public bool DeleteElement(IActiveView pActiveView, IElement pElement)
{
bool flag;
try
{
if (pActiveView != null)
{
if (pElement == null)
{
return(false);
}
if (pActiveView is IGraphicsContainer)
{
if (pElement is IElementShutdown)
{
(pElement as IElementShutdown).Shutdown();
}
IGraphicsContainer container = pActiveView as IGraphicsContainer;
try
{
container.DeleteElement(pElement);
}
catch (Exception)
{
}
goto Label_004A;
}
}
return(false);
Label_004A:
flag = true;
}
catch (Exception exception)
{
this.mErrOpt.ErrorOperate(this.mSubSysName, "FunFactory.ElementFun", "DeleteElement", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
flag = false;
}
return(flag);
}
/// <summary>
/// 删除指定名称的 Element 张琪 20110628
/// </summary>
/// <param name="pScene"></param>
/// <param name="sName"></param>
public static void DeleteAllElementsWithName(IMap pMap, string sName)
{
try
{
IElement pElement;
IGraphicsContainer pGCon = pMap.BasicGraphicsLayer as IGraphicsContainer;
pGCon.Reset();
pElement = pGCon.Next() as IElement;
while (pElement != null)
{
IElementProperties pElemProps = pElement as IElementProperties;
if (pElemProps.Name == sName)
{
pGCon.DeleteElement(pElement);
pGCon.Reset();
}
pElement = pGCon.Next() as IElement;
}
}
catch { }
}
private void btnQuery_Click(object sender, EventArgs e)
{
QueryGeometry = AxMapCtrlHis.Extent;
string sSQL = createSql();
//RefreshQueryGrid(sSQL);
pGra = AxMapCtrlHis.Map as IGraphicsContainer;
if (pEleEnv != null)
{
try
{
pGra.DeleteElement(pEleEnv);
}
catch { }
}
pEleEnv = null;
//DataGridViewRow row = dataGridViewX1.Rows[e.RowIndex];
//if (row == null) return;
//if (row.Tag == null) return;
//string sPrjID = row.Tag.ToString();
//m_sCurPrjName = row.Cells["ColPrjName"].Value.ToString();
string sDataUpDate = this.dTimePost.Value.ToString("yyyy-MM-dd HH:mm:ss");
setMapLyrsDefinitionOfHPeriod(sDataUpDate);
//ModHistory.ZoomToCaseArea(this.PrjEnvelope, AxMapCtrlHis.Map, sPrjID);
//pEleEnv = new LineElementClass();
//IGeometry pGeo = getEnvGeometry(sPrjID);
//ITopologicalOperator pTO = pGeo as ITopologicalOperator;
//IGeometry pOutLine = pTO.Boundary;
//if (pGeo == null)
// return;
//pEleEnv.Geometry = pOutLine;
//(pEleEnv as ILineElement).Symbol = getSymbol();
//pGra.AddElement(pEleEnv, 0);
//AxMapCtrlHis.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private void btnOK_Click(object sender, EventArgs e)
{
if (!string.IsNullOrEmpty(txtFileRoute.Text))
{
lblInfo.Visible = true;
}
this.Refresh();
Application.DoEvents();
Deal();
this.Refresh();
txtFileRoute.Text = "";
if (m_pElement != null)
{
IGraphicsContainer pGraphicsContainer = (IGraphicsContainer)m_pMap;
IActiveView pActiveView = (IActiveView)m_pMap;
pGraphicsContainer.DeleteElement(m_pElement);
pActiveView.Refresh();
m_pElement = null;
}
}
/// <summary>
/// Method used to remove graphics from the graphics container
/// Elements are tagged with a GUID on the IElementProperties.Name property
/// </summary>
/// <param name="gc">map graphics container</param>
/// <param name="list">list of GUIDs to remove</param>
internal void RemoveGraphics(IGraphicsContainer gc, List <AMGraphic> list)
{
if (gc == null || !list.Any())
{
return;
}
var elementList = new List <IElement>();
gc.Reset();
var element = gc.Next();
while (element != null)
{
var eleProps = element as IElementProperties;
if (list.Any(g => g.UniqueId == eleProps.Name))
{
elementList.Add(element);
}
element = gc.Next();
}
foreach (var ele in elementList)
{
gc.DeleteElement(ele);
}
// remove from master graphics list
foreach (var graphic in list)
{
if (GraphicsList.Contains(graphic))
{
GraphicsList.Remove(graphic);
}
}
elementList.Clear();
RaisePropertyChanged(() => HasMapGraphics);
}
private void clearGraphics()
{
IGraphicsContainer graphicsContainer = (IGraphicsContainer)map;
foreach (IElement grp in graphics)
{
if (grp == null)
{
break;
}
//grp.Locked = false;
try
{
graphicsContainer.DeleteElement(grp);
}
catch (Exception)
{
Console.Write("Element was already deleted");
}
}
graphics.Clear();
}
private void syn(AxPageLayoutControl mainlayoutControl)
{
IObjectCopy objectcopy = new ObjectCopyClass();
object tocopymap = mainlayoutControl.ActiveView.GraphicsContainer; //获取mapcontrol中的map 这个是原始的
object copiedmap = objectcopy.Copy(tocopymap); //复制一份map，是一个副本
object tooverwritemap = PrintPagelayoutControl.ActiveView.GraphicsContainer; //IActiveView.FocusMap : The map that tools and controls act on. 控件和工具作用的地图，大概是当前地图吧！！！
objectcopy.Overwrite(copiedmap, ref tooverwritemap);
System.Runtime.InteropServices.Marshal.ReleaseComObject(objectcopy);
IGraphicsContainer mainGraphCon = tooverwritemap as IGraphicsContainer;
mainGraphCon.Reset();
IElement pElement = mainGraphCon.Next();
IArray pArray = new ArrayClass();
while (pElement != null)
{
pArray.Add(pElement);
pElement = mainGraphCon.Next();
}
int pElementCount = pArray.Count;
IPageLayout PrintPageLayout = PrintPagelayoutControl.PageLayout;
