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);
}
//绘制单个点操作
public void DrawPoint(IActiveView activeView, IPoint p, bool red)
{
if (activeView == null)
{
return;
}
ESRI.ArcGIS.Display.IScreenDisplay screenDisplay = activeView.ScreenDisplay;
screenDisplay.StartDrawing(screenDisplay.hDC, (System.Int16)ESRI.ArcGIS.Display.esriScreenCache.esriNoScreenCache);
ESRI.ArcGIS.Display.ISimpleMarkerSymbol simpleMarkerSymbol = new ESRI.ArcGIS.Display.SimpleMarkerSymbolClass();
simpleMarkerSymbol.Style = ESRI.ArcGIS.Display.esriSimpleMarkerStyle.esriSMSCross;
simpleMarkerSymbol.Size = 15;
if (red)
{
simpleMarkerSymbol.Color = redColor;
}
else
{
simpleMarkerSymbol.Color = greenColor;
}
ESRI.ArcGIS.Display.ISymbol symbol = simpleMarkerSymbol as ESRI.ArcGIS.Display.ISymbol; // Dynamic cast.
screenDisplay.SetSymbol(symbol);
ESRI.ArcGIS.Display.IDisplayTransformation displayTransformation = screenDisplay.DisplayTransformation;
screenDisplay.DrawPoint(p);
screenDisplay.FinishDrawing();
}
public ESRI.ArcGIS.Geometry.IEnvelope DrawRectangle(ESRI.ArcGIS.Carto.IActiveView activeView)
{
if (activeView == null)
{
return(null);
}
else
{
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.RgbColorClass();
//rgbColor.Red = 255;
//ESRI.ArcGIS.Display.IColor color = rgbColor; // Implicit Cast
ESRI.ArcGIS.Display.ISimpleFillSymbol simpleFillSymbol = new ESRI.ArcGIS.Display.SimpleFillSymbolClass();
//simpleFillSymbol.Color = color;
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSHollow;
ESRI.ArcGIS.Display.ISymbol symbol = simpleFillSymbol as ESRI.ArcGIS.Display.ISymbol; // Dynamic Cast
ESRI.ArcGIS.Display.IRubberBand rubberBand = new ESRI.ArcGIS.Display.RubberEnvelopeClass();
ESRI.ArcGIS.Geometry.IGeometry geometry = rubberBand.TrackNew(screenDisplay, symbol);
screenDisplay.SetSymbol(symbol);
ESRI.ArcGIS.Geometry.IEnvelope pEnvelope = geometry as ESRI.ArcGIS.Geometry.IEnvelope;
screenDisplay.DrawRectangle(pEnvelope); // Dynamic Cast
screenDisplay.FinishDrawing();
return(pEnvelope);
}
}
public void DrawPolygon(ESRI.ArcGIS.Carto.IActiveView activeView)
{
if (activeView == null)
{
return;
}
ESRI.ArcGIS.Display.IScreenDisplay screenDisplay = activeView.ScreenDisplay;
screenDisplay.StartDrawing(screenDisplay.hDC, (System.Int16)ESRI.ArcGIS.Display.esriScreenCache.esriNoScreenCache); // Explicit Cast
ESRI.ArcGIS.Display.IRgbColor rgbColor = new ESRI.ArcGIS.Display.RgbColorClass();
rgbColor.Red = 255;
ESRI.ArcGIS.Display.IColor color = rgbColor; // Implicit Cast
ESRI.ArcGIS.Display.ISimpleFillSymbol simpleFillSymbol = new ESRI.ArcGIS.Display.SimpleFillSymbolClass();
simpleFillSymbol.Color = color;
ESRI.ArcGIS.Display.ISymbol symbol = simpleFillSymbol as ESRI.ArcGIS.Display.ISymbol; // Dynamic Cast
ESRI.ArcGIS.Display.IRubberBand rubberBand = new ESRI.ArcGIS.Display.RubberPolygonClass();
ESRI.ArcGIS.Geometry.IGeometry geometry = rubberBand.TrackNew(screenDisplay, symbol);
screenDisplay.SetSymbol(symbol);
screenDisplay.DrawPolygon(geometry);
screenDisplay.FinishDrawing();
}
//绘制线操作
public void DrawLine(IActiveView activeView, IPoint fromP, IPoint toP)
{
if (activeView == null)
{
return;
}
IPolyline polyline = new PolylineClass();
polyline.FromPoint = fromP;
polyline.ToPoint = toP;
ESRI.ArcGIS.Display.IScreenDisplay screenDisplay = activeView.ScreenDisplay;
screenDisplay.StartDrawing(screenDisplay.hDC, (System.Int16)ESRI.ArcGIS.Display.esriScreenCache.esriNoScreenCache);
ILineSymbol lineSymbol = new SimpleLineSymbolClass();
lineSymbol.Color = blackColor;
lineSymbol.Width = 1;
ESRI.ArcGIS.Display.ISymbol symbol = lineSymbol as ESRI.ArcGIS.Display.ISymbol; // Dynamic cast.
screenDisplay.SetSymbol(symbol);
ESRI.ArcGIS.Display.IDisplayTransformation displayTransformation = screenDisplay.DisplayTransformation;
IGeometry pGeo = polyline;
screenDisplay.DrawPolyline(pGeo);
screenDisplay.FinishDrawing();
}
public void DrawPoint(ESRI.ArcGIS.Carto.IActiveView activeView, System.Int32 x, System.Int32 y)
{
if (activeView == null)
{
return;
}
ESRI.ArcGIS.Display.IScreenDisplay screenDisplay = activeView.ScreenDisplay;
// Constant
screenDisplay.StartDrawing(screenDisplay.hDC, (System.Int16)ESRI.ArcGIS.Display.esriScreenCache.esriNoScreenCache); // Explicit Cast
ESRI.ArcGIS.Display.ISimpleMarkerSymbol simpleMarkerSymbol = new ESRI.ArcGIS.Display.SimpleMarkerSymbolClass();
ESRI.ArcGIS.Display.ISymbol symbol = simpleMarkerSymbol as ESRI.ArcGIS.Display.ISymbol; // Dynamic Cast
screenDisplay.SetSymbol(symbol);
ESRI.ArcGIS.Display.IDisplayTransformation displayTransformation = screenDisplay.DisplayTransformation;
// x and y are in device coordinates
ESRI.ArcGIS.Geometry.IPoint point = displayTransformation.ToMapPoint(x, y);
screenDisplay.DrawPoint(point);
screenDisplay.FinishDrawing();
}
