public static void CopyAndOverwriteMap(AxMapControl axMapControl, AxPageLayoutControl axPageLayoutControl)
{
IObjectCopy objectCopy = new ObjectCopyClass();
object toCopyMap = axMapControl.Map;
object copiedMap = objectCopy.Copy(toCopyMap);
IPageLayout pagelayout = axPageLayoutControl.PageLayout;
object overwriteMap = (pagelayout as IActiveView).FocusMap;
objectCopy.Overwrite(toCopyMap, ref overwriteMap);
IGraphicsContainer pGraphicsContainer = pagelayout as IGraphicsContainer;
IMapFrame pMapFrame = (IMapFrame)pGraphicsContainer.FindFrame(overwriteMap);
IElement pElement = pMapFrame as IElement;
IEnumElement pEnumElement = pGraphicsContainer.LocateElementsByEnvelope(pElement.Geometry.Envelope);
IElement pElementIcon = pEnumElement.Next();
while (pElementIcon != null)
{
if (pElementIcon is IMapSurroundFrame)
{
if ((pElementIcon as IMapSurroundFrame).MapSurround is IScaleBar)
{
(pElementIcon as IMapSurroundFrame).MapFrame = pMapFrame;
}
}
pElementIcon = pEnumElement.Next();
}
axPageLayoutControl.ActiveView.Refresh();
}
private void InsertMapFrameToTree(IElement pElement, TOCTreeNodeCollection pParantNodes)
{
if (pElement is IMapFrame)
{
IMapFrame frame = (IMapFrame)pElement;
string name = frame.Map.Name;
if (name == "")
{
name = "Scene";
}
TOCTreeNode pNode = new TOCTreeNodeEx(name, false, true);
Bitmap bitmap =
new Bitmap(
base.GetType()
.Assembly.GetManifestResourceStream("Yutai.ArcGIS.Controls.Controls.TOCTreeview.layers.bmp"));
pNode.Image = bitmap;
pNode.Tag = frame;
pParantNodes.Add(pNode);
this.InsertMapToTree((IBasicMap)frame.Map, pNode);
}
else if (pElement is IGroupElement)
{
IGroupElement element = (IGroupElement)pElement;
IEnumElement elements = element.Elements;
elements.Reset();
for (IElement element3 = elements.Next(); element3 != null; element3 = elements.Next())
{
this.InsertMapFrameToTree(element3, pParantNodes);
}
}
}
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();
}
}
}
}
}
public override void OnClick()
{
IGraphicsContainer graphicsContainer = this._context.ActiveView.GraphicsContainer;
IGraphicsContainerSelect graphicsContainerSelect = graphicsContainer as IGraphicsContainerSelect;
IEnumElement selectedElements = graphicsContainerSelect.SelectedElements;
MapTemplateGroupElement mapTemplateGroupElement = new MapTemplateGroupElement(MapTemplate.CurrentMapTemplate);
mapTemplateGroupElement.Create(selectedElements);
mapTemplateGroupElement.Save();
List <IElement> list = new List <IElement>();
selectedElements.Reset();
for (IElement element = selectedElements.Next(); element != null; element = selectedElements.Next())
{
list.Add(element);
}
foreach (IElement current in list)
{
graphicsContainer.DeleteElement(current);
}
IGraphicsContainer graphicsContainer2 = this._context.ActiveView.GraphicsContainer;
IElement element2 = mapTemplateGroupElement.GetElement(this._context.ActiveView as IPageLayout);
graphicsContainer2.AddElement(element2, -1);
this._context.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, element2, null);
}
/// <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);
}
private void SetMapSurroundFrameMapGroupRecursion(IGroupElement pGroupElement, IMap pMap)
{
try
{
if (((pGroupElement != null) && (pGroupElement.ElementCount > 0)) && (pMap != null))
{
IEnumElement elements = null;
elements = pGroupElement.Elements;
elements.Reset();
IMapSurroundFrame frame = null;
IElement element2 = null;
for (element2 = elements.Next(); element2 != null; element2 = elements.Next())
{
if (element2 is IMapSurroundFrame)
{
frame = element2 as IMapSurroundFrame;
frame.MapSurround.Map = pMap;
}
else if (element2 is IGroupElement)
{
this.SetMapSurroundFrameMapGroupRecursion(element2 as IGroupElement, pMap);
}
}
}
}
catch (Exception exception)
{
this.mErrOpt.ErrorOperate(this.mSubSysName, "FunFactory.ElementFun", "SetMapSurroundFrameMapGroupRecursion", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
}
}
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 static IMapFrame FindFocusMapFrame(IGroupElement igroupElement_0, IMap imap_0)
