private void axPageLayoutControl1_OnDoubleClick(object sender, ESRI.ArcGIS.Controls.IPageLayoutControlEvents_OnDoubleClickEvent e)
{
if (e.button == 1)
{
//标注的修改
if (axPageLayoutControl1.CurrentTool == null)
{
return;
}
if (((axPageLayoutControl1.CurrentTool) as ICommand).Name == "ControlToolsGraphicElement_SelectTool")
{
IPoint pPoint = new PointClass();
pPoint.PutCoords(e.pageX, e.pageY);
IGraphicsContainer pGraphicsContainer = axPageLayoutControl1.PageLayout as IGraphicsContainer;
IEnumElement pEnumElement = pGraphicsContainer.LocateElements(pPoint, 10);
if (pEnumElement != null)
{
IElement pElement = pEnumElement.Next();
if (pElement is ITextElement)
{
ITextElement ptextElement = pElement as ITextElement;
MapPrint.TextSetUp textSetUp = new MapPrint.TextSetUp();
textSetUp.UpdateTextElement(ptextElement);
textSetUp.Show();
}
}
}
}
}
/// <summary>
/// 查询地图上的标注Element
/// </summary>
/// <param name="point">地图上的点</param>
/// <param name="tolerance">缓冲距离</param>
/// <returns></returns>
private IEnumElement queryElementOnMap(IPoint point, double tolerance)
{
IGraphicsContainer pGContainer = axMapControl1.Map as IGraphicsContainer;
IEnumElement pEunmEle = pGContainer.LocateElements(point, tolerance);
return(pEunmEle);
}
protected override void OnMouseDown(MouseEventArgs arg)
{
IMxDocument pmxdoc = ArcMap.Application.Document as IMxDocument;
IPoint pPoint = pmxdoc.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(arg.X, arg.Y);
IGraphicsContainer pgc = pmxdoc.ActiveView.GraphicsContainer;
IEnumElement eElements = pgc.LocateElements(pPoint, 5);
if (eElements == null)
{
return;
}
eElements.Reset();
IElement pElement = eElements.Next();
while (pElement != null)
{
IElementProperties pElementProps = pElement as IElementProperties;
MessageBox.Show(pElementProps.Name);
pElement = eElements.Next();
}
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
if (Button == 1)
{
IGraphicsContainer pGraphicsContainer = m_hookHelper.ActiveView as IGraphicsContainer;
m_point = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
IEnumElement pEnumElement = pGraphicsContainer.LocateElements(m_point, 1);
if (pEnumElement == null)
{
return;
}
m_element = pEnumElement.Next();
if (m_element is AnnotationElement)
{
ITextElement pTextElement = new TextElementClass {
Text = ((ITextElement)m_element).Text, Symbol = ((ITextElement)m_element).Symbol, ScaleText = true
};
m_viewElement = pTextElement as IElement;
m_viewElement.Geometry = m_element.Geometry;
m_hookHelper.ActiveView.GraphicsContainer.AddElement(m_viewElement, 0);
m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, m_viewElement, null);
}
// 移动状态信息
m_moving = true;
}
}
// 鼠标按下事件
private void mapControl_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
if (e.button != 1)
{
return;
}
IPoint point = new PointClass();
point.PutCoords(e.mapX, e.mapY);
var elementenum = graphicsContainer.LocateElements(point, 0);
if (elementenum != null) // 判断是否点击图元
{
isLeftBtnDown = true;
mapControl.CurrentTool = null;
mapControl.MousePointer = esriControlsMousePointer.esriPointerCrosshair;
}
}
public static IElement getElement(AxPageLayoutControl axPageLayoutControl, IPoint pPoint)
{
IPageLayout pageLayout = axPageLayoutControl.PageLayout;
IGraphicsContainer pGraphicsContainer = pageLayout as IGraphicsContainer;
IEnumElement pEnumElement = pGraphicsContainer.LocateElements(pPoint, 0);
pEnumElement.Reset();
var pElement = pEnumElement.Next();
