/// <summary>
/// 插入线标记 并且将线标记移动到后面
/// </summary>
/// <param name="mapControl"></param>
/// <param name="pGeometry"></param>
/// <returns></returns>
public static IElement DrawLineSymbol(AxMapControl mapControl, IGeometry pGeometry)
{
IRgbColor pColor = GetColor(0, 255, 255);
pColor.Transparency = 255;
//产生一个线符号对象
ILineSymbol pOutline = new SimpleLineSymbolClass();
pOutline.Width = 4;
pOutline.Color = pColor;
ILineElement pLineElement = new LineElementClass();
pLineElement.Symbol = pOutline;
IElement pElement = pLineElement as IElement;
pElement.Geometry = pGeometry;
//添加标注
InsertElement(mapControl, pElement, 0);
IGraphicsContainerSelect tmpGSelect = (IGraphicsContainerSelect)mapControl.Map;
//将元素移动到后面
tmpGSelect.SelectElement(pElement);
IGraphicsContainer pGraphicsContainer = mapControl.Map as IGraphicsContainer;
pGraphicsContainer.SendToBack(tmpGSelect.SelectedElements);
tmpGSelect.UnselectAllElements();
return(pElement);
}
public bool FocusOneElement(IPageLayout ipageLayout_0, IElement ielement_0)
{
bool result;
try
{
IGraphicsContainerSelect graphicsContainerSelect = ipageLayout_0 as IGraphicsContainerSelect;
if (graphicsContainerSelect == null)
{
result = false;
return(result);
}
IActiveView activeView = ipageLayout_0 as IActiveView;
activeView.PartialRefresh(esriViewDrawPhase.esriViewGraphicSelection, null, null);
int elementSelectionCount = graphicsContainerSelect.ElementSelectionCount;
if (elementSelectionCount >= 1)
{
graphicsContainerSelect.UnselectAllElements();
}
graphicsContainerSelect.SelectElement(ielement_0);
activeView.Refresh();
result = true;
return(result);
}
catch
{
}
result = false;
return(result);
}
public bool AddElement(IGraphicsContainer pGraphicsContainer, IElement pElement, bool bSelect, bool bPreserve)
{
try
{
if (pGraphicsContainer == null)
{
return(false);
}
if (pElement == null)
{
return(false);
}
pGraphicsContainer.AddElement(pElement, 0);
if (bSelect && (pGraphicsContainer is IGraphicsContainerSelect))
{
IGraphicsContainerSelect select = pGraphicsContainer as IGraphicsContainerSelect;
if (!bPreserve)
{
select.UnselectAllElements();
}
select.SelectElement(pElement);
}
return(true);
}
catch (Exception exception)
{
this.mErrOpt.ErrorOperate(this.mSubSysName, "FunFactory.ElementFun", "AddElement", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
return(false);
}
}
private void method_0()
{
IGraphicsContainer graphicsContainer = this.iactiveView_0.GraphicsContainer;
IGraphicsContainerSelect graphicsContainerSelect = graphicsContainer as IGraphicsContainerSelect;
graphicsContainerSelect.UnselectAllElements();
this.ienumElement_0.Reset();
IElement element = this.ienumElement_0.Next();
this.ilist_0.Clear();
while (element != null)
{
if ((!(element is IGraphicsComposite) ? false : !(element is IMapFrame)))
{
IEnumElement graphics =
(element as IGraphicsComposite).Graphics[this.iactiveView_0.ScreenDisplay, null];
graphics.Reset();
for (IElement i = graphics.Next(); i != null; i = graphics.Next())
{
graphicsContainer.AddElement(i, -1);
graphicsContainerSelect.SelectElement(element);
this.ilist_0.Add(i);
}
}
element = this.ienumElement_0.Next();
}
foreach (IElement list0 in this.list_0)