IGraphicsContainer PrintGraphCon = PrintPageLayout as IGraphicsContainer;
PrintGraphCon.Reset();
IElement pPrintElement = PrintGraphCon.Next();
while (pPrintElement != null)
{
PrintGraphCon.DeleteElement(pPrintElement);
pPrintElement = PrintGraphCon.Next();
}
for (int i = 0; i < pArray.Count; i++)
{
PrintGraphCon.AddElement(pArray.get_Element(pElementCount - 1 - i) as IElement, 0);
}
PrintPagelayoutControl.Refresh();
}
/// <summary>
/// 移除图元
/// </summary>
/// <param name="element">要移除的图元对象</param>
/// <param name="layer">图元所在的图层</param>
/// <returns></returns>
public bool RemoveElement(IMFElement element, ILayer layer)
{
if (element == null)
{
return(true);
}
IGraphicsContainer graphicsLayer = layer as IGraphicsContainer;
if (graphicsLayer == null)
{
return(true);
}
Polygon_ArcGlobe polygonElement = element as Polygon_ArcGlobe;
if (polygonElement.Rasterize)
{
polygonElement.Rasterize = false;
}
graphicsLayer.DeleteElement(polygonElement);
return(true);
}
private void CheckClosing(object sender, FormClosingEventArgs e) //窗体关闭事件
{
//检查属性值是否有错误
typeValue = (sender as CheckForm).comboBox1.Text;
bool OverlapsOrContains = IsOverlaps(pGeometry, typeValue.Trim());
if (OverlapsOrContains)
{
DialogResult dr = MessageBox.Show("是否保留绘制的图形？\n选择 “确定”，则保留绘制图形并为 Type 赋值为 “空”，\n选择 “取消”，则删除绘制图形！",
"警告", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
if (dr == DialogResult.Cancel)
{
pFeature.Delete();
IGraphicsContainer pGC = axMapControl1.Map as IGraphicsContainer;
pGC.DeleteElement(pElement);
axMapControl1.ActiveView.Refresh();
}
else if (dr == DialogResult.OK)
{
pFeature.set_Value(pFeature.Fields.FindField("Type"), "空");
}
}
}
//删除布局视图上的地图元素
public void deleteElement(string eleName)
{
Dictionary <string, string> dict = new Dictionary <string, string>();
dict.Add("ScaleBar", "比例尺");
dict.Add("Legend", "图例");
dict.Add("NorthArrow", "指北针");
IActiveView pActiveView = axPageLayoutControl1.PageLayout as IActiveView;
IMap pMap = pActiveView.FocusMap as IMap;
IGraphicsContainer pGraphicsContainer = pActiveView as IGraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(pMap) as IMapFrame;
IElement pDeletElement = axPageLayoutControl1.FindElementByName(eleName);//获取PageLayout中的图例元素
if (pDeletElement != null)
{
pGraphicsContainer.DeleteElement(pDeletElement); //如果已经存在指北针，删除已经存在的指北针
}
else
{
MessageBox.Show("当前不存在" + dict[eleName]);
return;
}
}
private void 添加指北针ToolStripMenuItem_Click(object sender, EventArgs e)
{
IActiveView pActiveView = axPageLayoutControl1.PageLayout as IActiveView;
IMap pMap = pActiveView.FocusMap as IMap;
IGraphicsContainer pGraphicsContainer = pActiveView as IGraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(pMap) as IMapFrame;
IMapSurround pMapSurround;
INorthArrow pNorthArrow;
pNorthArrow = new MarkerNorthArrowClass();
pMapSurround = pNorthArrow;
pMapSurround.Name = "NorthArrow";
//定义UID
UID uid = new UIDClass();
uid.Value = "esriCarto.MarkerNorthArrow";
//定义MapSurroundFrame对象
IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(uid, null);
pMapSurroundFrame.MapSurround = pMapSurround;
IElement pDeletElement = axPageLayoutControl1.FindElementByName("NorthArrow");//获取PageLayout中的图例元素
if (pDeletElement != null)
{
pGraphicsContainer.DeleteElement(pDeletElement); //如果已经存在指北针，删除已经存在的指北针
}
//定义Envelope设置Element摆放的位置
IEnvelope pEnvelope = new EnvelopeClass();
pEnvelope.PutCoords(16, 24, 21, 32);
IElement pElement = pMapSurroundFrame as IElement;
pElement.Geometry = pEnvelope;
pGraphicsContainer.AddElement(pElement, 0);
//刷新axPageLayoutControl1的内容
axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
public void Undo()
{
this.ienumElement_0.Reset();
IElement element = this.ienumElement_0.Next();
IGraphicsContainer graphicsContainer = this.iactiveView_0.GraphicsContainer;
IGraphicsContainerSelect graphicsContainerSelect = graphicsContainer as IGraphicsContainerSelect;
graphicsContainerSelect.UnselectAllElements();
while (element != null)
{
if (element is IGroupElement)
{
IEnumElement elements = (element as IGroupElement).Elements;
elements.Reset();
for (IElement i = elements.Next(); i != null; i = elements.Next())
{
graphicsContainer.DeleteElement(i);
}
graphicsContainer.AddElement(element, -1);
graphicsContainerSelect.SelectElement(element);
}
element = this.ienumElement_0.Next();
}
}
private bool UseTemplateMxtToPageLayout(AxPageLayoutControl mainPageLayoutControl, string sTemplatePath)
{
bool success = false;
try
{
IMap map = null;
IActiveView activeView = null;
IPageLayout curPageLayout = mainPageLayoutControl.PageLayout;
activeView = curPageLayout as IActiveView;
map = activeView.FocusMap;
// 读取模板
IMapDocument tempMapDocument = new MapDocumentClass();
tempMapDocument.Open(sTemplatePath, "");
IPageLayout tempPageLayout = tempMapDocument.PageLayout;
IPage tempPage = tempPageLayout.Page;
IPage curPage = curPageLayout.Page;
// 替换单位及地图方向
curPage.Orientation = tempPage.Orientation;
