void _inputView_drawingGraphicsChangedListener(object sender,
DrawingGraphicsChangedEventArgs e)
{
if (_inputView == null) return;
if(RB2.IsChecked.Value)
{
List<Tuple<IGraphic, string>> polylines =
getPolylines(_inputView.drawingLayer);
LineLB.ItemsSource = polylines;
LineLB.SelectedIndex = LineLB.Items.Count - 1;
}
}
public async Task drawGraphics(DrawShapeType drawShapeType)
{
if (Globals.isThreadUnsafe())
{
await Globals.application.Dispatcher.Invoke(new Func<Task>(async () =>
{
await drawGraphics(drawShapeType);
}));
return;
}
// Add a drawing graphics layer
if (_drawingLayer == null)
{
_drawingLayer = new IS3GraphicsLayer();
_drawingLayer.ID = "0";
_drawingLayer.DisplayName = "0";
_map.Layers.Add(_drawingLayer);
}
if (_mapView.Editor.IsActive)
return;
try
{
Geometry geom = await _mapView.Editor.RequestShapeAsync((DrawShape)drawShapeType);
if (_srEMap != null)
geom = GeometryEngine.Project(geom, _srEMap);
IGeometry iGeom = IS3GeometryEngine.fromGeometry(geom);
IGraphic g = Runtime.graphicEngine.newGraphic(iGeom);
GraphicsUtil.AssignDefaultDrawingSymbol(g);
_drawingLayer.graphics.Add(g);
// trigger a drawing graphics changed event
if (drawingGraphicsChangedTrigger != null)
{
DrawingGraphicsChangedEventArgs args =
new DrawingGraphicsChangedEventArgs();
List<IGraphic> addedItems = new List<IGraphic>();
addedItems.Add(g);
args.addedItems = addedItems;
drawingGraphicsChangedTrigger(this, args);
}
}
catch (TaskCanceledException)
{
// Ignore TaskCanceledException - usually happens if the editor gets cancelled or restarted
}
}