{
graphicsContainer.DeleteElement(list0);
}
}
private void method_0()
{
this.ienumElement_0.Reset();
IElement element = this.ienumElement_0.Next();
IGraphicsContainer graphicsContainer = this.iactiveView_0.GraphicsContainer;
IGraphicsContainerSelect graphicsContainerSelect = graphicsContainer as IGraphicsContainerSelect;
graphicsContainerSelect.UnselectAllElements();
graphicsContainer.DeleteElement(element);
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())
{
(element as IElementProperties2).AutoTransform = true;
graphicsContainer.AddElement(i, -1);
graphicsContainerSelect.SelectElement(i);
}
}
element = this.ienumElement_0.Next();
}
}
private void AddNormalTextElement(IPoint pPoint)
{
IGraphicsContainer pGraphicCtn = m_pAV.GraphicsContainer;
try
{
frmEdit frmCallOut = new frmEdit(false);
PublicClass.POINTAPI pos = new PublicClass.POINTAPI();
PublicClass.GetCursorPos(ref pos);
int scrW = Screen.PrimaryScreen.Bounds.Width; //主显示宽度
int scrH = Screen.PrimaryScreen.Bounds.Height; //主显示高度
frmCallOut.Location = new System.Drawing.Point(pos.x, pos.y); // * pScreen.BitsPerPixel
if (pos.x + frmCallOut.Width > scrW &&
pos.y + frmCallOut.Height > scrH) //超出显示器边界宽和高，则迂回
{
frmCallOut.Location = new System.Drawing.Point(scrW - frmCallOut.Width,
scrH - frmCallOut.Height);
}
if (pos.x + frmCallOut.Width > scrW &&
pos.y + frmCallOut.Height < scrH) //超出显示器边界宽，则迂回
{
frmCallOut.Location = new System.Drawing.Point(scrW - frmCallOut.Width, pos.y);
}
if (pos.x + frmCallOut.Width < scrW &&
pos.y + frmCallOut.Height > scrH) //超出显示器边界高，则迂回
{
frmCallOut.Location = new System.Drawing.Point(pos.x, scrH - frmCallOut.Height);
}
frmCallOut.ShowDialog();
if (frmCallOut.DialogResult == System.Windows.Forms.DialogResult.Cancel)
{
return;
}
ITextElement pTextElement = new TextElementClass();
pTextElement.ScaleText = true;
pTextElement.Text = frmCallOut.AnnoText;
IFormattedTextSymbol pTextSymbol = (IFormattedTextSymbol)frmCallOut.m_pTextSymbol;
pTextElement.Symbol = pTextSymbol as ITextSymbol;
IElement pElement = (IElement)pTextElement;
pElement.Geometry = pPoint;
//刷新显示
frmCallOut.Dispose();
IGraphicsContainerSelect pGraphicsSel = pGraphicCtn as IGraphicsContainerSelect;
pGraphicsSel.UnselectAllElements();
pGraphicsSel.SelectElement(pElement);
pGraphicCtn.AddElement(pElement, 0);
m_pAV.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show("添加文本注记失败：" + ex.Message, "提示");
return;
}
}
public void Undo()
{
IGraphicsContainer graphicsContainer = this.iactiveView_0.GraphicsContainer;
IGraphicsContainerSelect graphicsContainerSelect = graphicsContainer as IGraphicsContainerSelect;
graphicsContainerSelect.UnselectAllElements();
graphicsContainer.DeleteElement(this.igroupElement2_0 as IElement);
this.ienumElement_0.Reset();
for (IElement i = this.ienumElement_0.Next(); i != null; i = this.ienumElement_0.Next())
{
graphicsContainer.AddElement(i, -1);
graphicsContainerSelect.SelectElement(i);
}
}
public void Undo()
{
IGraphicsContainer graphicsContainer = this.iactiveView_0.GraphicsContainer;
IGraphicsContainerSelect graphicsContainerSelect = graphicsContainer as IGraphicsContainerSelect;
graphicsContainerSelect.UnselectAllElements();
