コード例 #1
0
        private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
        {
            if (miStartEditing.Enabled == false) //Start Editing
            {
                DataOperator  dataOperator = new DataOperator(axMapControl1.Map);
                ILayer        layer        = dataOperator.GetLayerByName(sEditLayerName); // Get the layer to edit
                IFeatureLayer featureLayer = layer as IFeatureLayer;
                IFeature      feature;

                if (featureLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryPoint) //Edit point
                {
                    IPoint point = new PointClass();
                    point.PutCoords(e.mapX, e.mapY);
                    feature = dataOperator.AddGeometryToLayer(sEditLayerName, point);
                    AddFeature addFeatureName = new AddFeature(feature, axMapControl1.Map, this);
                    addFeatureName.ShowDialog();
                }
                else if (featureLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryPolygon)
                {
                    if (drawPolygon == null)//Continue creating polygons when editting is not stopped
                    {
                        drawPolygon = new DrawPolygon(sEditLayerName, axMapControl1.Map, this);
                        drawPolygon.set_drawStart(true);
                        IPoint point = new PointClass();
                        point.PutCoords(e.mapX, e.mapY);
                        drawPolygon.set_startPoint(point);   //set start point
                        drawPolygon.OnCreate(axMapControl1.Object);
                        drawPolygon.set_polyFeedback(point);
                    }
                }
                return;
            }
        }
コード例 #2
0
ファイル: MainForm.cs プロジェクト: zjuGISwjh/GIS-Programming
        private void polyshp_Click(object sender, EventArgs e)
        {
            DataOperator  dataOperator = new DataOperator(axMapControl1.Map);
            IFeatureClass featureClass = dataOperator.CreateShapefile("E:\\", "ShapefileWorespace", "ShapefileSample", "Polygon");

            if (featureClass == null)
            {
                MessageBox.Show("创建shapefile文件失败!");
                return;
            }
            //将要素类添加到地图中,图层名为"Observation Stations"
            //如果创建成功,将"创建shapefile"按钮禁用
            //如果创建失败,弹出消息框提示
            bool bRes = dataOperator.AddFeatureClassToMap(featureClass, "Observation Stations");

            if (bRes)
            {
                polyshp.Enabled = false;
                return;
            }
            else
            {
                MessageBox.Show("将新建shapefile文件加入地图失败!");
                return;
            }
        }
コード例 #3
0
ファイル: MainForm.cs プロジェクト: zjuGISwjh/GIS-Programming
        private void simpleRenderToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //获取"World Cities"图层
            DataOperator dataoperator = new DataOperator(axMapControl1.Map);
            ILayer       layer        = dataoperator.GetLayerByName("World Cities");

            //通过IRgbColor接口新建rgbcolor对象,并设置颜色为蓝色
            IRgbColor rgbcolor = new RgbColorClass();

            rgbcolor.Red   = 0;
            rgbcolor.Blue  = 255;
            rgbcolor.Green = 0;

            //获取"World Cities"图层的要素信息,并通过IColor接口访问设置好的颜色对象
            ISymbol symbol = DataOperator.GetSymbolByLayer(layer);
            IColor  color  = rgbcolor as IColor;
            //判断图层和颜色是否获取成功,如果获取成功,则当前视图刷新,并显示简单渲染效果
            //使simplerender菜单项不可再用
            //如果获取失败,则弹出消息框提示"简单渲染失败!"
            bool t = DataOperator.SetSymbolColor(layer, color);

            if (t)
            {
                axTOCControl1.ActiveView.ContentsChanged();
                axMapControl1.ActiveView.Refresh();
                simpleRender.Enabled = false;
            }
            else
            {
                MessageBox.Show("简单渲染失败!");
            }
        }
コード例 #4
0
ファイル: TryMapAnalysis.cs プロジェクト: tomorrgod/ArcEngine
        public bool Buffer(string layerName, string sWhere, int iSize, IMap iMap)
        {
            IFeatureClass featureClass;
            IFeature      feature;
            IGeometry     geometry;