{
IEnumElement elements = igroupElement_0.Elements;
elements.Reset();
for (IElement element2 = elements.Next(); element2 != null; element2 = elements.Next())
{
if (element2 is IMapFrame)
{
if (imap_0 == (element2 as IMapFrame).Map)
{
return(element2 as IMapFrame);
}
}
else if (element2 is IGroupElement)
{
IMapFrame frame2 = FindFocusMapFrame(element2 as IGroupElement, imap_0);
if (frame2 != null)
{
return(frame2);
}
}
}
return(null);
}
private void method_4(IGraphicsContainer igraphicsContainer_0, IEnvelope ienvelope_0)
{
IGroupElement2 element = null;
IGraphicsContainerSelect select = igraphicsContainer_0 as IGraphicsContainerSelect;
IEnumElement selectedElements = select.SelectedElements;
selectedElements.Reset();
IElement element3 = selectedElements.Next();
element = new GroupElementClass();
(element as IElement).Geometry = ienvelope_0;
while (element3 != null)
{
element.AddElement(element3);
element.Refresh();
element3 = selectedElements.Next();
}
igraphicsContainer_0.AddElement(element as IElement, -1);
(element as IElement).QueryBounds((igraphicsContainer_0 as IActiveView).ScreenDisplay, ienvelope_0);
selectedElements.Reset();
for (element3 = selectedElements.Next(); element3 != null; element3 = selectedElements.Next())
{
igraphicsContainer_0.DeleteElement(element3);
}
select.SelectElement(element as IElement);
}
private IElement GetSelectedPointElement()
{
IMap activeFrame = m_hookHelper.FocusMap;
IGraphicsContainerSelect graphicsSel = activeFrame as IGraphicsContainerSelect;
IElement selectedElement = null;
IAGAnimationType graphicAnimationType = new AnimationTypeMapGraphic();
if (graphicsSel.ElementSelectionCount > 0)
{
IEnumElement enumElem = graphicsSel.SelectedElements;
selectedElement = enumElem.Next();
while (selectedElement != null)
{
if (graphicAnimationType.get_AppliesToObject(selectedElement))
{
break;
}
selectedElement = enumElem.Next();
}
}
else
{
selectedElement = null;
}
return(selectedElement);
}
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;
}
}
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();
}
}
private void GroupElement(IGraphicsContainer pGC, IEnvelope pEnvelop)
{
IGroupElement2 groupElementClass = null;
IGraphicsContainerSelect graphicsContainerSelect = pGC as IGraphicsContainerSelect;
IEnumElement selectedElements = graphicsContainerSelect.SelectedElements;
selectedElements.Reset();
IElement i = selectedElements.Next();
if (groupElementClass == null)
{
groupElementClass = new GroupElement() as IGroupElement2;
(groupElementClass as IElement).Geometry = pEnvelop;
while (i != null)
{
groupElementClass.AddElement(i);
groupElementClass.Refresh();
i = selectedElements.Next();
}
}
pGC.AddElement(groupElementClass as IElement, -1);
(groupElementClass as IElement).QueryBounds((pGC as IActiveView).ScreenDisplay, pEnvelop);
selectedElements.Reset();
for (i = selectedElements.Next(); i != null; i = selectedElements.Next())
{
pGC.DeleteElement(i);
}
graphicsContainerSelect.SelectElement(groupElementClass as IElement);
}
private IEnvelope method_3(IGraphicsContainerSelect igraphicsContainerSelect_0)
{
try
{
IEnumElement selectedElements = igraphicsContainerSelect_0.SelectedElements;
selectedElements.Reset();
IEnvelope envelope = null;
IEnvelope inEnvelope = null;
for (IElement element2 = selectedElements.Next(); element2 != null; element2 = selectedElements.Next())
{
if (envelope == null)
{
envelope = element2.Geometry.Envelope;
}
else
{
inEnvelope = element2.Geometry.Envelope;
envelope.Union(inEnvelope);
}
}
if ((envelope != null) && ((envelope.Width == 0.0) || (envelope.Height == 0.0)))
{
envelope.Expand(0.001, 0.001, false);
return(envelope);
}
}
catch (Exception)
{
}
return(null);
}
/// <summary>
/// 从组合元素中查找元素，被查找的元素不是组合元素
/// </summary>
/// <param name="groupElement"></param>
/// <param name="elementName"></param>
/// <returns></returns>
public static IElement GetFirstElementByName(this IGroupElement groupElement, string elementName)
{
IElement resultElement = null;
