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???
GISSelect gs = new GISSelect();
if (gs.Select(v, layer.GetAllFeatures(), layer.ShapeType, view)
== SelectResult.OK)
{
Console.WriteLine(gs.SelectedFeature.getAttribute(0).ToString());
MessageBox.Show(gs.SelectedFeature.getAttribute(0).ToString());
}
}