            DataOperator  dataOperator = new DataOperator(iMap);
            IFeatureLayer featureLayer = (IFeatureLayer)dataOperator.GetLayerByName(layerName);

            featureClass = featureLayer.FeatureClass;
            IQueryFilter queryFilter = new QueryFilter();

            queryFilter.WhereClause = sWhere;
            IFeatureCursor featureCursor;

            featureCursor = (IFeatureCursor)featureClass.Search(queryFilter, false);
            int count = featureClass.FeatureCount(queryFilter);

            feature  = featureCursor.NextFeature();
            geometry = feature.Shape;

            ITopologicalOperator ipTO        = (ITopologicalOperator)geometry;
            IGeometry            iGeomBuffer = ipTO.Buffer(iSize);

            ISpatialFilter spatialFilter = new SpatialFilter();

            spatialFilter.Geometry   = iGeomBuffer;
            spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIndexIntersects;

            IFeatureSelection featureSelection = (IFeatureSelection)featureLayer;

            featureSelection.SelectFeatures(spatialFilter, esriSelectionResultEnum.esriSelectionResultNew, false);

            return(true);
        }
コード例 #5
0
ファイル: Selection.cs プロジェクト: tomorrgod/ArcEngine
        //Query Filter
        private void btnOK_Click(object sender, EventArgs e)
        {
            m_spatialFilter.WhereClause = tbQuery.Text;

            IFeatureSelection featureSelection = (IFeatureSelection)m_layer;

            try
            {
                if (cbMethod.Text == "Create a new selection")
                {
                    featureSelection.SelectFeatures(m_spatialFilter, esriSelectionResultEnum.esriSelectionResultNew, false);
                }
                else if (cbMethod.Text == "Add to current selection")
                {
                    featureSelection.SelectFeatures(m_spatialFilter, esriSelectionResultEnum.esriSelectionResultAdd, false);
                }
                else if (cbMethod.Text == "Remove from current selection")
                {
                    featureSelection.SelectFeatures(m_spatialFilter, esriSelectionResultEnum.esriSelectionResultSubtract, false);
                }
                else if (cbMethod.Text == "Select from current selection")
                {
                    featureSelection.SelectFeatures(m_spatialFilter, esriSelectionResultEnum.esriSelectionResultAnd, false);
                }
            }
            catch
            {
                MessageBox.Show("Invalid query!");
                this.Close();
            }

            //Show the attributes of the selected features
            ISelectionSet selectionSet = featureSelection.SelectionSet;
            ICursor       cursor;

            selectionSet.Search(null, true, out cursor); //Get the cursor
            m_FeatureCursor = cursor as IFeatureCursor;

            IFeatureLayer featureLayer = m_layer as IFeatureLayer;
            DataOperator  dataOperator = new DataOperator(m_map);

            if (selectionSet.Count > 0)
            {
                DataTable dataTable = dataOperator.GetDataTable(m_FeatureCursor, featureLayer);
                selectionSet.Search(null, true, out cursor); //Get the cursor
                m_FeatureCursor = cursor as IFeatureCursor;
                DataBoard dataBoard = new DataBoard(m_map, dataTable, m_FeatureCursor, selectionSet);
                dataBoard.SetSelectedLayer(m_layer.Name);
                dataBoard.cbEnabledFalse();
                dataBoard.Show();
            }

            m_frmMain.ActiveViewPartialRefresh();
            MessageBox.Show(selectionSet.Count + " features are selected.");
            this.Close();
        }
コード例 #6
0
ファイル: DataBoard.cs プロジェクト: tomorrgod/ArcEngine
        public DataBoard(IMap map, DataTable dataTable)
        {
            //Initialize components
            InitializeComponent();
            m_map = map;

            //Input data source
            dataGridView1.DataSource = dataTable;
            AddLayerNameIntoComboBox();
            m_dataOperator = new DataOperator(m_map);
        }
コード例 #7
0
ファイル: TryMapAnalysis.cs プロジェクト: tomorrgod/ArcEngine
        public bool QueryIntersect(string srcLayerName, string tgtLayerName,
                                   IMap iMap, esriSpatialRelationEnum spatialRel)
        {
            DataOperator dataOperator = new DataOperator(iMap);