IEnumElement enumEle = groupElement.Elements;
IElement tmpEle;
while ((tmpEle = enumEle.Next()) != null)
{
if ((tmpEle as IGroupElement) != null)
{
resultElement = GetFirstElementByName(tmpEle as IGroupElement, elementName);
if (resultElement != null)
{
break;
}
}
else
{
if ((tmpEle as IElementProperties)?.Name == elementName)
{
resultElement = tmpEle;
break;
}
}
}
return(resultElement);
}
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 method_0()
{
IElement element2;
IGraphicsContainerSelect select = this.ipageLayout_0 as IGraphicsContainerSelect;
if (select.ElementSelectionCount > 0)
{
this.rdoPlaceSelectElement.Enabled = true;
this.rdoPlaceSelectElement.Checked = true;
this.rdoPlaceAllElement.Checked = false;
this.rdoPlacePageMargine.Checked = false;
IEnumElement selectedElements = select.SelectedElements;
selectedElements.Reset();
element2 = selectedElements.Next();
if ((select.ElementSelectionCount == 1) && (element2 is IFrameElement))
{
this.chkNewFrameElement.Checked = false;
this.chkNewFrameElement.Enabled = true;
this.chkGroup.Checked = false;
this.chkGroup.Enabled = false;
this.iframeElement_0 = element2 as IFrameElement;
this.method_1(element2 as IFrameElement);
}
else
{
this.chkNewFrameElement.Checked = true;
this.chkNewFrameElement.Enabled = false;
this.chkGroup.Checked = false;
this.chkGroup.Enabled = true;
}
}
else
{
this.rdoPlaceSelectElement.Enabled = false;
this.rdoPlaceSelectElement.Checked = false;
this.rdoPlaceAllElement.Checked = true;
this.rdoPlacePageMargine.Checked = false;
IGraphicsContainer container = this.ipageLayout_0 as IGraphicsContainer;
container.Reset();
element2 = container.Next();
if (!((container.Next() == null) && (element2 is IFrameElement)))
{
this.chkNewFrameElement.Checked = true;
this.chkNewFrameElement.Enabled = false;
this.chkGroup.Checked = false;
this.chkGroup.Enabled = true;
}
else
{
this.chkNewFrameElement.Checked = false;
this.chkNewFrameElement.Enabled = true;
this.chkGroup.Checked = false;
this.chkGroup.Enabled = false;
this.iframeElement_0 = element2 as IFrameElement;
this.method_1(element2 as IFrameElement);
}
}
}
private void delete_ele_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
IGraphicsContainerSelect pGraphicsCSelect = this.axPageLayoutControl1.GraphicsContainer as IGraphicsContainerSelect;
IEnumElement pEnumEle = pGraphicsCSelect.SelectedElements;
IElement ele = pEnumEle.Next();
while (ele != null)
{
this.axPageLayoutControl1.GraphicsContainer.DeleteElement(ele);
this.axPageLayoutControl1.Refresh();
ele = pEnumEle.Next();
}
}
public override void OnClick()
{
IGraphicsContainer graphicsContainer = this._context.ActiveView.GraphicsContainer;
IGraphicsContainerSelect graphicsContainerSelect = graphicsContainer as IGraphicsContainerSelect;
IEnumElement selectedElements = graphicsContainerSelect.SelectedElements;
IGroupElementOperation groupElementOperation = new GroupElementOperation();
groupElementOperation.ActiveView = this._context.ActiveView;
groupElementOperation.Elements = selectedElements;
this._context.OperationStack.Do(groupElementOperation);
this._context.ActiveView.Refresh();
//DocumentManager.DocumentChanged(this._context.Hook);
}
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>
/// 鼠标弹起结束绘制
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void mapControl_OnMouseUp(object sender, IMapControlEvents2_OnMouseUpEvent e)
{
IPoint point = new PointClass()
{
X = e.mapX, Y = e.mapY
};
envelope = rectangleFeedback.Stop() as IEnvelope;
int layerCount = mapControl.LayerCount;
for (int i = 0; i < layerCount; i++)
{
ILayer layer = mapControl.get_Layer(i);
CompositeGraphicsLayerClass comp = layer as CompositeGraphicsLayerClass;
if (comp == null)
{
continue;
}
if (envelope.IsEmpty == true)
{
elementEnums = comp.LocateElements(point, 0);
}
else
{
elementEnums = comp.LocateElementsByEnvelope(envelope);
}
List <IElement> list = new List <IElement>();
if (elementEnums == null)
{
return;
}
IElement el = null;
do
{
el = elementEnums.Next();
if (el != null)