for (int i = 0; i < this.ilist_0.Count; i++)
{
graphicsContainer.DeleteElement(this.ilist_0[i] as IElement);
}
this.ienumElement_0.Reset();
for (IElement j = this.ienumElement_0.Next(); j != null; j = this.ienumElement_0.Next())
{
if ((!(j is IGraphicsComposite) ? false : !(j is IMapFrame)))
{
graphicsContainer.AddElement(j, -1);
graphicsContainerSelect.SelectElement(j);
}
}
}
public static void FocusOneElement(IActiveView iactiveView_0, IElement ielement_0)
{
try
{
IGraphicsContainerSelect iactiveView0 = iactiveView_0 as IGraphicsContainerSelect;
if (iactiveView0 != null)
{
iactiveView_0.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
if (iactiveView0.ElementSelectionCount >= 1)
{
iactiveView0.UnselectAllElements();
}
iactiveView0.SelectElement(ielement_0);
iactiveView_0.PartialRefresh(esriViewDrawPhase.esriViewGraphics, ielement_0, null);
}
}
catch
{
}
}
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();
}
}
internal static void GraphicsContainClearSelection()
{
IGraphicsContainerSelect graphicContainerSelect = g_axPageLayoutControl.PageLayout as IGraphicsContainerSelect;
graphicContainerSelect.UnselectAllElements();
}
public override void OnMouseUp(int Button, int Shift, int X, int Y)
{
if (m_InUse == false)
{
return;
}
//Stop capturing mouse events
if (GetCapture() == m_HookHelper.ActiveView.ScreenDisplay.hWnd)
{
ReleaseCapture();
}
//If an envelope has not been tracked or its height/width is 0
if (m_Feedback == null)
{
m_Feedback = null;
m_InUse = false;
return;
}
IEnvelope envelope = m_Feedback.Stop();
if ((envelope.IsEmpty) || (envelope.Width == 0) || (envelope.Height == 0))
{
m_Feedback = null;
m_InUse = false;
return;
}
frmSymbolSelector symbolForm = new frmSymbolSelector();
IStyleGalleryItem styleGalleryItem = symbolForm.GetItem(esriSymbologyStyleClass.esriStyleClassScaleTexts, null);
//Release the form
symbolForm.Dispose();
if (symbolForm.DialogResult != DialogResult.OK)
{
return;
}
if (styleGalleryItem == null)
{
return;
}
//Get the map frame of the focus map
IMapFrame mapFrame = (IMapFrame)m_HookHelper.ActiveView.GraphicsContainer.FindFrame(m_HookHelper.ActiveView.FocusMap);
//Create a map surround frame
UID vUid = new UIDClass();
vUid.Value = "{7A3F91DC-B9E3-11d1-8756-0000F8751720}";
IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(vUid, (IMapSurround)styleGalleryItem.Item);
IElement element = (IElement)mapSurroundFrame;
element.Geometry = envelope;
IElementProperties3 pep = element as IElementProperties3;
pep.Name = "比例尺";
IGraphicsContainerSelect pGraphicsSel = m_HookHelper.ActiveView.GraphicsContainer as IGraphicsContainerSelect;
pGraphicsSel.UnselectAllElements();
pGraphicsSel.SelectElement(element);
m_HookHelper.ActiveView.GraphicsContainer.AddElement(element, 0);
//Refresh
m_HookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
m_Feedback = null;
m_InUse = false;
}
public override void OnMouseUp(int Button, int Shift, int X, int Y)
{
if (m_InUse == false)
{
return;
}
if (GetCapture() == m_HookHelper.ActiveView.ScreenDisplay.hWnd)
{
ReleaseCapture();
}
if (m_Feedback == null)
{
m_Feedback = null;
m_InUse = false;
return;
}
IEnvelope envelope = m_Feedback.Stop();
