private void btnSplitLine_Click(object sender, EventArgs e)
{
LayerOverlay layerOverLay = (LayerOverlay)winformsMap1.Overlays[1];
MapShapeLayer mapShapeLayer = (MapShapeLayer)layerOverLay.Layers[0];
LineShape lineShape = (LineShape)mapShapeLayer.MapShapes["Line1"].Feature.GetShape();
LineShape lineShape2 = (LineShape)mapShapeLayer.MapShapes["Line2"].Feature.GetShape();
//Gets the crossing MultipointShape with the PointShape that will be used to calculate the two split lines.
MultipointShape multipointShape = lineShape.GetCrossing(lineShape2);
//Uses the GetLineOnLine (Dynamic Segmentation) to get the two split lines from the intersection point.
LineShape splitLineShape1 = (LineShape)lineShape.GetLineOnALine(StartingPoint.FirstPoint, multipointShape.Points[0]);
LineShape splitLineShape2 = (LineShape)lineShape.GetLineOnALine(StartingPoint.LastPoint, multipointShape.Points[0]);
//Displays the two split lines with different colors to distinguish them.
MapShape splitMapShape1 = new MapShape(new Feature(splitLineShape1));
splitMapShape1.ZoomLevels.ZoomLevel01.DefaultLineStyle = LineStyles.CreateSimpleLineStyle(GeoColor.StandardColors.Orange, 3, true);
splitMapShape1.ZoomLevels.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
mapShapeLayer.MapShapes.Add("SplitLine1", splitMapShape1);
MapShape splitMapShape2 = new MapShape(new Feature(splitLineShape2));
splitMapShape2.ZoomLevels.ZoomLevel01.DefaultLineStyle = LineStyles.CreateSimpleLineStyle(GeoColor.StandardColors.Turquoise, 3, true);
splitMapShape2.ZoomLevels.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
mapShapeLayer.MapShapes.Add("SplitLine2", splitMapShape2);
//Displays the intersection point as a reference.
MapShape pointMapShape = new MapShape(new Feature(multipointShape.Points[0]));
pointMapShape.ZoomLevels.ZoomLevel01.DefaultPointStyle = PointStyles.CreateSimplePointStyle(PointSymbolType.Circle,
GeoColor.StandardColors.Red, GeoColor.StandardColors.Black, 1, 9);
pointMapShape.ZoomLevels.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
mapShapeLayer.MapShapes.Add("Point", pointMapShape);
winformsMap1.Refresh(layerOverLay);
btnSplitLine.Enabled = false;
}