            //Get layer by name
            IFeatureLayer iSrcLayer = (IFeatureLayer)dataOperator.GetLayerByName(srcLayerName);
            IFeatureLayer iTgtLayer = (IFeatureLayer)dataOperator.GetLayerByName(tgtLayerName);

            //using query filter to get geom
            IGeometry      geom;
            IFeature       feature;
            IFeatureCursor featCursor;
            IFeatureClass  srcFeatClass;
            IQueryFilter   queryFilter = new QueryFilter();

            queryFilter.WhereClause = "CONTINENT='Asia'"; //set query clause
            featCursor = iTgtLayer.FeatureClass.Search(queryFilter, false);
            feature    = featCursor.NextFeature();
            geom       = feature.Shape;

            //city attributes filter
            srcFeatClass = iSrcLayer.FeatureClass;
            ISpatialFilter spatialFilter = new SpatialFilter();

            spatialFilter.Geometry    = geom;
            spatialFilter.WhereClause = "POP_RANK>5";
            spatialFilter.SpatialRel  = (ESRI.ArcGIS.Geodatabase.esriSpatialRelEnum)spatialRel;

            //select features
            IFeatureSelection featureSelection = (IFeatureSelection)iSrcLayer;

            featureSelection.SelectFeatures(spatialFilter, esriSelectionResultEnum.esriSelectionResultNew, false);

            ISelectionSet selectionSet = featureSelection.SelectionSet;
            ICursor       cursor;

            selectionSet.Search(null, true, out cursor);
            IFeatureCursor featureCursor = cursor as IFeatureCursor;

            if (selectionSet.Count > 0)
            {
                DataBoard dataBoard = new DataBoard(iMap, dataOperator.GetDataTable(featureCursor, iSrcLayer));
                dataBoard.cbEnabledFalse();
                dataBoard.Show();
            }


            return(true);
        }
コード例 #8
0
ファイル: MainForm.cs プロジェクト: zjuGISwjh/GIS-Programming
        private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
        {
            //当"添加要素"菜单项被勾选时,进行如下操作
            if (AddPoint.Checked == true)
            {
                IPoint point = new PointClass();
                point.PutCoords(e.mapX, e.mapY);

                DataOperator dataOperator = new DataOperator(axMapControl1.Map);
                dataOperator.AddFeatureToLayer("Observation Stations", "观测站", point);
                return;
            }
            //以下使用的是trackline和trackpolygon函数来进行线和多边形的绘制
            //注释的代码部分为另一种绘制线的方式
            if (AddLine.Checked == true)
            {
                /*ISimpleLineSymbol SimpleLineSymbol = new SimpleLineSymbolClass();
                 * SimpleLineSymbol.Style = esriSimpleLineStyle.esriSLSDot;
                 * IRgbColor rgbColor = new RgbColorClass();
                 * rgbColor.Red = 255;
                 * SimpleLineSymbol.Color = rgbColor;
                 * SimpleLineSymbol.Width = 3;
                 * object o = (object)SimpleLineSymbol;
                 * IGeometry Geometry;
                 * Geometry = axMapControl1.TrackLine();
                 * axMapControl1.DrawShape(Geometry, ref o);*/

                IGeometry    polyline = axMapControl1.TrackLine();
                ILineElement LineElement;
                LineElement = new LineElementClass();
                IElement Element = LineElement as IElement;
                Element.Geometry = polyline;

                IGraphicsContainer GraphicsContainer = axMapControl1.Map as IGraphicsContainer;
                GraphicsContainer.AddElement((IElement)LineElement, 0);