if ((envelope.IsEmpty) || (envelope.Width == 0) || (envelope.Height == 0))
{
m_Feedback = null;
m_InUse = false;
return;
}
frmSymbolSelector symbolForm = new frmSymbolSelector();
IStyleGalleryItem styleGalleryItem = symbolForm.GetItem(esriSymbologyStyleClass.esriStyleClassNorthArrows, null);
symbolForm.Dispose();
if (symbolForm.DialogResult != DialogResult.OK)
{
return;
}
if (styleGalleryItem == null)
{
return;
}
IMapFrame mapFrame = (IMapFrame)m_HookHelper.ActiveView.GraphicsContainer.FindFrame(m_HookHelper.ActiveView.FocusMap);
UID vUid = new UIDClass();
vUid.Value = "{7A3F91DD-B9E3-11d1-8756-0000F8751720}";
IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(vUid, (IMapSurround)styleGalleryItem.Item);
IElement element = (IElement)mapSurroundFrame;
element.Geometry = envelope;
IElementProperties3 pep = element as IElementProperties3;
pep.Name = "指北针";
IGraphicsContainerSelect pGraphicsSel = m_HookHelper.ActiveView.GraphicsContainer as IGraphicsContainerSelect;
pGraphicsSel.UnselectAllElements();
pGraphicsSel.SelectElement(element);
m_HookHelper.ActiveView.GraphicsContainer.AddElement(element, 0);
m_HookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
if (m_HookHelper.Hook is IPageLayoutControl)
{
IPageLayoutControl pPLC = m_HookHelper.Hook as IPageLayoutControl;
if (pPLC != null)
{
////初始化控件工具为选择元素工具
//string progID = "esriControls.ControlsSelectTool";
//int index = axToolbarControl1.Find(progID);
//if (index != -1)
//{
// IToolbarItem toolItem = axToolbarControl1.GetItem(index);
// ICommand _cmd = toolItem.Command;
// ITool _tool = (ITool)_cmd;
// pPLC.CurrentTool = _tool;
//}
}
}
m_Feedback = null;
m_InUse = false;
}
private void InsertPicture()
{
try
{
OpenFileDialog filedlg = new OpenFileDialog();
filedlg.Filter = "图像文件 (*.jpg;*.bmp;*.gif;*.tif;*.emf)|*.jpg;*.bmp;*.gif;*.tif;*.emf";
filedlg.Title = "选择图像文件";
if (filedlg.ShowDialog() == DialogResult.OK)
{
string sPath = filedlg.FileName;
int pos = sPath.LastIndexOf('.');
string sExt = sPath.Substring(pos + 1);
IPictureElement3 pPicElement = null;
switch (sExt.ToLower())
{
case "jpg":
pPicElement = new JpgPictureElementClass();
break;
case "bmp":
pPicElement = new BmpPictureElementClass();
break;
case "gif":
pPicElement = new GifPictureElementClass();
break;
case "tif":
pPicElement = new TifPictureElementClass();
break;
case "emf":
pPicElement = new EmfPictureElementClass();
break;
default:
break;
}
if (pPicElement == null)
{
return;
}
pPicElement.ImportPictureFromFile(sPath);
pPicElement.SavePictureInDocument = true;
pPicElement.MaintainAspectRatio = true;
IElementProperties pElementProp = (IElementProperties)pPicElement;
pElementProp.Name = sPath;
double picWidth = 0, picHeight = 0;
pPicElement.QueryIntrinsicSize(ref picWidth, ref picHeight); //得到图片的象素点
//象素点转换成厘米
picWidth = picWidth / 37.79;
picHeight = picHeight / 37.79;
//将厘米转换为当前Page单位
ConvertUnit(m_pHookHelper.PageLayout.Page.Units, ref picWidth, ref picHeight);
IPolygon pPoly = new PolygonClass();
IPointCollection pPntCln = (IPointCollection)pPoly;
object obj = System.Type.Missing;
IPoint pTmpPoint = new PointClass();
pTmpPoint.PutCoords(0, 0);
pPntCln.AddPoint(pTmpPoint, ref obj, ref obj);
pTmpPoint = new PointClass();