{
var element = el as IMFElement;
listElements.Add(element);
}
}while (el != null);
}
ReleaseCommond();
}
private IMapFrame GetMapFrameGroupRecursion(IGroupElement pGroupElement, string sMapClassifyName, string sMapName)
{
try
{
if (pGroupElement != null)
{
if (pGroupElement.ElementCount <= 0)
{
return(null);
}
IEnumElement elements = null;
elements = pGroupElement.Elements;
elements.Reset();
IMapFrame frame = null;
IElement element2 = null;
for (element2 = elements.Next(); element2 != null; element2 = elements.Next())
{
if (element2 is IMapFrame)
{
frame = element2 as IMapFrame;
IElementProperties properties = null;
properties = frame as IElementProperties;
if ((Strings.LCase(Strings.Mid(Convert.ToString(properties.CustomProperty), 4)) == Strings.LCase(sMapClassifyName)) && (string.IsNullOrEmpty(sMapName) | (frame.Map.Name == sMapName)))
{
return(frame);
}
}
else if (element2 is IGroupElement)
{
frame = this.GetMapFrameGroupRecursion(element2 as IGroupElement, sMapClassifyName, sMapName);
if (frame != null)
{
return(frame);
}
}
}
}
return(null);
}
catch (Exception exception)
{
this.mErrOpt.ErrorOperate(this.mSubSysName, "FunFactory.ElementFun", "GetMapFrameGroupRecursion", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
return(null);
}
}
public void Create(IEnumElement ienumElement_0)
{
ienumElement_0.Reset();
IElement element = ienumElement_0.Next();
if (this.igroupElement_0 == null)
{
this.igroupElement_0 = new GroupElementClass();
}
while (element != null)
{
this.igroupElement_0.AddElement((element as IClone).Clone() as IElement);
element = ienumElement_0.Next();
}
if ((this.igroupElement_0 as IElement).Geometry.Envelope.IsEmpty)
{
}
}
public override void OnClick()
{
IEnumElement selectedElements = (this._context.ActiveView as IGraphicsContainerSelect).SelectedElements;
IAlignElementsOperation alignElementsOperation = new AlignElementsOperation();
IElement dominantElement = (this._context.ActiveView as IGraphicsContainerSelect).DominantElement;
if (dominantElement != null)
{
IEnvelope envelope = new Envelope() as IEnvelope;
dominantElement.QueryBounds(this._context.ActiveView.ScreenDisplay, envelope);
alignElementsOperation.Elements = selectedElements;
alignElementsOperation.AlignEnvelope = envelope;
alignElementsOperation.AlignType = (enumAlignType)this.AlignType;
alignElementsOperation.ActiveView = this._context.ActiveView;
this._context.OperationStack.Do(alignElementsOperation);
//DocumentManager.DocumentChanged(this._context.Hook);
}
}
public bool HitTestElement(IActiveView pActiveView, long x, long y, bool bMapUnit)
{
try
{
if (pActiveView != null)
{
IPoint point = null;
if (bMapUnit)
{
point = new PointClass {
X = x,
Y = y
};
}
else
{
point = pActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint((int)x, (int)y);
}
double dPixelUnits = 3.0;
dPixelUnits = GISFunFactory.UnitFun.ConvertPixelsToMapUnits(pActiveView, dPixelUnits, true);
IEnumElement element = null;
element = (pActiveView as IGraphicsContainer).LocateElements(point, dPixelUnits);
if (element == null)
{
return(false);
}
IElement element2 = null;
element.Reset();
for (element2 = element.Next(); element2 != null; element2 = element.Next())
{
if (!element2.Locked)
{
return(true);
}
}
}
return(false);
}
catch (Exception exception)
{
this.mErrOpt.ErrorOperate(this.mSubSysName, "FunFactory.ElementFun", "HitTestElement", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
return(false);
}
}
/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
try
{
m_pAV = m_pHookHelper.ActiveView;
IViewManager pViewManager = (IViewManager)m_pAV;
IEnumElement pEnumElement = (IEnumElement)pViewManager.ElementSelection;
pEnumElement.Reset();
IElement pElement = pEnumElement.Next();
if (pElement == null)
{
return;
}
int i = 0;
while (pElement != null)
{
i++;
pElement = pEnumElement.Next();
if (i > 1)
{
return;
}
}
pEnumElement.Reset();
pElement = pEnumElement.Next();
if (pElement is IMapSurroundFrame)
{
IMapSurroundFrame pMapSFrame = (IMapSurroundFrame)pElement;