                axMapControl1.ActiveView.Refresh();
            }
            if (AddPolygon.Checked == true)
            {
                IGeometry       Polygon        = axMapControl1.TrackPolygon();
                IPolygonElement PolygonElement = new PolygonElementClass();
                IElement        Element        = PolygonElement as IElement;
                Element.Geometry = Polygon;
                IGraphicsContainer GraphicsContainer = axMapControl1.Map as IGraphicsContainer;
                GraphicsContainer.AddElement((IElement)PolygonElement, 0);
                axMapControl1.ActiveView.Refresh();
            }
        }
コード例 #9
0
ファイル: MainForm.cs プロジェクト: zjuGISwjh/GIS-Programming
        private void miAccessDataToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //获取保存有亚洲城市名的属性表,将其作为构造函数的参数
            //新建DataBook对象
            DataOperator dataOperator = new DataOperator(axMapControl1.Map);
            DataBook     dataBook     = new DataBook("亚洲城市人口",
                                                     dataOperator.GetCitiesName("World Cities", "Continents", esriSpatialRelationEnum.esriSpatialRelationIntersection));
            //在地图中显示选中的要素
            IActiveView activeview = axMapControl1.ActiveView;

            activeview.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, 0, axMapControl1.Extent);

            //展示DataBook对象
            dataBook.Show();
        }
コード例 #10
0
        /// <summary>
        /// button: confirm
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button2_Click(object sender, EventArgs e)
        {
            ISpatialReference currentSpatialRef = currentMap.SpatialReference;
            IFeatureClass     featureClass      = DataOperator.CreateShp(textBox3.Text, textBox2.Text, textBox1.Text, comboBox1.SelectedItem.ToString(), currentSpatialRef);

            if (featureClass == null)
            {
                MessageBox.Show("FAIL");
                return;
            }

            DataOperator.AddFeatureClass_Map(featureClass, textBox1.Text, currentMap);

            this.Close();
        }
コード例 #11
0
ファイル: DataBoard.cs プロジェクト: tomorrgod/ArcEngine
        public DataBoard(IMap map, DataTable dataTable, IFeatureCursor cursor, ISelectionSet set)
        {
            //Initialize components
            InitializeComponent();
            m_map          = map;
            m_SelectionSet = set;

            //Input data source
            m_dataOperator           = new DataOperator(m_map);
            dataGridView1.DataSource = dataTable;
            AddLayerNameIntoComboBox();

            //Don't change the data table
            IndexChangeFlag = false;
            m_FeatureCursor = cursor;
        }
コード例 #12
0
        private void btnAdmit_Click(object sender, EventArgs e)
        {
            IFields     fields     = new FieldsClass();
            IFieldsEdit fieldsEdit = fields as IFieldsEdit;

            //add fields
            for (int i = 3; i < listBoxFieldName.Items.Count; i++)
            {
                AddNewField(fields, listBoxFieldName.Items[i].ToString(), listBoxAliasName.Items[i].ToString(),
                            listBoxFieldType.Items[i].ToString());
            }

            //Show message box when the input is not complete
            if (tbFilePath.Text == "")
            {
                MessageBox.Show("Please input file path!");
            }
            else if (tbShapefileName.Text == "")
            {
                MessageBox.Show("Please input file name!");
            }
            else if (System.IO.File.Exists(tbFilePath.Text + "\\" + tbShapefileName.Text + ".shp"))
            {
                MessageBox.Show("The shapefile already exists!");
            }
            else
            {
                //Get parent directory and workspace names
                String        sParentDirectory = tbFilePath.Text.Substring(0, fbd.SelectedPath.LastIndexOf("\\"));
                String        sWorkspace       = tbFilePath.Text.Substring(fbd.SelectedPath.LastIndexOf("\\") + 1);
                DataOperator  dataOperator     = new DataOperator(m_map);
                IFeatureClass featureClass     = dataOperator.CreateShapefile(fields, sParentDirectory, sWorkspace, tbShapefileName.Text, cbGeometryType.SelectedItem.ToString());
                if (featureClass == null)
                {
                    MessageBox.Show("Failed to create shapefile!");
                }
                //add shapefile to the map
                if (MessageBox.Show("Do you want to add the shapefile to the map?", "", MessageBoxButtons.OKCancel) == DialogResult.OK)
                {
                    dataOperator.AddFeatureClassToMap(featureClass, tbShapefileName.Text);
                }
                this.Close();
            }
        }
コード例 #13
0
ファイル: MainForm.cs プロジェクト: zjuGISwjh/GIS-Programming
        private void myBuffer_Click(object sender, EventArgs e)
        {
            DataOperator dataOperator = new DataOperator(axMapControl1.Map);
            //dataOperator.Buffer("World Cities","CITY_NAME='Istanbul'",1,axMapControl1.Map);
            int  col;
            Form form2 = new BufferAnalysis();