while (pElement != null && (pElement is IMapFrame))
{
pElement = pEnumElement.Next();
}
return(pElement);
}
/// <summary>
/// 鼠标点击事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void mapControl_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
IGraphicsContainer gc = layer as IGraphicsContainer;
IPoint point = new PointClass();
point.PutCoords(e.mapX, e.mapY);
var elementenum = gc.LocateElements(point, 0);
if (MarkerMouseDownEvent != null && elementenum != null)
{
editMarker = elementenum.Next() as EditMarker;
editMarker.markerSelected = true;
mapControl.OnMouseMove += new IMapControlEvents2_Ax_OnMouseMoveEventHandler(mapControl_OnMouseMove);
mapControl.OnMouseUp += new IMapControlEvents2_Ax_OnMouseUpEventHandler(mapControl_OnMouseUp);
MarkerMouseDownEvent(editMarker, e);
}
}
/// <summary>
/// 移动事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void mapControl_OnMouseMove_Cursor(object sender, IMapControlEvents2_OnMouseMoveEvent e)
{
IGraphicsContainer gc = layer as IGraphicsContainer;
IPoint point = new PointClass();
point.PutCoords(e.mapX, e.mapY);
var elementenum = gc.LocateElements(point, 0);
if (elementenum != null)
{
mapControl.MousePointer = esriControlsMousePointer.esriPointerCrosshair;
}
else
{
mapControl.MousePointer = esriControlsMousePointer.esriPointerDefault;
}
}
/// <summary>
/// 鼠标弹起事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void mapControl_OnMouseUp(object sender, IMapControlEvents2_OnMouseUpEvent e)
{
IGraphicsContainer gc = layer as IGraphicsContainer;
IPoint point = new PointClass();
point.PutCoords(e.mapX, e.mapY);
var elementenum = gc.LocateElements(point, 0);
if (elementenum != null)
{
editMarker = elementenum.Next() as EditMarker;
editMarker.markerSelected = false;
}
if (MarkerMouseUpEvent != null)
{
MarkerMouseUpEvent(editMarker, null);
}
mapControl.OnMouseUp -= mapControl_OnMouseUp;
mapControl.OnMouseMove -= mapControl_OnMouseMove;
}
private void mainMapControl_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
if (e.button == 2)
{
if (this.mapRightClickPoint == null)
{
this.mapRightClickPoint = new PointClass();
}
this.mapRightClickPoint.PutCoords(e.mapX, e.mapY);
IGraphicsContainer pGraphicContainer = this.mainMapControl.Map as IGraphicsContainer;
IEnumElement pEnumElement = pGraphicContainer.LocateElements(this.mapRightClickPoint, this.mainMapControl.ActiveView.Extent.Width / 500);
if (pEnumElement != null)
{
return;
}
else
{
// this.contextMenuMapNormal.Show(this.mainMapControl as Control, new System.Drawing.Point(e.x, e.y));
}
}
else if (e.button == 1)
{
//if (this.btnDrawNewText.Checked == false) return;
if (this.mapTextPoint == null)
{
this.mapTextPoint = new PointClass();
}
this.mapTextPoint.PutCoords(e.mapX, e.mapY);
//this.txtNewText.Location = new System.Drawing.Point(e.x, e.y);
//this.txtNewText.Text = "文本";
//this.txtNewText.Visible = true;
//this.txtNewText.Focus();
//this.txtNewText.SelectAll();
//this.btnDrawNewText.Checked = false;
}
}
//鼠标双击被选中的元素时将出现属性对话框更改属性
private void m_pageLayoutControl_OnDoubleClick(object sender, IPageLayoutControlEvents_OnDoubleClickEvent e)
{
IGraphicsContainer pSelected = m_pageLayoutControl.ActiveView as IGraphicsContainer;
IPoint pt = new PointClass();
pt.X = e.pageX; pt.Y = e.pageY;
IEnumElement pEnumElement = pSelected.LocateElements(pt, 0);
IElement pEle = pEnumElement.Next();
if (pEle is IMapSurroundFrame)
{