if (pMapSFrame.MapSurround is ILegend)
{
frmAddLegend vFrmLegend = new frmAddLegend(false);
vFrmLegend.SetMapSurroundFrame(pMapSFrame);
return;
}
}
frmElementProperty frm = new frmElementProperty(2);
frm.StartEditElement(m_pAV, ref pElement);
frm.ShowDialog();
frm.Dispose();
}
catch { }
}
/// <summary>
/// 在屏幕中添加标记元素
/// </summary>
/// <param name="n"></param>
private void drawElement(ExceptionsInfo n)
{
IFeature pFeature;
IQueryFilter pQFilter = new QueryFilter();
pQFilter.WhereClause = "\"projectName\"='" + n.ProjectID + "'";
IFeatureLayer pFlayer = LayerHelper.getFeatureLayerFromMap(axMapControl1.Map, "Cities"); //获取特定图层
IFeatureCursor pFtCursor = pFlayer.Search(pQFilter, true); //查找对应结果的要素
IRgbColor pColor1 = setRGBColor(255, 0, 0, 255);
IRgbColor pColor2 = setRGBColor(0, 255, 0, 255);
IElement ele = createElement(pColor1, pColor2);
IElementProperties pEleProperties = (IElementProperties)ele;
pEleProperties.Name = n.ProjectID; //设置element的Name属性方便查找
IGraphicsContainer pGContainer = axMapControl1.Map as IGraphicsContainer;
IActiveView pView = pGContainer as IActiveView;
while ((pFeature = pFtCursor.NextFeature()) != null)
{
IPoint pPoint = pFeature.Shape as IPoint;
IElement pEleTemp;
IEnumElement pEnumEle = queryElementOnMap(pPoint, 0);
if (pEnumEle != null) //检查地图中是否已存在此元素
{
while ((pEleTemp = pEnumEle.Next()) != null)
{
IElementProperties pEleProTemp = (IElementProperties)pEleTemp;
if (pEleProTemp.Name == n.ProjectID)
{
return;
}
//if (!pEleProTemp.Name.Contains(n.ProjectID))
//{
// pEleProTemp.Name += "," + n.ProjectID;
// pGContainer.UpdateElement((IElement)pEleProTemp);
// return;
//}
}
}
ele.Geometry = pPoint;
pGContainer.AddElement(ele, 0);
}
}
/// <summary>
/// 从组合元素中获取所有子元素（包括所有层级的子元素，但不包括组合元素本身）
/// </summary>
/// <param name="groupElement">组合元素</param>
/// <returns></returns>
public static List <IElement> GetElements(this IGroupElement groupElement)
{
List <IElement> elementList = new List <IElement>();
IEnumElement enumEle = groupElement.Elements;
IElement tmpEle;
while ((tmpEle = enumEle.Next()) != null)
{
if ((tmpEle as IGroupElement) != null)
{
elementList.AddRange(GetElements(tmpEle as IGroupElement));
}
else
{
elementList.Add(tmpEle);
}
}
return(elementList);
}
/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
// TODO: Add CmdDelectSelElement.OnClick implementation
IGraphicsContainer pGraphicsContainer = m_hookHelper.ActiveView.GraphicsContainer;
IGraphicsContainerSelect pGraphicsContainerSelect = pGraphicsContainer as IGraphicsContainerSelect;
int SelectElementCount = pGraphicsContainerSelect.ElementSelectionCount;
IEnumElement pEnumElement = pGraphicsContainerSelect.SelectedElements;
pEnumElement.Reset();
IElement pElement = pEnumElement.Next();
for (int i = 0; i < SelectElementCount; i++)
{
pGraphicsContainer.DeleteElement(pElement);
pElement = pEnumElement.Next();
m_hookHelper.ActiveView.Refresh();
}
}
/// <summary>
/// 根据点击位置和需要的element类型，取得在该位置的给类型的element
/// </summary>
/// <param name="pPoint"></param>
/// <param name="geometryType"></param>
/// <returns></returns>
private IElement getElement(IPoint pPoint, esriGeometryType geometryType)
{
IEnumElement pEnumElement = this.pGraphicContainer.LocateElements(pPoint, this.axMapControl1.ActiveView.Extent.Width / 100);
if (pEnumElement != null)
{
pEnumElement.Reset();
IElement pElement;
for (pElement = pEnumElement.Next(); pElement != null; pElement = pEnumElement.Next())
{
if (pElement.Geometry.GeometryType == geometryType)
{
this.hitElement = pElement;
return(pElement);
}
}
return(null);
}
return(null);
}
public static IGeometry get_GraphicShape(IEnumElement theElements, int a_Dimensionality, bool multipart)
{
IGeometry theReturn = null;
IGeometryCollection theGeomColl = null;
object missing = Type.Missing;
if (theElements != null)
{
theElements.Reset();
IElement theElement = theElements.Next();
while (theElement != null)
{
if (theGeomColl == null)
theGeomColl = new GeometryBagClass();
IGeometry theShape = null;
if (theElement is IGroupElement)
{