curPage.Units = tempPage.Units;
// 替换页面尺寸
Double width, height;
tempPage.QuerySize(out width, out height);
curPage.PutCustomSize(width, height);
// 删除当前layout中除了mapframe外所有element
IGraphicsContainer graphicsContainer = curPageLayout as IGraphicsContainer;
graphicsContainer.Reset();
IElement element = graphicsContainer.Next();
IMapFrame mapFrame = null;
mapFrame = graphicsContainer.FindFrame(map) as IMapFrame;
while (element != null)
{
if (element is IMapFrame)
{
mapFrame = element as IMapFrame;
}
else
{
graphicsContainer.DeleteElement(element);
graphicsContainer.Reset();
}
element = graphicsContainer.Next();
}
// 遍历模板中的PageLayout所有元素，替换当前PageLayout的所有元素
IGraphicsContainer tempGraphicsContainer = tempPageLayout as IGraphicsContainer;
tempGraphicsContainer.Reset();
IArray array = new ArrayClass();
while (element != null)
{
if (element is IMapFrame)
{
IElement mapFrameElement = mapFrame as IElement;
mapFrameElement.Geometry = element.Geometry;
}
else
{
if (element is IMapSurroundFrame)
{
IMapSurroundFrame mapSurroundFrame = element as IMapSurroundFrame;
mapSurroundFrame.MapFrame = mapFrame;
IMapSurround tempMapSurround = mapSurroundFrame.MapSurround;
}
array.Add(element);
}
element = tempGraphicsContainer.Next();
}
int elementCount = array.Count;
for (int i = 0; i < array.Count; i++)
{
graphicsContainer.AddElement(array.get_Element(elementCount - 1 - i) as IElement, 0);
}
activeView.Refresh();
success = true;
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
return(success);
}
/// <summary>
/// 获得自定义多边形
/// </summary>
/// <param name="Button"></param>
/// <param name="Shift"></param>
/// <param name="X"></param>
/// <param name="Y"></param>
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
IMapControl4 mapControl = null;
if (_hookHelper != null)
{
mapControl = (IMapControl4)_hookHelper.Hook;
_polygon = (IPolygon)mapControl.TrackPolygon();
}
if (_polygon != null)
{
if (_polygon.IsEmpty == false)
{
IMap map = _hookHelper.FocusMap;
IGraphicsContainer graphicsContainer = (IGraphicsContainer)map;
IActiveView activeView = (IActiveView)map;
if (_element != null)
{
graphicsContainer.DeleteElement(_element);
activeView.Refresh();
}
IRgbColor color = new RgbColor();
color.Red = 255;
color.Green = 255;
color.Blue = 0;
IMarkerLineSymbol markerLineSymbol = new MarkerLineSymbol();
markerLineSymbol.Color = color;
markerLineSymbol.Width = 2;
ISimpleFillSymbol simpleFillSym = new SimpleFillSymbol();
simpleFillSym.Style = esriSimpleFillStyle.esriSFSHollow;
simpleFillSym.Outline = markerLineSymbol;
IFillShapeElement polygonElement = new PolygonElementClass();
polygonElement.Symbol = simpleFillSym;
_element = (IElement)polygonElement;
_element.Geometry = _polygon;
graphicsContainer.AddElement(_element, 0);
activeView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
//传值
if (_frmPolygonExtract.IsDisposed)
{
_frmPolygonExtract = new FrmPolygonExtract();
}
_frmPolygonExtract.Map = _hookHelper.FocusMap;
_frmPolygonExtract.MapControl = (IMapControl4)_hookHelper.Hook;
_frmPolygonExtract.Geometry = _polygon;
_frmPolygonExtract.Element = _element;
_frmPolygonExtract.ShowDialog();
}
else
{
MessageBoxEx.Show("画出的几何图象是空的！", "提示");
}
}
else
{
return;
}
mapControl.CurrentTool = null;
_element = null;
}
/// <summary>
/// Method used to remove graphics from the graphics container
/// Elements are tagged with a GUID on the IElementProperties.Name property
/// </summary>
/// <param name="gc">map graphics container</param>
/// <param name="list">list of GUIDs to remove</param>
internal void RemoveGraphics(IGraphicsContainer gc, List<string> list)
{
if (gc == null || !list.Any())
return;
var elementList = new List<IElement>();
gc.Reset();
var element = gc.Next();
while (element != null)
{
var eleProps = element as IElementProperties;
if (list.Contains(eleProps.Name))
{
elementList.Add(element);
}
element = gc.Next();
}
foreach (var ele in elementList)
{
gc.DeleteElement(ele);
}
list.Clear();
elementList.Clear();
RaisePropertyChanged(() => HasMapGraphics);
}
// 添加图例
private void AddLegend()
{
IActiveView pActiveView = axPageLayoutControl_main.ActiveView;
IGraphicsContainer pGC = axPageLayoutControl_main.PageLayout as IGraphicsContainer;
UID pUID = new UIDClass()
{
Value = "esriCarto.Legend"
};
IMapFrame pMapFrame = pGC.FindFrame(pActiveView.FocusMap) as IMapFrame;
// 根据唯一标识符，创建与之对应的MapSurroundFrame
IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pUID, null);
// 检查PageLayout中是否已有图例（有则删除）
IElement pDelElement = axPageLayoutControl_main.FindElementByName("Legend");
if (pDelElement != null)
{
pGC.DeleteElement(pDelElement);
}
// 设置MapSurroundFrame背景
ISymbolBackground pSymbolBackground = new SymbolBackgroundClass()
{
FillSymbol = new SimpleFillSymbolClass()
{
Color = GetRgbColor(240, 240, 240),
Outline = new SimpleLineSymbolClass()
{
Color = GetRgbColor(0, 0, 0),
Width = 1
}
}
};
pMapSurroundFrame.Background = pSymbolBackground;