IMapSurroundFrame pSurround = pEle as IMapSurroundFrame;
if (pSurround.MapSurround is ILegend)
{
LegendPropertyForm legendForm = new LegendPropertyForm(GetCompleteLegend(), pEle);
legendForm.ShowDialog();
}
if (pSurround.MapSurround is INorthArrow)
{
NorthArrowPropertyFr nap = new NorthArrowPropertyFr(pEle);
nap.ShowDialog();
}
if (pSurround.MapSurround is IScaleBar)
{
ScalePropertyFr scaleForm = new ScalePropertyFr(pEle);
scaleForm.ShowDialog();
}
}
if (pEle is ITextElement)
{
TitlePropertyFr titleForm = new TitlePropertyFr(pEle as ITextElement, pt);
titleForm.Text = "文本属性";
titleForm.ShowDialog();
m_pageLayoutControl.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);
}
}
}
}
}
private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
switch (toolAction)
{
case "Drag Zoom In": //判定当前的操作是否为拉框放大
IEnvelope pEnvelope = axMapControl1.TrackRectangle(); // 调用axMapControl1的矩形框跟踪功能进行拉框操作，
//将拉框完成后的范围赋值给一个Envelope对象
//此处，你可以尝试axMapControl1.TrackPolygon()，axMapControl1.TrackCircle()，axMapControl1.TrackLine()等方法的调用，看有什么效果
if (pEnvelope == null || pEnvelope.IsEmpty || pEnvelope.Height == 0 || pEnvelope.Width == 0) //判定所获取的拉框范围是否无效
{
return; // 拉框范围无效，就直接返回
}
axMapControl1.Extent = pEnvelope; // 给地图窗口的空间范围赋值为刚才拉框的范围
axMapControl1.ActiveView.Refresh(); //地图刷新
return;
case "Drag Zoom Out": //判定当前的操作是否为拉框缩小
IEnvelope pEnvelope1 = axMapControl1.TrackRectangle(); // 调用axMapControl1的矩形框跟踪功能进行拉框操作，
//将拉框完成后的范围赋值给一个Envelope对象
//此处，你可以尝试axMapControl1.TrackPolygon()，axMapControl1.TrackCircle()，axMapControl1.TrackLine()等方法的调用，看有什么效果
if (pEnvelope1 == null || pEnvelope1.IsEmpty || pEnvelope1.Height == 0 || pEnvelope1.Width == 0) ////判定所获取的拉框范围是否无效
{
return; //// 拉框范围无效，就直接返回
}
IActiveView pActiveView = axMapControl1.ActiveView; // 获取地图视窗对象
double mHeight = pActiveView.Extent.Height * pActiveView.Extent.Height / pEnvelope1.Height; // 根据倍数计算新空间范围高度
double mWidth = pActiveView.Extent.Width * pActiveView.Extent.Width / pEnvelope1.Width; // 根据倍数计算新空间范围宽度
double mMinX = pActiveView.Extent.XMin - (pEnvelope1.XMin - pActiveView.Extent.XMin) * pActiveView.Extent.Width / pEnvelope1.Width; //计算新空间范围的x的最小值
double mMinY = pActiveView.Extent.YMin - (pEnvelope1.YMin - pActiveView.Extent.YMin) * pActiveView.Extent.Height / pEnvelope1.Height; //计算新空间范围的y的最小值
double mMaxX = mMinX + mWidth; //计算新空间范围的x的最大值
double mMaxY = mMinY + mHeight; // 计算新空间范围的y的最大值
pEnvelope1.PutCoords(mMinX, mMinY, mMaxX, mMaxY); // 给Envelope对象赋值新的空间范围
//(pActiveView.Extent.XMax-pActiveView.Extent.XMin)*
axMapControl1.Extent = pEnvelope1; // 给地图范围赋值为新的空间范围
axMapControl1.ActiveView.Refresh(); //地图刷新
return;
case "Pan": // 判定是否进行地图平移操作
axMapControl1.Pan(); //可执行地图平移
return;
case "Select Feature Using Point": //点选要素
axMapControl1.ActiveView.FocusMap.ClearSelection(); // 清空当前地图的选择集;
axMapControl1.ActiveView.Refresh();
tagRECT r; // 定义一个tagRECT结构变量，用于存放以当前鼠标为中心的长宽各为10个像素的小矩形
r.left = e.x - 5; //
r.right = e.x + 5; //
r.bottom = e.y - 5; //
r.top = e.y + 5; //
IEnvelope pEnv = new Envelope() as IEnvelope; // 创建一个Envelope对象，用于接受刚才创建的小矩形范围由屏幕坐标转换为地图坐标的值
axMapControl1.ActiveView.ScreenDisplay.DisplayTransformation.TransformRect(pEnv, ref r, 4); //把r的屏幕坐标转换为地图坐标，存入Envelope对象中
pEnv.SpatialReference = axMapControl1.ActiveView.FocusMap.SpatialReference; //设定Envelope对象的空间坐标参考与当前地图窗口的坐标一致
IGeometry pGeo = pEnv as IGeometry; //接口访问到IGeometry接口
axMapControl1.Map.SelectByShape(pGeo, null, false); //调用地图控件中map对象的SelectByShape方法，在地图中选择与pGeo相交或包含在其中的地图要素