theShape = get_GraphicShape(((IGroupElement)theElement).Elements, a_Dimensionality, multipart);
}
else if (theElement is ICircleElement
|| theElement is IPolygonElement
|| theElement is IRectangleElement
|| theElement is IEllipseElement
|| theElement is ILineElement
|| theElement is IMarkerElement)
theShape = theElement.Geometry;
if (theShape != null)
theGeomColl.AddGeometry(theShape, ref missing, ref missing);
theElement = theElements.Next();
}
}
if (theGeomColl != null && theGeomColl.GeometryCount > 0)
{
ITopologicalOperator theTopoOp = null;
switch (a_Dimensionality)
{
case 0:
if (multipart)
{
theTopoOp = new MultipointClass();
theTopoOp.ConstructUnion((IEnumGeometry)theGeomColl);
}
else
theTopoOp = theGeomColl.get_Geometry(0) as ITopologicalOperator;
break;
case 1:
theTopoOp = new PolylineClass();
theTopoOp.ConstructUnion((IEnumGeometry)theGeomColl);
break;
case 2:
theTopoOp = new PolygonClass();
theTopoOp.ConstructUnion((IEnumGeometry)theGeomColl);
break;
}
theReturn = theTopoOp as IGeometry;
}
return theReturn;
}
public static int get_Dimensionality(IEnumElement theElements, out bool multipart)
{
int theReturn = -1;
multipart = false;
if (theElements != null)
{
theElements.Reset();
IElement theElement = theElements.Next();
while (theElement != null)
{
int theDim = -1;
if (theElement is IGroupElement)
{
theDim = get_Dimensionality(((IGroupElement)theElement).Elements, out multipart);
}
else if (theElement is IFillShapeElement)
{
if (theElement is ICircleElement
|| theElement is IPolygonElement
|| theElement is IRectangleElement
|| theElement is IEllipseElement)
theDim = 2;
}
else if (theElement is ILineElement)
{
theDim = 1;
}
else if (theElement is IMarkerElement)
{
theDim = 0;
}
if (theReturn == -1)
theReturn = theDim;
else if (theReturn != theDim)
theReturn = -1;
else
multipart = true;
if (theReturn == -1)
break;
theElement = theElements.Next();
}
}
return theReturn;
}
/// <summary>
/// 鼠标点击
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void axMapControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseDownEvent e)
{
try
{
if (e.button == 1)//按左键的话
{
IPoint pPoint = new PointClass();//在鼠标点击的位置生成一个点
pPoint.PutCoords(e.mapX, e.mapY);
if (this.btnNewPolyline.Checked)//画多义线
{
if (this.pDisplayFeedback == null)//如果是第一次点击,就建立第一个节点
{
this.pDisplayFeedback = new NewLineFeedbackClass();
this.pDisplayFeedback.Display = this.pScreenDisplay;
((INewLineFeedback)this.pDisplayFeedback).Start(pPoint);
}
else//如果不是第一次点击,就添加节点
{
((INewLineFeedback)this.pDisplayFeedback).AddPoint(pPoint);
}
}
else if (this.btnLineMovePoint.Checked)//移动多义线节点
{
IElement pElement = this.getElement(pPoint, esriGeometryType.esriGeometryPolyline);
if (pElement != null)
{
IPolyline pPolyline = pElement.Geometry as IPolyline;
IHitTest pHitTest = pPolyline as IHitTest;
IPoint hitPoint = new PointClass();
double distance = 0;
bool isOnRightSide = false;
int hitPartIndex = 0;
int hitSegmentIndex = 0;
bool isHit = pHitTest.HitTest(pPoint, this.axMapControl1.ActiveView.Extent.Width / 100, esriGeometryHitPartType.esriGeometryPartVertex, hitPoint, ref distance, ref hitPartIndex, ref hitSegmentIndex, ref isOnRightSide);
if (isHit)
{
this.pDisplayFeedback = new LineMovePointFeedbackClass();
this.pDisplayFeedback.Display = this.pScreenDisplay;
((ILineMovePointFeedback)this.pDisplayFeedback).Start(pPolyline, hitSegmentIndex, pPoint);
}
}
}
else if (this.btnNewCircle.Checked)//画圆
{
this.pDisplayFeedback = new NewCircleFeedbackClass();
this.pDisplayFeedback.Display = this.pScreenDisplay;
((INewCircleFeedback)this.pDisplayFeedback).Start(pPoint);
}
else if (this.btnNewEnvelope.Checked)//画矩形
{
this.pDisplayFeedback = new NewEnvelopeFeedbackClass();
this.pDisplayFeedback.Display = this.pScreenDisplay;
((INewEnvelopeFeedback)this.pDisplayFeedback).Constraint = esriEnvelopeConstraints.esriEnvelopeConstraintsNone;
((INewEnvelopeFeedback)this.pDisplayFeedback).Start(pPoint);
}
else if (this.btnNewPolygon.Checked)//画多边形
{
if (this.pDisplayFeedback == null)//如果是第一次点击,就建立第一个节点
{
