private void Form1_MouseClick(object sender, MouseEventArgs e) { if (layer == null) { return; } GISVertex v = view.ToMapVertex(e.Location); Console.WriteLine("mapvertex @" + v.x.ToString() + "|" + v.y.ToString()); //此处鼠标点到地图点的转换??? //创建点选粗选矩形 GISSelect s = new GISSelect(); GISExtent MinSelectExtent = s.BuildExtent(v, view); Point bottomleft = view.ToScreenPoint(MinSelectExtent.bottomleft); Point upleft = view.ToScreenPoint(new GISVertex(MinSelectExtent.bottomleft.x, MinSelectExtent.upright.y)); Point upright = view.ToScreenPoint(MinSelectExtent.upright); Point bottomright = view.ToScreenPoint(new GISVertex(MinSelectExtent.upright.x, MinSelectExtent.bottomleft.y)); Point[] points = new Point[] { bottomleft, upleft, upright, bottomright }; Graphics graphics = this.CreateGraphics(); graphics.DrawPolygon(new Pen(GISConst.PolygonBoundaryColor, GISConst.PolygonBoundaryWidth), points); SelectResult sr = layer.Select(v, view); if (sr == SelectResult.OK) { UpdateMap(); //toolStripStatusLabel1.Text = layer.Selection.Count.ToString(); toolStripStatusLabel2.Text = "click @" + v.x.ToString() + "|" + v.y.ToString(); UpdateAttributeWindow(); //statusStrip1.Text = layer.Selection.Count.ToString(); } }
private void Form1_MouseClick(object sender, MouseEventArgs e) { if (layer == null) { return; } GISVertex v = view.ToMapVertex(e.Location); Console.WriteLine("mapvertex @" + v.x.ToString() + "|" + v.y.ToString()); //此处鼠标点到地图点的转换??? SelectResult sr = layer.Select(v, view); if (sr == SelectResult.OK) { UpdateMap(); //toolStripStatusLabel1.Text = layer.Selection.Count.ToString(); //toolStripStatusLabel2.Text = "click @" + v.x.ToString() + "|" + v.y.ToString(); UpdateAttributeWindow(); //statusStrip1.Text = layer.Selection.Count.ToString(); } }