根据PinPoint组件获取地图上的标记信息【原创】

pinPoint的属性设置：
ClientCommand：InfoCommandNew
ClientInteraction：ClickInteraction
Command：AddPinPointCommand

function InfoCommandNew(name, interaction)
{
 if (arguments.length > 0) {
  this.Init(name, interaction);
 }
}
InfoCommandNew.prototype = new MapCommand();
InfoCommandNew.prototype.constructor = InfoCommandNew;
InfoCommandNew.superclass = MapCommand.prototype;
InfoCommandNew.prototype.Execute = function()
{
 this.CreateUrl();
 this.AddParamToUrl("PixelTolerance", this.pixelTolerance);
 //create an XMLHttp obj to send request to server
 var xmlHttp = CreateXMLHttp();
 xmlHttp.open("GET", this.url, false);
 xmlHttp.send(null);
 //get response back
 this.result = xmlHttp.responseText;

 

 //if(Div1.style.visibility != "visible")

 //var mapImage = document.getElementById("image2");
 //mapImage.src="MapXtremeWebResources/Lplus.gif";MapXtremeWebResources/link.gif
 
 var friend_array =this.result.split("@");

 var friend_array1 =friend_array[0].split(",");

 parent.frames["FrameMappingPosition"].document.getElementById("txtJingDu").value=friend_array1[0];
 parent.frames["FrameMappingPosition"].document.getElementById("txtWeiDu").value=friend_array1[1];
    window.location.href("FrmMappingMap.aspx");
};

 [Serializable]
    public class AddPinPointCommand : MapInfo.WebControls.MapBaseCommand
    {
        /// <summary>
        /// Constructor for this command, sets the name of the command
        /// </summary>
        /// <remarks>None</remarks>
        public AddPinPointCommand()
        {
            Name = "AddPinPointCommand";
        }
        /// <summary>
        /// This method gets the map object out of the mapfactory with given mapalias and
        /// Adds a point feature into a temp layer, exports it to memory stream and streams it back to client.
        /// </summary>
        /// <remarks>None</remarks>
        private void insertXY(Double x, Double y, string sj)
        {
            DataId.x = "";
            DataId.y = "";
            //MapInfo.Mapping.Map map = model.GetMapObj(MapAlias);
            MIConnection _miConnection = new MIConnection();
            _miConnection.Open();

            MapInfo.Mapping.Map map1 = MapInfo.Engine.Session.Current.MapFactory[MapAlias];

            MapInfo.Geometry.CoordSys coordSys = map1.GetDisplayCoordSys();

            MapInfo.Geometry.FeatureGeometry g;
            MapInfo.Styles.SimpleVectorPointStyle vs;
            MapInfo.Styles.CompositeStyle cs;

            g = new MapInfo.Geometry.Point(coordSys, x, y);
            vs = new MapInfo.Styles.SimpleVectorPointStyle(46, System.Drawing.Color.Red, 10);
            MICommand cmd2 = _miConnection.CreateCommand();
            cmd2.CommandText = "Delete from Title";
            int nchanged2 = cmd2.ExecuteNonQuery();
            cmd2.Dispose();
            MICommand cmd = _miConnection.CreateCommand();
            cmd.Parameters.Add("geometry", MIDbType.FeatureGeometry);
            cmd.Parameters.Add("style", MIDbType.Style);
            cmd.Parameters.Add("name1", MIDbType.String);
            cmd.Parameters.Add("ID", MIDbType.String);
            cmd.Parameters.Add("xx", MIDbType.String);
            cmd.Parameters.Add("yy", MIDbType.String);
            cmd.CommandText = "Insert Into Title(obj,MI_Style,name,jd,wd) values (geometry,style,name1,xx,yy)";
            cmd.Prepare();
            cmd.Parameters[0].Value = g;
            cmd.Parameters[1].Value = vs;
            cmd.Parameters[2].Value = sj;
            cmd.Parameters[3].Value = x;
            cmd.Parameters[4].Value = y;
            int nchanged = cmd.ExecuteNonQuery();
            cmd.Dispose();
            // _miConnection.Close();
        }
        public override void Process()
        {
            // Extract points from the string
            System.Drawing.Point[] points = this.ExtractPoints(this.DataString);

            MapControlModel model = MapControlModel.GetModelFromSession();
            model.SetMapSize(MapAlias, MapWidth, MapHeight);
            MapInfo.Mapping.Map map = model.GetMapObj(MapAlias);
            if (map == null) return;
            // There will be only one point, convert it to spatial
            MapInfo.Geometry.DPoint point;
            map.DisplayTransform.FromDisplay(points[0], out point);
            string ss = CommandKey.ToString();         
            DataId.Zoom = map.Zoom.Value.ToString();
            string stringstr = point.x.ToString() + "," + point.y.ToString();
            DataId.x1 = point.x.ToString();
            DataId.y1 = point.y.ToString();
            System.Web.UI.WebControls.Table infoTable = new System.Web.UI.WebControls.Table();          
            System.Drawing.Color backColor = Color.Bisque;
            //add the first row, the layer name/value where the selected feature belongs
            TableRow r = new TableRow();
            TableCell c = new TableCell();
            c.Text = stringstr;
            r.Cells.Add(c);
            infoTable.Rows.Add(r);
            StringWriter sw = new StringWriter();
            HtmlTextWriter hw = new HtmlTextWriter(sw);
            infoTable.RenderControl(hw);
            String strHTML = sw.ToString();
            HttpContext.Current.Response.Output.Write(stringstr + "@");
            insertXY(Convert.ToDouble(point.x.ToString()), Convert.ToDouble(point.y.ToString()), DataId.DressName);
        }
    }