this.pDisplayFeedback = new NewPolygonFeedbackClass();
this.pDisplayFeedback.Display = this.pScreenDisplay;
((INewPolygonFeedback)this.pDisplayFeedback).Start(pPoint);
}
else//如果不是第一次点击,就添加节点
{
((INewPolygonFeedback)this.pDisplayFeedback).AddPoint(pPoint);
}
}
else if (this.btnPolygonMovePoint.Checked)//移动多边形节点
{
IElement pElement = this.getElement(pPoint, esriGeometryType.esriGeometryPolygon);
if (pElement != null)
{
IPolygon pPolygon = pElement.Geometry as IPolygon;
IHitTest pHitTest = pPolygon as IHitTest;
IPoint hitPoint = new PointClass();
double distance = 0;
bool isOnRightSide = true;
int hitPartIndex = 0;
int hitSegmentIndex = 0;
bool isHit = pHitTest.HitTest(pPoint, this.axMapControl1.ActiveView.Extent.Width / 100, esriGeometryHitPartType.esriGeometryPartVertex, hitPoint, ref distance, ref hitPartIndex, ref hitSegmentIndex, ref isOnRightSide);
if (isHit)
{
this.pDisplayFeedback = new PolygonMovePointFeedbackClass();
this.pDisplayFeedback.Display = this.pScreenDisplay;
((IPolygonMovePointFeedback)this.pDisplayFeedback).Start(pPolygon, hitSegmentIndex, pPoint);
}
}
}
else if (this.btnNewBezierCurve.Checked)//新建Bezier曲线
{
if (this.pDisplayFeedback == null)//如果是第一次点击
{
this.pDisplayFeedback = new NewBezierCurveFeedbackClass();
this.pDisplayFeedback.Display = this.pScreenDisplay;
((INewBezierCurveFeedback)this.pDisplayFeedback).Start(pPoint);
}
else//如果不是第一次点击
{
((INewBezierCurveFeedback)this.pDisplayFeedback).AddPoint(pPoint);
}
}
else if (this.btnMoveGeometry.Checked)//移动几何对象
{
this.pEnumElement = this.pGraphicContainer.LocateElements(pPoint, this.pActiveView.Extent.Width / 100);
if (this.pEnumElement != null)
{
this.pDisplayFeedback = new MoveGeometryFeedbackClass();
this.pDisplayFeedback.Display = this.pScreenDisplay;
IElement pElement;
this.pEnumElement.Reset();
//需要逐个逐个添加Geometry
for (pElement = this.pEnumElement.Next(); pElement != null; pElement = this.pEnumElement.Next())
{
((IMoveGeometryFeedback)this.pDisplayFeedback).AddGeometry(pElement.Geometry);
}
((IMoveGeometryFeedback)this.pDisplayFeedback).Start(pPoint);
this.moveGeometryStartPoint = pPoint;
}
}
else if (this.btnStretchLine.Checked)//拉伸多义线
{
IElement pElement = this.getElement(pPoint, esriGeometryType.esriGeometryPolyline);
if (pElement != null)
{
IPolyline pPolyline = pElement.Geometry as IPolyline;
this.pDisplayFeedback = new StretchLineFeedbackClass();
this.pDisplayFeedback.Display = this.pScreenDisplay;
((IStretchLineFeedback)this.pDisplayFeedback).Anchor = pPolyline.FromPoint;
((IStretchLineFeedback)this.pDisplayFeedback).Start(pPolyline, pPoint);
}
}
}
else if (e.button == 2)//按右键的就把画面清空
{
if (this.pDisplayFeedback == null)
{
this.pGraphicContainer.DeleteAllElements();
this.axMapControl1.Refresh();
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// 松开鼠标
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void axMapControl1_OnMouseUp(object sender, IMapControlEvents2_OnMouseUpEvent e)
{
if (this.pDisplayFeedback != null)
{
if (this.btnLineMovePoint.Checked)//移动多义线节点
{
IGeometry pGeometry = ((ILineMovePointFeedback)this.pDisplayFeedback).Stop();
if (pGeometry != null)
{
this.hitElement.Geometry = pGeometry;
this.pGraphicContainer.UpdateElement(this.hitElement);
}
this.hitElement = null;
this.pDisplayFeedback = null;
this.axMapControl1.Refresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
else if (this.btnNewCircle.Checked)//画圆
{
IGeometry pGeometry = ((INewCircleFeedback)this.pDisplayFeedback).Stop();
this.AddElement(pGeometry);
this.pDisplayFeedback = null;
}
else if (this.btnNewEnvelope.Checked)//画矩形
{
IGeometry pGeometry = ((INewEnvelopeFeedback)this.pDisplayFeedback).Stop();
this.AddElement(pGeometry);
this.pDisplayFeedback = null;
}
else if (this.btnPolygonMovePoint.Checked)//移动多边形节点
{
IGeometry pGeometry = ((IPolygonMovePointFeedback)this.pDisplayFeedback).Stop();
if (pGeometry != null)
{
this.hitElement.Geometry = pGeometry;
this.pGraphicContainer.UpdateElement(this.hitElement);
}
this.hitElement = null;
this.pDisplayFeedback = null;