            //form2.Show();
            if (form2.ShowDialog() == DialogResult.OK)
            {
                string str = form2.Controls["textBox1"].Text;
                col = int.Parse(str);
                DataBook databook = new DataBook("Istanbul's Cities", dataOperator.Buffer("World Cities", "CITY_NAME='Istanbul'", col, axMapControl1.Map));
                //在地图中显示选中的要素
                IActiveView activeview = axMapControl1.ActiveView;
                activeview.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, 0, axMapControl1.Extent);
                databook.Show();
            }
        }
コード例 #14
0
ファイル: Selection.cs プロジェクト: tomorrgod/ArcEngine
        private void cbLayerName_SelectedIndexChanged(object sender, EventArgs e)
        {
            //Get the chosen layer
            DataOperator dataOperator = new DataOperator(m_map);

            m_layer = dataOperator.GetLayerByName(cbLayerName.SelectedItem.ToString());

            //Add the fields of the layer
            IFeatureLayer featureLayer = m_layer as IFeatureLayer;
            IField        field        = null;

            lbxFields.Items.Clear();
            for (int i = 0; i < featureLayer.FeatureClass.Fields.FieldCount; i++)
            {
                field = featureLayer.FeatureClass.Fields.get_Field(i);
                lbxFields.Items.Add(field.Name);
            }

            //Change layer name label
            lbLayerName.Text = cbLayerName.Text;
        }
コード例 #15
0
        public void HighLight(int row)
        {
            DataOperator  dataoperator = new DataOperator(m_map);
            IMarkerSymbol markerSymbol = new SimpleMarker3DSymbolClass();

            //markerSymbol的类型和分辨率
            ((ISimpleMarker3DSymbol)markerSymbol).Style             = esriSimple3DMarkerStyle.esriS3DMSSphere;
            ((ISimpleMarker3DSymbol)markerSymbol).ResolutionQuality = 1.0;

            //markerSymbol的颜色和大小
            IRgbColor color = new RgbColorClass();

            color.Red   = 250;
            color.Green = 230;
            color.Blue  = 20;

            markerSymbol.Size  = 8;
            markerSymbol.Color = color as IColor;

            // 将showElement对象赋予markerSymbol的属性
            IElement showElement = new MarkerElementClass();

            ((IMarkerElement)showElement).Symbol = markerSymbol;
            showElement.Geometry = pointCollection.Point[row];

            //在绘制前,清楚图像容器内的所有Elements
            pGraphicsContainer.DeleteAllElements();//通过name删除

            //为了使点在上面,先显示polygon
            IGeometry       polygon        = pointCollection as IGeometry;
            IPolygonElement polygonElement = new PolygonElementClass();
            IElement        polyElement    = polygonElement as IElement;

            polyElement.Geometry = polygon;
            pGraphicsContainer.AddElement((IElement)polygonElement, 0);
            //绘制高亮显示的点
            pGraphicsContainer.AddElement((IElement)showElement, 0);
            //重新绘制除了高亮点外的构造点
            for (int i = 0; (i < pointCollection.PointCount); i++)
            {
                if (i != row)
                {
                    IRgbColor color3 = new RgbColorClass();      //如果出现重复 将函数独立出来
                    color3.Red   = 255;
                    color3.Green = 0;
                    color3.Blue  = 0;

                    markerSymbol.Size  = 5;
                    markerSymbol.Color = color3;
                    IElement pElement = new MarkerElementClass();
                    ((IMarkerElement)pElement).Symbol = markerSymbol;
                    pElement.Geometry = pointCollection.Point[i];
                    pGraphicsContainer.AddElement(pElement, 0);

