public IGeometry DrawPolyline(ESRI.ArcGIS.Carto.IActiveView activeView)
{
if (activeView == null)
{
return(null);
}
ESRI.ArcGIS.Display.IScreenDisplay screenDisplay = activeView.ScreenDisplay;
// Constant
screenDisplay.StartDrawing(screenDisplay.hDC, (System.Int16)ESRI.ArcGIS.Display.esriScreenCache.esriNoScreenCache); // Explicit Cast
ESRI.ArcGIS.Display.IRgbColor rgbColor = new ESRI.ArcGIS.Display.RgbColor();
rgbColor.Red = 255;
ESRI.ArcGIS.Display.IColor color = rgbColor; // Implicit Cast
ESRI.ArcGIS.Display.ISimpleLineSymbol simpleLineSymbol = new SimpleLineSymbol();
simpleLineSymbol.Color = color;
simpleLineSymbol.Style = esriSimpleLineStyle.esriSLSDashDot;
ESRI.ArcGIS.Display.ISymbol symbol = (ESRI.ArcGIS.Display.ISymbol)simpleLineSymbol; // Explicit Cast
ESRI.ArcGIS.Display.IRubberBand rubberBand = new RubberLine();
ESRI.ArcGIS.Geometry.IGeometry geometry = rubberBand.TrackNew(screenDisplay, symbol);
screenDisplay.SetSymbol(symbol);
screenDisplay.DrawPolyline(geometry);
screenDisplay.FinishDrawing();
return(geometry);
}
private void line绘制线ToolStripMenuItem_Click(object sender, EventArgs e)
{
// 创建图形
IPolyline pPolyline = new Polyline() as IPolyline;
IRubberBand pRubberBand = new RubberLine();
pPolyline = pRubberBand.TrackNew(axMapControl1.ActiveView.ScreenDisplay, null) as IPolyline;
// 创建符号
ISimpleLineSymbol pSimpleLineSymbol = new SimpleLineSymbol();
pSimpleLineSymbol.Width = 2;
pSimpleLineSymbol.Style = esriSimpleLineStyle.esriSLSSolid;
// pSimpleLineSymbol.Color = GetRGBColor(44, 44, 44);
// 创建Element并赋值图形和符号
ILineElement pLineElement = new LineElement() as ILineElement;
IElement pElement = pLineElement as IElement;
pElement.Geometry = pPolyline;
pLineElement.Symbol = pSimpleLineSymbol;
// 添加到IGraphicsContainer容器
IGraphicsContainer pGraphicsContainer = axMapControl1.Map as IGraphicsContainer;
pGraphicsContainer.AddElement(pLineElement as IElement, 0);
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
protected override void OnMouseDown(ESRI.ArcGIS.Desktop.AddIns.Tool.MouseEventArgs arg)
{
IMxDocument pMxDoc = ArcMap.Application.Document as IMxDocument;
//get line from drawing
IRubberBand pRubber = new RubberLine();
//IPolyline pPloyline = pRubber.TrackNew(pMxDoc.ActivatedView.ScreenDisplay, null) as IPolyline;
//get lines from hard coded
IPolyline pPloyline;
//create points
IPoint pPoint1 = new Point();
pPoint1.X = -92.675984;
pPoint1.Y = 194.232396;
IPoint pPoint2 = new Point();
pPoint2.X = -78.115341;
pPoint2.Y = 133.077697;
IPoint pPoint3 = new Point();
pPoint3.X = 13.616707;
pPoint3.Y = 0.090495;
IPointCollection pPointCollection = new Polyline();
pPointCollection.AddPoint(pPoint1);
pPointCollection.AddPoint(pPoint2);
pPointCollection.AddPoint(pPoint3);
IFeatureLayer pFLayer = pMxDoc.FocusMap.Layer[0] as IFeatureLayer;
IDataset pDS = pFLayer.FeatureClass as IDataset;
IWorkspaceEdit pWSE = pDS.Workspace as IWorkspaceEdit;
pWSE.StartEditing(false);
pWSE.StartEditOperation();
IFeature pFeature = pFLayer.FeatureClass.CreateFeature();
pFeature.Shape = pPointCollection as IGeometry;
pFeature.Store();
pWSE.StopEditOperation();
pWSE.StopEditing(true);
pMxDoc.ActivatedView.Refresh();
}
protected override void OnMouseDown(MouseEventArgs arg)
{
IMxDocument pMxdoc = ArcMap.Application.Document as IMxDocument;
IRubberBand pRubber = new RubberLine();
IPolyline pPolyline;// pRubber.TrackNew(pMxdoc.ActiveView.ScreenDisplay, null) as IPolyline;
IPoint pPoint1 = new Point();
pPoint1.X = -2140489.683;
pPoint1.Y = 33264366.694;
IPoint pPoint2 = new Point();
pPoint2.X = 19727215.727;