this.axMapControl1.Refresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
else if (this.btnMoveGeometry.Checked)//移动几何对象
{
if (this.pEnumElement != null)
{
this.pEnumElement.Reset();
IElement pElement;
ITransform2D pTransform2D;
//需要用ITransform2D接口逐个逐个的移动element
for (pElement = this.pEnumElement.Next(); pElement != null; pElement = this.pEnumElement.Next())
{
pTransform2D = pElement as ITransform2D;
pTransform2D.Move(e.mapX - this.moveGeometryStartPoint.X, e.mapY - this.moveGeometryStartPoint.Y);
this.pGraphicContainer.UpdateElement(pElement);
}
this.moveGeometryStartPoint = null;
this.pEnumElement = null;
this.pDisplayFeedback = null;
this.axMapControl1.Refresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
}
else if (this.btnStretchLine.Checked)//拉伸多义线
{
if (this.hitElement != null)
{
IGeometry pGeometry = ((IStretchLineFeedback)this.pDisplayFeedback).Stop();
this.hitElement.Geometry = pGeometry;
this.pGraphicContainer.UpdateElement(this.hitElement);
this.hitElement = null;
this.pDisplayFeedback = null;
this.axMapControl1.Refresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
}
}
}
private static int get_Dimensionality(IEnumElement theElements, out bool multipart)
{
int theReturn = -1;
multipart = false;
try
{
if (theElements != null)
{
theElements.Reset();
IElement theElement = theElements.Next();
while (theElement != null)
{
int theDim = -1;
if (theElement is IGroupElement)
{
theDim = get_Dimensionality(((IGroupElement)theElement).Elements, out multipart);
}
else if (theElement is IFillShapeElement)
{
if (theElement is ICircleElement
|| theElement is IPolygonElement
|| theElement is IRectangleElement
|| theElement is IEllipseElement)
theDim = 2;
}
else if (theElement is ILineElement)
{
theDim = 1;
}
else if (theElement is IMarkerElement)
{
theDim = 0;
}
if (theReturn == -1)
theReturn = theDim;
else if (theReturn != theDim)
theReturn = -1;
else
multipart = true;
if (theReturn == -1)
break;
theElement = theElements.Next();
}
}
}
catch(Exception ex)
{
util.Logger.Write(" Descrip : Determining the dimensionality of graphic elements. " +
"\n Message : " + ex.Message +
"\n StackTrc : " + ex.StackTrace,util.Logger.LogLevel.Debug);
}
return theReturn;
}
private static IGeometry get_GraphicShape(IEnumElement theElements, int a_Dimensionality, bool multipart, ref IElementCollection elemCollection)
{
IGeometry theReturn = null;
IGeometryCollection theGeomColl = null;
object missing = Type.Missing;
try
{
elemCollection.Clear();
if (theElements != null)
{
theElements.Reset();
IElement theElement = theElements.Next();
while (theElement != null)
{
if (theGeomColl == null)
theGeomColl = new GeometryBagClass();
IGeometry theShape = null;
if (theElement is IGroupElement)
{
theShape = get_GraphicShape(((IGroupElement)theElement).Elements, a_Dimensionality, multipart,ref elemCollection);
}
else if (theElement is ICircleElement
|| theElement is IPolygonElement
|| theElement is IRectangleElement
|| theElement is IEllipseElement
|| theElement is ILineElement
|| theElement is IMarkerElement)
theShape = theElement.Geometry;
if (theShape != null)
theGeomColl.AddGeometry(theShape, ref missing, ref missing);
elemCollection.Add(theElement,-1);
theElement = theElements.Next();
}
}
if (theGeomColl != null && theGeomColl.GeometryCount > 0)
{
ITopologicalOperator theTopoOp = null;
switch (a_Dimensionality)
{
case 0:
if (multipart)
{
theTopoOp = new MultipointClass();
theTopoOp.ConstructUnion((IEnumGeometry)theGeomColl);
}
else
theTopoOp = theGeomColl.get_Geometry(0) as ITopologicalOperator;
break;
case 1:
theTopoOp = new PolylineClass();
theTopoOp.ConstructUnion((IEnumGeometry)theGeomColl);
break;
case 2:
theTopoOp = new PolygonClass();
theTopoOp.ConstructUnion((IEnumGeometry)theGeomColl);
break;
}
theReturn = theTopoOp as IGeometry;
}
}
catch(Exception ex)
{
util.Logger.Write(" Descrip : Finding elements with a specific dimensionality. " +
"\n Message : " + ex.Message +
"\n StackTrc : " + ex.StackTrace,util.Logger.LogLevel.Debug);
}
return theReturn;
}
