Green = 0;                    pColor.Blue = 0;                }                ITextSymbol textsymbol = new TextSymbolClass();                textsymbol.Color = pColor;                if (null == text)                {                    text = "Draw Text";                }                textsymbol.Text = "Text";                object symbol = textsymbol;                mapControl.DrawText(pGeom, text, ref symbol);            }            catch (System.Exception ex)            {                MessageBox.Show("写文字失败！" + ex);            }                     }        /// <summary>        /// 画图        /// </summary>        /// <param name="mapControl"></param>        /// <param name="pGeom"></param>        /// <param name="pColor"></param>        /// <param name="width"></param>        public static void DrawMapShape(IMapControlDefault mapControl, IGeometry pGeom, IRgbColor pColor, int width)        {            try            {                if (null == pColor)                {                    pColor = new RgbColorClass();                    pColor.Red = 255;                    pColor.Green = 255;                    pColor.Blue = 0;                }                if (width < 1 || width > 20)                {                    width = 5;                }                object symbol = null;                if (pGeom.GeometryType == esriGeometryType.esriGeometryPolyline)                {                    ISimpleLineSymbol simpleLine = new SimpleLineSymbolClass();                    simpleLine.Color = pColor;                    simpleLine.Width = width;                    symbol = simpleLine;                }                else                {                    ISimpleFillSymbol simpleFill = new SimpleFillSymbolClass();                    simpleFill.Color = pColor;                    symbol = simpleFill;                }                mapControl.DrawShape(pGeom, ref symbol);             }            catch (System.Exception ex)            {                MessageBox.Show("画图失败！" + ex);            }        }        /// <summary>        /// 颜色        /// </summary>        /// <param name="r"></param>        /// <param name="g"></param>        /// <param name="b"></param>        /// <param name="t"></param>        /// <returns></returns>        public static IRgbColor GetColor(int r, int g, int b, int t)        {            IRgbColor rgbcolor = new RgbColorClass();            rgbcolor.Red = r;            rgbcolor.Green = g;            rgbcolor.Blue = b;            rgbcolor.Transparency = (byte)t;            return rgbcolor;        }        /// <summary>        /// 框选指定区域（鹰眼功能）        /// </summary>        /// <param name="envelope">e.NewEnvelope</param>        /// <param name="mapControl"></param>        public static void ShowRectangleByEnvelope(IEnvelope envelope, IMapControlDefault mapControl)        {            try            {                IGraphicsContainer graphicsContainer = mapControl.Map as IGraphicsContainer;                IActiveView activeView = graphicsContainer as IActiveView;                //在绘制前，清除axMapControl2中的任何图像元素                graphicsContainer.DeleteAllElements();                IElement element = new RectangleElementClass();                element.Geometry = envelope;                //设置鹰眼中的红线                //产生一个符号对象                ILineSymbol outLineSymbol = new SimpleLineSymbolClass();                outLineSymbol.Width = 2;                outLineSymbol.Color = GetColor(255, 0, 0, 255);                //设置颜色属性                //设置填充符号属性                IFillSymbol fillsymbol = new SimpleFillSymbolClass();                fillsymbol.Color = GetColor(9, 0, 0, 0);                fillsymbol.Outline = outLineSymbol;                IFillShapeElement fillShapeElement = element as IFillShapeElement;                fillShapeElement.Symbol = fillsymbol;                graphicsContainer.AddElement((IElement)fillShapeElement, 0);                activeView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);            }            catch (System.Exception ex)            {                MessageBox.Show("框选指定区域失败！" + ex);            }        }        /// <summary>        /// 清除选择        /// </summary>        /// <param name="mapControl"></param>        public static void ClearSelection(IMapControlDefault mapControl)        {            try            {                IActiveView activeView = (IActiveView)mapControl.Map;                //清除数据集前必须先刷新                activeView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, mapControl.get_Layer(0), null);                mapControl.Map.ClearSelection();                activeView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, mapControl.get_Layer(0), null);            }            catch (System.Exception ex)            {                MessageBox.Show("清除选择失败！" + ex);            }        }        /// <summary>        /// 名称查询        /// </summary>        /// <param name="mapControl"></param>        /// <param name="value"></param>        public static void SelectByName(IMapControlDefault mapControl, string field, string value)        {            try            {                string selectName = value.Trim();                ILayer layer = mapControl.Map.get_Layer(0);                IFeatureLayer featureLayer = layer as IFeatureLayer;                IFeatureClass featureClass = featureLayer.FeatureClass;                IQueryFilter queryFilter = new QueryFilterClass();                IFeatureCursor featureCursor;                IFeature feature = null; ;                queryFilter.WhereClause = field + " = " + value;                featureCursor = featureClass.Search(queryFilter, true);                feature = featureCursor.NextFeature();                if (null != feature)                {                    mapControl.Map.SelectFeature(layer, feature);                    mapControl.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);                }            }            catch (System.Exception ex)            {                MessageBox.Show("依据名称查询选中要素失败！" + ex);            }        }        /// <summary>        /// 依据指定的Geometry（Shape）选中要素        /// </summary>        /// <param name="mapControl"></param>        /// <param name="geometry"></param>        public static void SelectByShape(IMapControlDefault mapControl, IGeometry geometry)        {            try            {                mapControl.Map.SelectByShape(geometry, null, false);                mapControl.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);            }            catch (System.Exception ex)            {                MessageBox.Show("依据指定的Geometry（Shape）选中要素失败！" + ex);            }        }        /// <summary>        /// 同步到MapControl控件        /// </summary>        public static void CopyToMapControl(IMapControlDefault mapControl, IMapControlDefault toMapControl)        {            try            {                IObjectCopy objCopy = new ObjectCopyClass();                object copyFromMap = mapControl.Map;                object copyMap = objCopy.Copy(copyFromMap);                object copyToMap = toMapControl.ActiveView.FocusMap;                objCopy.Overwrite(copyMap, ref copyToMap);                toMapControl.Extent = mapControl.FullExtent;            }            catch (System.Exception ex)            {                MessageBox.Show("Map间数据同步失败！" + ex);            }                    }        /// <summary>        /// 同步到PageLayout控件        /// </summary>        public static void CopyToPageLayout(IMapControlDefault mapControl, IPageLayoutControlDefault pageLayoutControl)        {            try            {                IObjectCopy objCopy = new ObjectCopyClass();                object copyFromMap = mapControl.Map;                object copyMap = objCopy.Copy(copyFromMap);                object copyToMap = pageLayoutControl.ActiveView.FocusMap;                objCopy.Overwrite(copyMap, ref copyToMap);            }            catch (System.Exception ex)            {                MessageBox.Show("Map与PageLayout数据同步失败！" + ex);            }                    }        /// <summary>        /// 屏幕变化后刷新屏幕        /// </summary>        /// <param name="mapControl"></param>        public static void AfterScreenDraw(IMapControlDefault mapControl)        {            try            {                IActiveView activeView = (IActiveView)mapControl.ActiveView.FocusMap;                IDisplayTransformation displayTransformation = activeView.ScreenDisplay.DisplayTransformation;                displayTransformation.VisibleBounds = mapControl.Extent;                mapControl.ActiveView.Refresh();            }            catch (System.Exception ex)            {                MessageBox.Show("刷新屏幕失败！" + ex);            }        }    }}