pPoint2.Y = 27942068.023;
IPoint pPoint3 = new Point();
pPoint3.X = 30400767.253;
pPoint3.Y = 14570156.281;
IPointCollection pPointCollection = new Polyline();
pPointCollection.AddPoint(pPoint1);
pPointCollection.AddPoint(pPoint2);
pPointCollection.AddPoint(pPoint3);
IFeatureLayer pFLayer = pMxdoc.FocusMap.Layer[0] as IFeatureLayer;
IDataset pDS = pFLayer.FeatureClass as IDataset;
IWorkspaceEdit pWSE = pDS.Workspace as IWorkspaceEdit;
pWSE.StartEditing(false);
pWSE.StartEditOperation();
IFeature pFeature = pFLayer.FeatureClass.CreateFeature();
pFeature.Shape = pPointCollection as IGeometry;
pFeature.Store();
pWSE.StopEditOperation();
pWSE.StopEditing(true);
pMxdoc.ActiveView.Refresh();
}
public static void NewLineElement(IMap pMap, IPolyline pPolyLine)
{
IActiveView pActiveView = pMap as IActiveView;
IGraphicsContainer activeView = (IGraphicsContainer)pActiveView;
RubberLine rubberLineClass = new RubberLine();
ISimpleLineSymbol simpleLineSymbolClass = new SimpleLineSymbol();
IRgbColor rgbColorClass = new RgbColor();
rgbColorClass.Red = (0);
rgbColorClass.Green = (255);
rgbColorClass.Blue = (255);
simpleLineSymbolClass.Color = (rgbColorClass);
simpleLineSymbolClass.Width = (8);
simpleLineSymbolClass.Style = (esriSimpleLineStyle)(2);
LineElement lineElementClass = new LineElement();
((IElement)lineElementClass).Geometry = (pPolyLine);
activeView.AddElement(lineElementClass, 0);
pActiveView.PartialRefresh((esriViewDrawPhase)8, null, null);
}
protected override void OnMouseDown(MouseEventArgs arg)
{
IMxDocument pmxdoc = ArcMap.Application.Document as IMxDocument;
IRubberBand pRubber = new RubberLine();
IPolyline pPolyline = pRubber.TrackNew(pmxdoc.ActiveView.ScreenDisplay, null) as IPolyline;
IElement pElement = new LineElement();
ILineElement pLineElement = pElement as ILineElement;
pLineElement.Symbol = new SimpleLineSymbol();
pElement.Geometry = pPolyline;
IElementProperties pElementProp = pElement as IElementProperties;
pElementProp.Name = "Hussein Element " + ++i;
IGraphicsContainer pgc = pmxdoc.ActiveView.GraphicsContainer;
pgc.AddElement(pElement, 0);
pmxdoc.ActiveView.Refresh();
}
/// <summary>
/// 屏幕上绘画几何形状
/// </summary>
/// <param name="screenDisplay">ESRI屏幕显示接口</param>
/// <param name="geomType">几何形状类型的枚举类</param>
/// <returns>ESRI几何形状接口</returns>
public static IGeometry ScreenTrackGeometry(IScreenDisplay screenDisplay, DsGeometryType geomType)
{
IGeometry trackGeom = null;
if (screenDisplay != null)
{
IRubberBand rubberBand = null;
switch (geomType)
{
case DsGeometryType.dsGTPoint:
rubberBand = new RubberPoint();
break;
case DsGeometryType.dsGTLine:
rubberBand = new RubberLine();
break;
case DsGeometryType.dsGTPolyline:
rubberBand = new RubberLine();
break;
case DsGeometryType.dsGTRectangle:
rubberBand = new RubberEnvelope();
break;
case DsGeometryType.dsGTCircle:
rubberBand = new RubberCircle();
break;
case DsGeometryType.dsGTEllipse:
rubberBand = new RubberEnvelope();
break;
case DsGeometryType.dsGTPolygon:
rubberBand = new RubberPolygon();
break;
case DsGeometryType.dsGTRectangularPolygon:
rubberBand = new RubberRectangularPolygon();
break;
default:
break;
}
if (rubberBand != null)
{
trackGeom = rubberBand.TrackNew(screenDisplay, null);
}
if (geomType == DsGeometryType.dsGTEllipse)
{
trackGeom = ConvertEnvelopeToEllipticArc(trackGeom);
}
else if ((geomType == DsGeometryType.dsGTLine) ||
(geomType == DsGeometryType.dsGTPolyline) ||
(geomType == DsGeometryType.dsGTPolygon))
{
if (trackGeom is ITopologicalOperator)
{
(trackGeom as ITopologicalOperator).Simplify();
}
}
}
return(trackGeom);
}