// 添加图例
IElement pElement = pMapSurroundFrame as IElement;
IEnvelope pEnv = axPageLayoutControl_main.Extent;
pEnv.XMin += 2;
pEnv.YMin += 3;
pElement.Geometry = pEnv;
IMapSurround pMapSurround = pMapSurroundFrame.MapSurround;
ILegend pLegend = pMapSurround as ILegend;
pLegend.ClearItems();
pLegend.Title = "图例";
for (int i = 0; i < pActiveView.FocusMap.LayerCount; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass()
{
Layer = pActiveView.FocusMap.get_Layer(i),
ShowDescriptions = false,
Columns = 1,
ShowHeading = true,
ShowLabels = true
};
pLegend.AddItem(pLegendItem);
}
pGC.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private bool zoomToQuery(string query, int count, Double zoom)
{
List <datacontract.locationResult> loc = adresLocation.getAdresLocation(query, count);
if (loc.Count > 0)
{
IPoint leftXY = new ESRI.ArcGIS.Geometry.Point()
{
X = loc[0].BoundingBox.LowerLeft.Lon_WGS84,
Y = loc[0].BoundingBox.LowerLeft.Lat_WGS84,
SpatialReference = wgs
};
IPoint toleftXY = geopuntHelper.Transform(leftXY as IGeometry, map.SpatialReference) as IPoint;
IPoint rightXY = new ESRI.ArcGIS.Geometry.Point()
{
X = loc[0].BoundingBox.UpperRight.Lon_WGS84,
Y = loc[0].BoundingBox.UpperRight.Lat_WGS84,
SpatialReference = wgs
};
IPoint torightXY = geopuntHelper.Transform(rightXY as IGeometry, map.SpatialReference) as IPoint;
IEnvelope bbox = geopuntHelper.makeExtend(toleftXY.X, toleftXY.Y, torightXY.X, torightXY.Y,
map.SpatialReference);
IPoint XY = new ESRI.ArcGIS.Geometry.Point()
{
X = loc[0].Location.Lon_WGS84,
Y = loc[0].Location.Lat_WGS84,
SpatialReference = wgs
};
IPoint toXY = geopuntHelper.Transform(XY as IGeometry, map.SpatialReference) as IPoint;
//create a graphic
IRgbColor rgb = new RgbColorClass()
{
Red = 255, Blue = 255, Green = 0
};
if (graphic != null)
{
IGraphicsContainer grpCont = (IGraphicsContainer)map;
grpCont.DeleteElement(graphic);
graphic = null;
}
graphic = geopuntHelper.AddGraphicToMap(map, toXY, rgb,
new RgbColorClass()
{
Red = 0, Blue = 0, Green = 0
}, 8, true);
infoLabel.Text = geopuntHelper.adresTypeStringTranslate(loc[0].LocationType);
map.MapScale = 1000;
view.Extent = bbox;
geopuntHelper.ZoomByRatioAndRecenter(view, 1, toXY.X, toXY.Y);
view.Refresh();
return(true);
}
else
{
return(false);
}
}
private void button_dress_Click(object sender, EventArgs e)
{
//获取axPageLayoutControl1的图形容器
IGraphicsContainer graphicsContainer =
axPageLayoutControl1.GraphicsContainer;
//获取axPageLayoutControl1空间里面显示的地图图层
IMapFrame mapFrame =
(IMapFrame)graphicsContainer.FindFrame(axPageLayoutControl1.ActiveView.FocusMap);
if (mapFrame == null)
{
return;
}
//--------------创建图例------------
UID uID = new UIDClass(); //创建UID作为该图例的唯一标识符，方便创建之后进行删除、移动等操作
uID.Value = "esriCarto.Legend";
IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uID, null);
if (mapSurroundFrame == null)
{
return;
}
if (mapSurroundFrame.MapSurround == null)
{
return;
}
mapSurroundFrame.MapSurround.Name = "图例";
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords(16, 2, 18, 7);//设置图例摆放位置（原点在axPageLayoutControl左下角）
IElement element = (IElement)mapSurroundFrame;
element.Geometry = envelope;
//将图例转化为几何要素添加到axPageLayoutControl1,并刷新页面显示
axPageLayoutControl1.AddElement(element, Type.Missing, Type.Missing,
"Legend", 0);
axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null,
null);
//-----------设置指北针--------
IMapSurround pMapSurround;
INorthArrow pNorthArrow;
pNorthArrow = new MarkerNorthArrowClass();//创建指北针的实例
pMapSurround = pNorthArrow;
pMapSurround.Name = "NorthArrow";
//定义UID
UID uid = new UIDClass();
uid.Value = "esriCarto.MarkerNorthArrow";
//定义MapSurroundFrame对象
IMapSurroundFrame pMapSurroundFrame = mapFrame.CreateSurroundFrame(uid, null);
pMapSurroundFrame.MapSurround = pMapSurround;
IElement pDeletElement = axPageLayoutControl1.FindElementByName("NorthArrow");//获取PageLayout中的图例元素
if (pDeletElement != null)
{
graphicsContainer.DeleteElement(pDeletElement); //如果已经存在指北针，删除已经存在的指北针
}
//定义Envelope设置Element摆放的位置
IEnvelope pEnvelope = new EnvelopeClass();
pEnvelope.PutCoords(16, 24, 21, 32);
IElement pElement = pMapSurroundFrame as IElement;
pElement.Geometry = pEnvelope;
graphicsContainer.AddElement(pElement, 0);
//刷新axPageLayoutControl1的内容
axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
//-----------设置比例尺------------
IActiveView pActiveView = axPageLayoutControl1.PageLayout as IActiveView;
IMap pMap = pActiveView.FocusMap as IMap;
IGraphicsContainer pGraphicsContainer = pActiveView as IGraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(pMap) as IMapFrame;
//IMapSurround pMapSurround;
//设置比例尺样式
IScaleBar pScaleBar = new ScaleLineClass();
pScaleBar.Units = esriUnits.esriKilometers;
pScaleBar.Divisions = 4;
pScaleBar.Subdivisions = 3;
pScaleBar.DivisionsBeforeZero = 0;
pScaleBar.UnitLabel = "km";
pScaleBar.LabelPosition = esriVertPosEnum.esriBelow;
pScaleBar.LabelGap = 3.6;