pTmpPoint.PutCoords(picWidth, 0);
pPntCln.AddPoint(pTmpPoint, ref obj, ref obj);
pTmpPoint = new PointClass();
pTmpPoint.PutCoords(picWidth, picHeight);
pPntCln.AddPoint(pTmpPoint, ref obj, ref obj);
pTmpPoint = new PointClass();
pTmpPoint.PutCoords(0, picHeight);
pPntCln.AddPoint(pTmpPoint, ref obj, ref obj);
pTmpPoint = new PointClass();
pTmpPoint.PutCoords(0, 0);
pPntCln.AddPoint(pTmpPoint, ref obj, ref obj);
double pageWidth, pageHeight;
m_pHookHelper.PageLayout.Page.QuerySize(out pageWidth, out pageHeight);
ITransform2D pTrans = (ITransform2D)pPoly;
pTrans.Move(pageWidth / 2 - picWidth / 2, pageHeight / 2 - picHeight / 2);
IElement pElement = null;
pElement = (IElement)pPicElement;
pElement.Geometry = pPoly;
IGraphicsContainer pContainer = (IGraphicsContainer)m_pHookHelper.PageLayout;
IGraphicsContainerSelect pGraphicsSel = pContainer as IGraphicsContainerSelect;
pGraphicsSel.UnselectAllElements();
pGraphicsSel.SelectElement(pElement);
pContainer.AddElement(pElement, 0);
m_pHookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, pElement, null);
}
}
catch (Exception ex)
{
MessageBox.Show("插入图片失败：" + ex.Message, "提示");
}
}
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
}
}
public override void OnMouseUp(int Button, int Shift, int X, int Y)
{
if (m_InUse == false)
{
return;
}
if (GetCapture() == m_HookHelper.ActiveView.ScreenDisplay.hWnd)
{
ReleaseCapture();
}
if (m_Feedback == null)
{
m_Feedback = null;
m_InUse = false;
return;
}
IEnvelope envelope = m_Feedback.Stop();
if ((envelope.IsEmpty) || (envelope.Width == 0) || (envelope.Height == 0))
{
m_Feedback = null;
m_InUse = false;
return;
}
frmSymbolSelector symbolForm = new frmSymbolSelector();
IStyleGalleryItem styleGalleryItem = symbolForm.GetItem(esriSymbologyStyleClass.esriStyleClassScaleBars, null);
symbolForm.Dispose();
if (symbolForm.DialogResult != DialogResult.OK)
{
return;
}
if (styleGalleryItem == null)
{
return;
}
IMapFrame mapFrame = (IMapFrame)m_HookHelper.ActiveView.GraphicsContainer.FindFrame(m_HookHelper.ActiveView.FocusMap);
UID vUid = new UIDClass();
vUid.Value = "{6589F143-F7F7-11d2-B872-00600802E603}";
IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(vUid, (IMapSurround)styleGalleryItem.Item);
if (mapSurroundFrame.MapSurround is IScaleBar)
{
IScaleBar pScalbeBar = (IScaleBar)mapSurroundFrame.MapSurround;
pScalbeBar.Units = mapFrame.Map.MapUnits;
switch (pScalbeBar.Units)
{
case esriUnits.esriMeters:
pScalbeBar.UnitLabel = "米";
break;
case esriUnits.esriKilometers:
pScalbeBar.UnitLabel = "公里";
break;
case esriUnits.esriMiles:
pScalbeBar.UnitLabel = "英里";
break;
case esriUnits.esriDecimalDegrees:
pScalbeBar.UnitLabel = "度";
break;
}
}
IElement element = (IElement)mapSurroundFrame;
element.Geometry = envelope;
IElementProperties3 pep = element as IElementProperties3;
pep.Name = "比例尺";
IGraphicsContainerSelect pGraphicsSel = m_HookHelper.ActiveView.GraphicsContainer as IGraphicsContainerSelect;
pGraphicsSel.UnselectAllElements();
pGraphicsSel.SelectElement(element);
m_HookHelper.ActiveView.GraphicsContainer.AddElement(element, 0);
m_HookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
m_Feedback = null;
m_InUse = false;
}