                    /*IElement pElement=new MarkerElementClass();
                    *  pElement.Geometry = pointCollection.Point[i];
                    *  pGraphicsContainer.AddElement(pElement, 0);*/
                }
            }
            m_form.axMapControl1.ActiveView.Refresh();//partialrefresh
        }
コード例 #16
0
        /// <summary>
        /// attribute + spatial selection altogether in one
        /// </summary>
        private void SelectFeatures()
        {
            //complemented by the same class of IFeatureLayer
            IFeatureSelection featureSelection = currentFeatureLayer as IFeatureSelection;
            //IQueryFilter is implemented by coclass QueryFilter
            IQueryFilter queryFilter = new QueryFilterClass();

            //IQueryFilter.WhereClause
            queryFilter.WhereClause = textBoxWhere.Text;
            //this part of code can be both used by two ways of selection
            switch (comboBoxSelectingResult.SelectedIndex)
            {
            case 0:     //create new selection
                currentMap.ClearSelection();
                featureSelection.SelectFeatures(queryFilter, esriSelectionResultEnum.esriSelectionResultNew, false);
                break;

            case 1:     //add to current selection
                featureSelection.SelectFeatures(queryFilter, esriSelectionResultEnum.esriSelectionResultAdd, false);
                break;

            case 2:
                featureSelection.SelectFeatures(queryFilter, esriSelectionResultEnum.esriSelectionResultXOR, false);
                break;

            case 3:
                featureSelection.SelectFeatures(queryFilter, esriSelectionResultEnum.esriSelectionResultAnd, false);
                break;

            default:
                currentMap.ClearSelection();
                featureSelection.SelectFeatures(queryFilter, esriSelectionResultEnum.esriSelectionResultNew, false);
                break;
            }

            //class SpatialFilter : QueryFilter
            ISpatialFilter spatialFilter = new SpatialFilterClass();

            //attribute + spatial query
            if (this.Width == this.MaxWidth)
            {
                ICursor pCursor;
                featureSelection.SelectionSet.Search(null, false, out pCursor);

                IFeatureCursor featureCursor = pCursor as IFeatureCursor;
                IFeature       pFeature      = featureCursor.NextFeature();

                IGeometry            pGeometry = null;
                ITopologicalOperator topologicalOperator;

                while (pFeature != null)
                {
                    if (pGeometry != null)
                    {
                        //this temp topo_Buffer is used to create a searching range by ITopologicalOperator.Buffer
                        ITopologicalOperator topo_Buffer = pFeature.Shape as ITopologicalOperator;
                        //Union is a add-to-existing method
                        topologicalOperator = pGeometry as ITopologicalOperator;
                        pGeometry           = topologicalOperator.Union(topo_Buffer.Buffer(double.Parse(textBox1.Text)));
                    }
                    //first in
                    else
                    {
                        topologicalOperator = pFeature.Shape as ITopologicalOperator;
                        pGeometry           = topologicalOperator.Buffer(double.Parse(textBox1.Text));
                    }
                    //update pFeature using IFeatureCursor.NextFeature()
                    pFeature = featureCursor.NextFeature();
                }

                //ISpatialFilter.Geometry
                spatialFilter.Geometry = pGeometry;

                switch (comboBoxSpatialOperation.SelectedIndex)
                {
                case 0: spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects; break;

                case 1: spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelWithin; break;

                case 2: spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelContains; break;

                case 3: spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelTouches; break;

                case 4: spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelCrosses; break;

                default: spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects; break;
                }
                //spatial query's real selection is on the targetlayer
                featureSelection.Clear();
                for (int i = 0; i < checkedListBoxTargetLayers.CheckedItems.Count; i++)
                {
                    IFeatureLayer pFeatureLayer = DataOperator.GetFeatureLayerByName(currentMap, checkedListBoxTargetLayers.CheckedItems[i].ToString());
                    featureSelection = pFeatureLayer as IFeatureSelection;
                    featureSelection.SelectFeatures((IQueryFilter)spatialFilter, esriSelectionResultEnum.esriSelectionResultAdd, false);
                }
            }

            IActiveView activeView = currentMap as IActiveView;

            //PartialRefresh: esriViewDrawPhase
            activeView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, activeView.Extent);
        }