pScaleBar.LabelFrequency = esriScaleBarFrequency.esriScaleBarDivisionsAndFirstMidpoint;
pScaleBar.LabelPosition = esriVertPosEnum.esriBelow;
ITextSymbol pTextsymbol = new TextSymbolClass();
pTextsymbol.Size = 1;
stdole.StdFont pFont = new stdole.StdFont();
pFont.Size = 3;
pFont.Name = "Arial";
pTextsymbol.Font = pFont as stdole.IFontDisp;
pTextsymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
pScaleBar.UnitLabelSymbol = pTextsymbol;
pScaleBar.LabelSymbol = pTextsymbol;
INumericFormat pNumericFormat = new NumericFormatClass();
pNumericFormat.AlignmentWidth = 0;
pNumericFormat.RoundingOption = esriRoundingOptionEnum.esriRoundNumberOfSignificantDigits;
pNumericFormat.RoundingValue = 0;
pNumericFormat.UseSeparator = true;
pNumericFormat.ShowPlusSign = false;
//定义UID
pMapSurround = pScaleBar;
pMapSurround.Name = "ScaleBar";
// UID uid = new UIDClass();
uid.Value = "esriCarto.ScaleLine";
//定义MapSurroundFrame对象IMapSurroundFrame
pMapSurroundFrame = pMapFrame.CreateSurroundFrame(uid, null);
pMapSurroundFrame.MapSurround = pMapSurround;
//定义Envelope设置Element摆放的位置
//IEnvelope pEnvelope = new EnvelopeClass();
pEnvelope.PutCoords(8, 2, 14, 4); //IElement
pElement = pMapSurroundFrame as IElement;
pElement.Geometry = pEnvelope; //IElement
pDeletElement = axPageLayoutControl1.FindElementByName("ScaleBar"); //获取PageLayout中的比例尺元素
if (pDeletElement != null)
{
pGraphicsContainer.DeleteElement(pDeletElement); //如果已经存在比例尺，删除已经存在的比例尺
}
pGraphicsContainer.AddElement(pElement, 0);
//刷新axPageLayoutControl1的内容
axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
//---------------添加标题-------------
//IGraphicsContainer graphicsContainer = axPageStation.PageLayout as IGraphicsContainer;
//IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords(-14, 26, 35, 26);
IRgbColor pColor = new RgbColorClass()
{
Red = 0,
Blue = 0,
Green = 0
};
pFont.Name = "宋体";
pFont.Bold = true;
ITextSymbol pTextSymbol = new TextSymbolClass()
{
Color = pColor,
//Font = pFont,
Size = 30
};
ITextElement pTextElement = new TextElementClass()
{
Symbol = pTextSymbol,
ScaleText = true,
Text = "盗墓难度专题图"
};
element = pTextElement as ESRI.ArcGIS.Carto.IElement;
element.Geometry = envelope;
graphicsContainer.AddElement(element, 0);
axPageLayoutControl1.Refresh();
}
//点击地图框事件
private void axPageLayoutControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.IPageLayoutControlEvents_OnMouseDownEvent e)
{
if (e.button == 1)
{
IPageLayout pPageLayout = axPageLayoutControl1.PageLayout;;
IGraphicsContainer pGraphicsContainer = pPageLayout as IGraphicsContainer;
IActiveView pActiveView = pPageLayout as IActiveView;
IMapFrame pMapFrame;
IMapSurroundFrame pMapSurroundFrame;
IElement pElement;
switch (tag)
{
#region 添加标题
case 1:
ITextElement pTextElement = new TextElementClass();
pTextElement.Text = title;
pTextElement.Symbol = pTextSymbol;
pElement = pTextElement as IElement;
try
{
pElement.Geometry = axPageLayoutControl1.TrackRectangle();
}
catch
{
MessageBox.Show("请拉框选择范围!", "提示");
return;
}
pGraphicsContainer.AddElement(pElement, 0);
axPageLayoutControl1.Refresh();
tag = 0;
break;
#endregion
#region 添加图例
case 2:
pLegend2 = new LegendClass_2();
pElement = axPageLayoutControl1.FindElementByName("legend");
if (pElement != null)
{
pGraphicsContainer.DeleteElement(pElement);
}
pElementTypeName = "lenend";
pUid = new UIDClass();
pUid.Value = "esriCato.Legend";
if (pGraphicsContainer == null)
{
return;
}
pMapSurround = pLegend2 as IMapSurround;
pMapSurround.Map = pActiveView.FocusMap;
pMapFrame = pGraphicsContainer.FindFrame(pActiveView.FocusMap) as IMapFrame;
if (pMapFrame == null)
{
return;
}
pMapSurroundFrame = new MapSurroundFrameClass();
pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pUid, null);
pMapSurroundFrame.MapSurround = pMapSurround;
pMapSurroundFrame.MapSurround.Name = pElementTypeName;
pMapSurroundFrame.MapFrame = pMapFrame;
pElement = pMapSurroundFrame as IElement;
try
{
pElement.Geometry = axPageLayoutControl1.TrackRectangle();
}
catch
{
MessageBox.Show("请拉框选择范围!", "提示");
return;
}
pElement.Activate(pActiveView.ScreenDisplay);
pElement.Draw(pActiveView.ScreenDisplay, null);
pGraphicsContainer.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
//图例标题字体样式
pLegend2.Title = "图例";
pTitltFont.Name = "黑体";
pTitltFont.Bold = true;
pTitltFont.Size = 16;
pTitltTextSymbol.Color = ColorToIColor(Color.Black);
pTitltTextSymbol.Font = pTitltFont;
pLenendFormat.TitleSymbol = pTitltTextSymbol;
//图例图层名字体样式
pLayerFont.Name = "仿宋_GB2312";
pLayerFont.Size = 13;
pLayerTextSymbol.Font = pLayerFont;
//图例标签字体样式
pLabelFont.Name = "仿宋_GB2312";
pLabelFont.Size = 13;
pLabelTextSymbol.Font = pLayerFont;
for (int i = 0; i < pLenendItemsString.Count; i++)
{
for (int j = 0; j < pLegend2.ItemCount; j++)
{
if (pLenendItemsString[i].ToString() == pLegend2.get_Item(j).Layer.Name)
{
pLegend2.RemoveItem(j);
}
}
}
pLegend2.AdjustColumns(pColumnCount);
pLegend2.Refresh();
tag = 0;
break;