//int selCount = axMapControl1.Map.SelectionCount;
//IEnumFeature pEnumFeature = axMapControl1.Map.FeatureSelection as IEnumFeature;
//IFeature pFeature = pEnumFeature.Next();
//while (pFeature != null)
//{
// int index = pFeature.Fields.FindField("GB");
// str1 = Convert.ToString(pFeature.get_Value(index));
// MessageBox.Show(str1);
// //string str2 = pFeature.get_Value(2).ToString();
// pFeature = pEnumFeature.Next();
//}
ISelection selection = axMapControl1.Map.FeatureSelection;
IEnumFeatureSetup iEnumFeatureSetup = (IEnumFeatureSetup)selection;
iEnumFeatureSetup.AllFields = true;
IEnumFeature pEnumFeature = (IEnumFeature)iEnumFeatureSetup;
pEnumFeature.Reset();
IFeature pFeature = pEnumFeature.Next();
if (pFeature != null)
{
int index = pFeature.Fields.FindField("RNAME");
//string str1 = pFeature.OID.ToString();
if (index != -1)
{
str1 = pFeature.get_Value(index).ToString();
}
//MessageBox.Show(str1);
//pFeature = pEnumFeature.Next();
}
axMapControl1.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null); //
toolAction = "";
return;
case "Select Feature Using Rectangle": //矩形选择要素
IEnvelope pEnvlope2 = axMapControl1.TrackRectangle(); // 进行矩形框的绘制追踪，
if (pEnvlope2.IsEmpty == true) // 若矩形框为空
{
tagRECT r1;
r1.left = e.x - 5;
r1.right = e.x + 5;
r1.bottom = e.y - 5;
r1.top = e.y + 5;
axMapControl1.ActiveView.ScreenDisplay.DisplayTransformation.TransformRect(pEnvlope2, ref r1, 4);
pEnvlope2.SpatialReference = axMapControl1.ActiveView.FocusMap.SpatialReference;
}
IGeometry pGeo1 = pEnvlope2 as IGeometry;
axMapControl1.Map.SelectByShape(pGeo1, null, false);
axMapControl1.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
toolAction = "";
return;
case "Select Feature Using Circle": // 圆形选择要素
IGeometry pCircl = axMapControl1.TrackCircle(); //圆形绘制
if (pCircl.IsEmpty == true)
{
return;
}
// IGeometry pGeo1 = pEnvlope2 as IGeometry;
axMapControl1.Map.SelectByShape(pCircl, null, false);
axMapControl1.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
toolAction = "";
return;
case "Select Feature Using Polygon": //多边形选择要素
IGeometry pPolygon = axMapControl1.TrackPolygon(); // 绘制多边形
if (pPolygon.IsEmpty == true)
{
return;
}
// IGeometry pGeo1 = pEnvlope2 as IGeometry;
axMapControl1.Map.SelectByShape(pPolygon, null, false);
axMapControl1.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
toolAction = "";
return;
case "Select Feature Using Polyline": // 线性选择要素
IGeometry pLine = axMapControl1.TrackLine(); //绘制线
if (pLine.IsEmpty == true)
{
return;
}
// IGeometry pGeo1 = pEnvlope2 as IGeometry;
axMapControl1.Map.SelectByShape(pLine, null, false);
axMapControl1.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
toolAction = "";
return;
case "Draw Polygon":
IGeometry pPolygon1 = axMapControl1.TrackPolygon(); // 绘制多边形
if (pPolygon1 == null)
{
return;
}
IElement pElement = new PolygonElement();
pElement.Geometry = pPolygon1;
IFillShapeElement pPolygonEle = pElement as IFillShapeElement;
if (pSelectedFillSymbol != null)
{
pPolygonEle.Symbol = pSelectedFillSymbol;
}
IGraphicsContainer pGc = axMapControl1.ActiveView.GraphicsContainer;
pGc.AddElement(pElement, 0);
IGraphicsContainerSelect pGSelection = pGc as IGraphicsContainerSelect;
pGSelection.UnselectAllElements();
pGSelection.SelectElement(pElement);
toolAction = "";
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
return;
case "Draw Point":
IPoint pPointMark = new ESRI.ArcGIS.Geometry.Point(); // 创建一个点
