点选代码

点选代码

1. axMapControl1.MousePointer = esriControlsMousePointer.esriPointerArrow;
2. IGeometry g = null;
3. IEnvelope pEnv;
4. IActiveView pActiveView = axMapControl1.ActiveView;
5. IMap pMap = axMapControl1.Map;
6. pEnv = axMapControl1.TrackRectangle();
7. if (pEnv.IsEmpty == true)
8. {
9. ESRI.ArcGIS.Display.tagRECT r;
10. r.bottom = e.y + 5;
11. r.top = e.y - 5;
12. r.left = e.x - 5;
13. r.right = e.x + 5;
14. pActiveView.ScreenDisplay.DisplayTransformation.TransformRect(pEnv, ref r, 4);
15. pEnv.SpatialReference = pActiveView.FocusMap.SpatialReference;
16. }
17. g = pEnv as IGeometry;
18. axMapControl1.Map.SelectByShape(g, null, false);
19. axMapControl1.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);