#endregion
#region 添加指北针
case 3:
if (pGraphicsContainer == null)
{
return;
}
pElement = axPageLayoutControl1.FindElementByName("northarrow");
if (pElement != null)
{
pGraphicsContainer.DeleteElement(pElement);
}
pElementTypeName = "northarrow";
pUid = new UIDClass();
pUid.Value = "esriCato.MarkerNorthArrow";
pMapFrame = pGraphicsContainer.FindFrame(pActiveView.FocusMap) as IMapFrame;
pMapSurroundFrame = new MapSurroundFrameClass();
pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pUid, null);
pMapSurroundFrame.MapSurround = pNorthArrowStyleGalleryItem.Item as IMapSurround;
pElement = pMapSurroundFrame as IElement;
try
{
pElement.Geometry = axPageLayoutControl1.TrackRectangle();
}
catch
{
MessageBox.Show("请拉框选择范围!", "提示");
return;
}
pGraphicsContainer.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
tag = 0;
break;
#endregion
#region 添加比例尺
case 4:
if (pGraphicsContainer == null)
{
return;
}
pElement = axPageLayoutControl1.FindElementByName("scalebar");
if (pElement != null)
{
pGraphicsContainer.DeleteElement(pElement);
}
IScaleBar pScaleBar;
pScaleBar = pScaleStyleGalleryItem.Item as IScaleBar;
pScaleBar.Units = esriUnits.esriKilometers;
pScaleBar.UnitLabel = " KM";
pElementTypeName = "scalebar";
pUid = new UIDClass();
pUid.Value = "esriCato.AlternatingScaleBar";
pMapFrame = pGraphicsContainer.FindFrame(pActiveView.FocusMap) as IMapFrame;
pMapSurroundFrame = new MapSurroundFrameClass();
pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pUid, null);
pMapSurroundFrame.MapSurround = pScaleStyleGalleryItem.Item as IMapSurround;
pElement = pMapSurroundFrame as IElement;
try
{
pElement.Geometry = axPageLayoutControl1.TrackRectangle();
}
catch
{
MessageBox.Show("请拉框选择范围!", "提示");
}
pGraphicsContainer.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
tag = 0;
break;
#endregion
}
}
}
private void axMapControl1_OnDoubleClick(object sender, IMapControlEvents2_OnDoubleClickEvent e)
{
//当“添加polygon”被勾选时，结束polygon的绘制
if (miAddPolygon.Checked)
{
//结束反馈
IPolygon p_polygon = ((INewPolygonFeedback)m_DisplayFeedback).Stop();
//当多边形不为空
if (p_polygon != null)
{
//IGraphicsContainer转换接口，用于在当前地图存放多边形
m_graphicsContainer = (IGraphicsContainer)(axMapControl1.Map);
IActiveView p_activeView = axMapControl1.Map as IActiveView;
IScreenDisplay screenDisplay = p_activeView.ScreenDisplay;
//设置多边形的符号
ISimpleFillSymbol p_simpleFillSymbol = new SimpleFillSymbolClass();
IRgbColor p_rgbColor = new RgbColorClass();
p_rgbColor.Red = 255;
p_rgbColor.Green = 255;
IColor p_color = p_rgbColor;
p_color.Transparency = 0;
p_simpleFillSymbol.Color = p_color;
//新建element对象存放多边形
IPolygonElement p_polygonElement = new PolygonElementClass();
IElement p_element = (IElement)p_polygonElement;
//将多边形以element的形式储存在graphisContainer中
if (p_element != null)
{
p_element.Geometry = p_polygon;
IFillShapeElement pFillShapeElement = p_element as IFillShapeElement;
pFillShapeElement.Symbol = p_simpleFillSymbol;
m_graphicsContainer.AddElement(p_element, 0);
}
//更改标记符为零
m_marker = 0;
//取消勾选“添加polygon”
miAddPolygon.Checked = false;
if (m_element_red != null)
{
m_graphicsContainer.DeleteElement(m_element_red);
}
if (m_element_green != null)
{
m_graphicsContainer.DeleteElement(m_element_green);
}
m_polyline = new PolylineClass();
m_point = new PointClass();
m_element_red = null;
m_element_green = null;
p_activeView.Refresh();
}
//如果多边形为空，初始化所有变量
else
{
if (m_element_red != null)
{
m_graphicsContainer.DeleteElement(m_element_red);
}
if (m_element_green != null)
{
m_graphicsContainer.DeleteElement(m_element_green);
}
m_hitElement = null;
m_DisplayFeedback = null;
m_marker = 0;
m_polyline = new PolylineClass();
m_point = new PointClass();
m_element_red = null;
m_element_green = null;
axMapControl1.ActiveView.Refresh();
}
}
}
/// <summary>
/// Method used to remove graphics from the graphics container
/// Elements are tagged with a GUID on the IElementProperties.Name property
/// Removes graphics from all tabs, not just the tab that is currently active
/// </summary>
private void RemoveGraphics(IGraphicsContainer gc, bool removeOnlyTemporary)
{
if (gc == null || !GraphicsList.Any())
return;
// keep track of the graphics that we need to remove from the GraphicsList
List<Graphic> removedGraphics = new List<Graphic>();
var elementList = new List<IElement>();
gc.Reset();
var element = gc.Next();
while (element != null)
{
var eleProps = element as IElementProperties;
foreach (Graphic graphic in GraphicsList)
{
if (graphic.UniqueId.Equals(eleProps.Name))
{
if (graphic.IsTemp == removeOnlyTemporary)
{
elementList.Add(element);
removedGraphics.Add(graphic);
}
break;
}
}
element = gc.Next();
}
foreach (var ele in elementList)
{
gc.DeleteElement(ele);
}
// clean up the GraphicsList and remove the necessary graphics from it
foreach (Graphic graphic in removedGraphics)
{
GraphicsList.Remove(graphic);
}
elementList.Clear();
RaisePropertyChanged(() => HasMapGraphics);