pPointMark.PutCoords(e.mapX, e.mapY); //给点赋值为当前鼠标所在位置的地图坐标
IGeometry pPointGeo = pPointMark as IGeometry;
IElement pMElement = new MarkerElement();
pMElement.Geometry = pPointGeo;
IMarkerElement pMarkElement = pMElement as IMarkerElement;
if (pSelectedMarkSymbol != null)
{
pMarkElement.Symbol = pSelectedMarkSymbol;
}
IGraphicsContainer pGraphiscont = axMapControl1.ActiveView.GraphicsContainer;
pGraphiscont.AddElement(pMElement, 0);
IGraphicsContainerSelect pGS = pGraphiscont as IGraphicsContainerSelect;
pGS.UnselectAllElements();
pGS.SelectElement(pMElement);
toolAction = "";
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
return;
case "Draw Line":
IGeometry pLineGeo = axMapControl1.TrackLine(); // 绘制Line
if (pLineGeo == null)
{
return;
}
IElement pElement4 = new LineElement();
ILineElement pLineEle = pElement4 as ILineElement;
if (pSelectedLineSymbol != null)
{
pLineEle.Symbol = pSelectedLineSymbol;
}
pElement4.Geometry = pLineGeo;
IGraphicsContainer pGc4 = axMapControl1.ActiveView.GraphicsContainer;
pGc4.AddElement(pElement4, 0);
IGraphicsContainerSelect pGSelection4 = pGc4 as IGraphicsContainerSelect;
pGSelection4.UnselectAllElements();
pGSelection4.SelectElement(pElement4);
toolAction = "";
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
return;
case "Draw Text":
IRgbColor pColor = new RgbColor();
pColor.Red = 150;
pColor.Green = 150;
pColor.Blue = 0;
ITextSymbol pTextSymbol = new TextSymbol();
stdole.StdFont font = new stdole.StdFont();
font.Name = "宋体";
font.Size = 20;
pTextSymbol.Font = font as stdole.IFontDisp;
pTextSymbol.Color = pColor;
pTextSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
pTextSymbol.VerticalAlignment = esriTextVerticalAlignment.esriTVABaseline;
pTextSymbol.Text = "This is my First Text";
IPoint pTextPoint = new ESRI.ArcGIS.Geometry.Point(); // 创建一个点
pTextPoint.PutCoords(e.mapX, e.mapY); //给点赋值为当前鼠标所在位置的地图坐标
IGeometry pTextGeo = pTextPoint as IGeometry;
IElement pTElement = new TextElement();
pTElement.Geometry = pTextGeo;
ITextElement pTextEle = pTElement as ITextElement;
pTextEle.Symbol = pTextSymbol;
pTextEle.Text = pTextSymbol.Text;
IGraphicsContainer pGraphisCon = axMapControl1.ActiveView.GraphicsContainer;
pGraphisCon.AddElement(pTElement, 0);
IGraphicsContainerSelect pGrhSelection = pGraphisCon as IGraphicsContainerSelect;
pGrhSelection.UnselectAllElements();
pGrhSelection.SelectElement(pTElement);
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
toolAction = "";
break;
case "Select Graphics by using Point": //通过点击获得GraphicsContainor中的element
IPoint pPoint = new ESRI.ArcGIS.Geometry.Point(); // 创建一个点
pPoint.PutCoords(e.mapX, e.mapY); //给点赋值为当前鼠标所在位置的地图坐标
double dist = axMapControl1.ActiveView.Extent.Width / 15; //设置以点为圆心的查询的半径
IGraphicsContainer pGc1 = axMapControl1.ActiveView.GraphicsContainer; //获得地图的GraphicsContainor容器
IEnumElement pEnumElement = pGc1.LocateElements(pPoint, dist); //以点为中心点，按照指定半径选择element
IGraphicsContainerSelect pGSelection1 = pGc1 as IGraphicsContainerSelect; //获得地图的容器中的图形要素选择集
if (pEnumElement != null) //
{
pEnumElement.Reset(); //回到-1位置
pGSelection1.UnselectAllElements(); //清空原来选择到的图形要素
pGSelection1.SelectElements(pEnumElement); //将新查询到的图形要素添加到GraphicsContainor容器中的图形要素选择集中
}
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null); //图形要素刷新
return;
}
if (e.button == 2) //若单击鼠标右键
{
contextMenuStrip2.Show(axMapControl1, e.x, e.y); //在TOC控件的当前鼠标位置弹出右键菜单
}
}
