ArcGIS engine实现查询闪烁.docx

实现查询闪烁frmInputQueryInfo myQueryInfo = new frmInputQueryInfo();myQueryInfo.ShowDialog();string strBusLineName = myQueryInfo.getQueryKey();if(strBusLineName.Equals(“”)){return;}IFeatureLayer pFeatureLayer = axMapControl1.get_Layer(1) as IFeatureLayerIQueryFilter pQueryFilter = new QueryFilter();pQueryFilter.WhereClause = “[BusLineName]=’”+strBusLineName+”’”;IFeatureCursor pFeatureCur = pFeatureLayer.Search(pQueryFilter,false);IFeature pFeature = null;pFeature = pFeatureCur.NextFeature();if(null==pFeature) return;IEnvelope pEnvelope = pFeature.Shape.Envelope;axMapControl1.Extent = pEnvelope;axMapControl1.ActiveView.Refresh();Aplication.DoEvent();axMapControl1.FlashShape(pFeature.Shape,3,800,null);向上移动图层：If(nIndex == 0) return;ILayer pLayer = m_pMap.get_Layer(nIndex);M_pMap.MoveLayer(pLayer,nIndex – 1)向下移动图层If(nIndex == m_pMap.get_LayerCount - 1) return;ILayer pLayer = m_pMap.get_Layer(nIndex);M_pMap.MoveLayer(pLayer,nIndex – 1)实现可视化m_pMap.get_Layer(nIndex).Visible = bVisible;IActiveView pActiveView = m_pMap as IActiveView;pActiveView.Refresh();AddFeaturepublicoverridevoid OnCreate(object hook) { try{ m_hookHelper = newHookHelperClass(); m_hookHelper.Hook = hook;if (m_hookHelper.ActiveView == null) {m_hookHelper = null;}}catch{m_hookHelper = null;}if (m_hookHelper == null)base.m_enabled = false;elsebase.m_enabled = true;publicoverridevoid OnClick() {// 弹出对话框，问是否选择已有图层还是创建新的图层frmAddFeature addFtrForm = newfrmAddFeature(this.m_hookHelper.FocusMap asIMap); addFtrForm.ShowDialog(); m_pCurFtrLyr = addFtrForm.m_pCurrentLayer asIFeatureLayer;if (m_pCurFtrLyr == null)//有可能选择的不是要素图层 {MessageBox.Show(未选择图层或图层不是要素图层,请重新择!);} }publicoverridevoid OnMouseDown(int Button, int Shift, int X, int Y) { if (m_pCurFtrLyr == null) { MessageBox.Show(未选择图层或图层不是要素图层,请重新选择！”);return; }IPoint pPoint = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y); m_pOptFtr.CreatePointFeature(m_pCurFtrLyr,