}
private void 添加比例尺ToolStripMenuItem_Click(object sender, EventArgs e)
{
IActiveView pActiveView = axPageLayoutControl1.PageLayout as IActiveView;
IMap pMap = pActiveView.FocusMap as IMap;
IGraphicsContainer pGraphicsContainer = pActiveView as IGraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(pMap) as IMapFrame;
IMapSurround pMapSurround;
//设置比例尺样式
IScaleBar pScaleBar = new ScaleLineClass();
pScaleBar.Units = esriUnits.esriKilometers;
pScaleBar.Divisions = 4;
pScaleBar.Subdivisions = 3;
pScaleBar.DivisionsBeforeZero = 0;
pScaleBar.UnitLabel = "km";
pScaleBar.LabelPosition = esriVertPosEnum.esriBelow;
pScaleBar.LabelGap = 3.6;
pScaleBar.LabelFrequency = esriScaleBarFrequency.esriScaleBarDivisionsAndFirstMidpoint;
pScaleBar.LabelPosition = esriVertPosEnum.esriBelow;
ITextSymbol pTextsymbol = new TextSymbolClass();
pTextsymbol.Size = 1;
stdole.StdFont pFont = new stdole.StdFont();
pFont.Size = 3;
pFont.Name = "Arial";
pTextsymbol.Font = pFont as stdole.IFontDisp;
pTextsymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
pScaleBar.UnitLabelSymbol = pTextsymbol;
pScaleBar.LabelSymbol = pTextsymbol;
INumericFormat pNumericFormat = new NumericFormatClass();
pNumericFormat.AlignmentWidth = 0;
pNumericFormat.RoundingOption = esriRoundingOptionEnum.esriRoundNumberOfSignificantDigits;
pNumericFormat.RoundingValue = 0;
pNumericFormat.UseSeparator = true;
pNumericFormat.ShowPlusSign = false;
//定义UID
pMapSurround = pScaleBar;
pMapSurround.Name = "ScaleBar";
UID uid = new UIDClass();
uid.Value = "esriCarto.ScaleLine";
//定义MapSurroundFrame对象
IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(uid, null);
pMapSurroundFrame.MapSurround = pMapSurround;
//定义Envelope设置Element摆放的位置
IEnvelope pEnvelope = new EnvelopeClass();
pEnvelope.PutCoords(8, 5, 14, 7);
IElement pElement = pMapSurroundFrame as IElement;
pElement.Geometry = pEnvelope;
IElement pDeletElement = axPageLayoutControl1.FindElementByName("ScaleBar");//获取PageLayout中的比例尺元素
if (pDeletElement != null)
{
pGraphicsContainer.DeleteElement(pDeletElement); //如果已经存在比例尺，删除已经存在的比例尺
}
pGraphicsContainer.AddElement(pElement, 0);
//刷新axPageLayoutControl1的内容
axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
if (e.button == 1)
{
//给m_graphicsContainer赋值
m_graphicsContainer = axMapControl1.Map as IGraphicsContainer;
//在添加polygon被选中时
if (miAddPolygon.Checked)
{
//在鼠标点击的位置生成一个点
IPoint p_Point = new PointClass();
p_Point.PutCoords(e.mapX, e.mapY);
IActiveView p_activeview = axMapControl1.Map as IActiveView;
IScreenDisplay p_ScreenDisplay = p_activeview.ScreenDisplay;
//标记符等于0时
if (m_marker == 0)
{
//对m_DisplayFeedback重新初始化
m_DisplayFeedback = new NewPolygonFeedbackClass();
//设置m_DisplayFeedback的display
m_DisplayFeedback.Display = p_ScreenDisplay;
//开始绘制polygon的第一个点
((INewPolygonFeedback)m_DisplayFeedback).Start(p_Point);
//将m_polyline转为pointcollection
IPointCollection p_PointCollection = m_polyline as IPointCollection;
//将第一个点加入pointcollection中
p_PointCollection.AddPoint(p_Point);
//将第一个点记录到m_point中
m_point = p_Point;
//对m_polyline重新赋值
m_polyline = p_PointCollection as IPolyline;
if (m_marker == 0)
{
m_marker = 1;
}
//刷新
axMapControl1.ActiveView.Refresh();
}
//如果不是第一次点击,就添加节点
else
{
//初始化红线和蓝线
if (m_element_red != null)
{
m_graphicsContainer.DeleteElement(m_element_red);
}
if (m_element_green != null)
{
m_graphicsContainer.DeleteElement(m_element_green);
}
//向m_DisplayFeedback中添加顶点
((INewPolygonFeedback)m_DisplayFeedback).AddPoint(p_Point);
IPointCollection p_PointCollection = m_polyline as IPointCollection;
p_PointCollection.AddPoint(p_Point);
//生成红线
m_polyline = p_PointCollection as IPolyline;
ILineElement p_LineElement_red = new LineElementClass();
m_element_red = p_LineElement_red as IElement;
m_element_red.Geometry = m_polyline;
ISimpleLineSymbol p_SimpleLineSymbol = new SimpleLineSymbolClass();
IRgbColor p_rgbcolor = new RgbColorClass();
p_rgbcolor.Red = 255;
p_rgbcolor.Green = 0;
p_rgbcolor.Blue = 0;
p_SimpleLineSymbol.Color = p_rgbcolor as IColor;
p_LineElement_red.Symbol = p_SimpleLineSymbol as ILineSymbol;
//设置蓝线symbol
ISimpleLineSymbol p_SimpleLine_green = new SimpleLineSymbolClass();
IRgbColor p_rgbcolor_green = new RgbColorClass();
p_rgbcolor_green.Red = 0;
p_rgbcolor_green.Green = 255;
p_rgbcolor_green.Blue = 255;
p_SimpleLine_green.Color = p_rgbcolor_green as IColor;
//生成蓝线
IPolyline p_polyline = new PolylineClass();
IPointCollection p_pointColl_green = p_polyline as IPointCollection;
//向蓝线中添加两个顶点
p_pointColl_green.AddPoint(m_point);
p_pointColl_green.AddPoint(p_Point);
p_polyline = p_pointColl_green as IPolyline;
ILineElement p_LineElement_green = new LineElementClass();
m_element_green = p_LineElement_green as IElement;
p_LineElement_green.Symbol = p_SimpleLine_green as ILineSymbol;
m_element_green.Geometry = p_polyline;
//将红线和蓝线加入containner显示
m_graphicsContainer.AddElement(m_element_red, 0);
m_graphicsContainer.AddElement(m_element_green, 0);
//更新视图
axMapControl1.ActiveView.Refresh();
}
}
//当选择polygon被选中时
if (miSelectPolygon.Checked)
{
//如果m_list不为空，则从容器中把其所对应element删除并将m_list清空
if (m_list.Count != 0)
{
for (int i = 0; i < m_list.Count; i++)
{
m_graphicsContainer.DeleteElement(m_list[i]);
}
m_list.Clear();
}
//刷新
axMapControl1.ActiveView.Refresh();
IPoint p_point = new PointClass();
//记录点下的点
p_point.PutCoords(e.mapX, e.mapY);
//得到选中的element集合
IEnumElement p_EnumElement = m_graphicsContainer.LocateElements(p_point, 5);
IGeometry p_geometry;
//选中的element集合不为空时
if (p_EnumElement != null)
{
m_hitElement = p_EnumElement.Next();
p_geometry = m_hitElement.Geometry;
//循环找到类型为polygon的element
while (p_geometry.GeometryType != esriGeometryType.esriGeometryPolygon && m_hitElement != null)
{
m_hitElement = p_EnumElement.Next();
if (m_hitElement != null)
{
p_geometry = m_hitElement.Geometry;
}
}
if (p_geometry.GeometryType == esriGeometryType.esriGeometryPolygon)
{
m_polygon = (IPolygon)p_geometry;
m_PointColl = m_polygon as IPointCollection;
//循环将选中的polygon的每个点以element加入容器中
for (int k = 1; k < m_PointColl.PointCount; k++)
{
IMarkerElement p_MarkerElement = new MarkerElementClass();
ISimpleMarkerSymbol p_simpleMarker = new SimpleMarkerSymbolClass();
p_simpleMarker.Size = 5;
IElement p_element = (IElement)p_MarkerElement;
p_MarkerElement.Symbol = p_simpleMarker as IMarkerSymbol;
if (!(p_element == null))
{
p_element.Geometry = m_PointColl.get_Point(k);
m_graphicsContainer.AddElement(p_element, 0);
}
m_list.Add(p_element);
}
axMapControl1.ActiveView.Refresh();
}
}
}
//当编辑polygon被选中时
if (miEditPolygon.Checked)
{
if (m_polygon != null)
{
//在鼠标点击的位置生成一个点
IPoint p_Point = new PointClass();
p_Point.PutCoords(e.mapX, e.mapY);
IActiveView p_ActiveView = axMapControl1.Map as IActiveView;
IScreenDisplay p_ScreenDisplay = p_ActiveView.ScreenDisplay;
//建立新的hittest，设置相关变量，获取点击处polygon的顶点
IHitTest p_HitTest = m_polygon as IHitTest;
IPoint p_hitPoint = new PointClass();
double p_distance = 0;
bool p_isOnRightSide = true;
int p_hitPartIndex = 0;
int p_hitSegmentIndex = 0;
bool p_isHit = p_HitTest.HitTest(p_Point, this.axMapControl1.ActiveView.Extent.Width / 100, esriGeometryHitPartType.esriGeometryPartVertex, p_hitPoint, ref p_distance, ref p_hitPartIndex, ref p_hitSegmentIndex, ref p_isOnRightSide);
//如果有点被选中，开始拖动该点
if (p_isHit)
{
m_DisplayFeedback = new PolygonMovePointFeedbackClass();
m_marker = 2;
m_DisplayFeedback.Display = p_ScreenDisplay;
((IPolygonMovePointFeedback)m_DisplayFeedback).Start(m_polygon, p_hitSegmentIndex, p_Point);
}
}
}
}
}
public void LocateCheckError(IGeometry location)
{
IGeometry area = location;
if (location.GeometryType == esriGeometryType.esriGeometryPoint)
{
ITopologicalOperator topo = location as ITopologicalOperator;
IGeometry buffer = topo.Buffer(10);
area = buffer.Envelope;
this.axMapControl2.Extent = buffer.Envelope;
}
else
{
this.axMapControl2.Extent = location.Envelope;
}
IGraphicsContainer gcon = this.axMapControl2.ActiveView.GraphicsContainer;
if (m_ErrorLocation_ptn != null)
{
gcon.DeleteElement(m_ErrorLocation_ptn);
}
if (m_ErrorLocation_ln != null)
{
gcon.DeleteElement(m_ErrorLocation_ln);
}
if (m_ErrorLocation_poly != null)
{
gcon.DeleteElement(m_ErrorLocation_poly);
}
if (location.GeometryType == esriGeometryType.esriGeometryPoint)
{
IRgbColor color = new RgbColorClass();
color.Blue = 0;
color.Green = 0;
color.Red = 255;
ISimpleMarkerSymbol smsym = new SimpleMarkerSymbolClass();
smsym.Color = color as IColor;
smsym.Size = 10;
m_ErrorLocation_ptn = new MarkerElementClass();
IMarkerElement pelem = m_ErrorLocation_ptn as IMarkerElement;
pelem.Symbol = smsym as ISimpleMarkerSymbol;
m_ErrorLocation_ptn.Geometry = location as IGeometry;
gcon.AddElement(m_ErrorLocation_ptn, 0);
}
else if (location.GeometryType == esriGeometryType.esriGeometryPolyline)
{
IRgbColor color = new RgbColorClass();
color.Blue = 0;
color.Green = 0;
color.Red = 255;
ISimpleLineSymbol slsym = new SimpleLineSymbolClass();
slsym.Color = color as IColor;
slsym.Width = 4;
m_ErrorLocation_ln = new LineElementClass();
ILineElement pelem = m_ErrorLocation_ln as ILineElement;
pelem.Symbol = slsym as ISimpleLineSymbol;
m_ErrorLocation_ln.Geometry = location as IGeometry;
gcon.AddElement(m_ErrorLocation_ln, 0);
}
else if (location.GeometryType == esriGeometryType.esriGeometryPolygon)
{
IRgbColor color = new RgbColorClass();
color.Blue = 0;
color.Green = 0;
color.Red = 255;
ISimpleLineSymbol slsym = new SimpleLineSymbolClass();
slsym.Color = color as IColor;
ISimpleFillSymbol sfsym = new SimpleFillSymbolClass();
sfsym.Outline = slsym as ILineSymbol;
sfsym.Style = esriSimpleFillStyle.esriSFSNull;
m_ErrorLocation_poly = new PolygonElementClass();
IFillShapeElement pelem = m_ErrorLocation_poly as IFillShapeElement;
pelem.Symbol = sfsym as IFillSymbol;
m_ErrorLocation_poly.Geometry = location as IGeometry;
gcon.AddElement(m_ErrorLocation_poly, 0);
}
}