public PlaybackSbxjHelper(RMap map,IContainer c) {
            _map = map;
            playOverlay = map.FindOverlay("play");
            if (playOverlay == null) {
                playOverlay = new GMapOverlay(map, "play");
                map.Overlays.Add(playOverlay);
                playRoute = new GMapRoute(new List<GMap.NET.PointLatLng>(), "play");
                playRoute.Stroke.Color = Color.Red;
                playRoute.Stroke.Width = 3;
                playOverlay.Routes.Add(playRoute);
            } 

            car = new GMapMarkerGoogleGreen(new GMap.NET.PointLatLng(0, 0));
            car.ToolTipMode = MarkerTooltipMode.Always;
            car.ToolTipText = "man";
            car.ToolTip.Format.Alignment = StringAlignment.Near;

            playOverlay.Markers.Add(car);

            queue_pos = new Queue<gps_position>();

            dataTimer = new Timer();
            dataTimer.Tick += new EventHandler(dataTimer_Tick);
            dataTimer.Interval = 1;
            playTimer = new Timer();
            playTimer.Tick += new EventHandler(playTimer_Tick);
            playTimer.Interval = 1000;
        }

 public virtual void OnMarkerChanged(GMapMarker marker) {
     GMapMarkerVector markerv = marker as GMapMarkerVector;
     if (markerv.Polygon != null) {
         markerv.Polygon.UpdateRoutePostion(markerv);
         control.UpdatePolygonLocalPosition(markerv.Polygon);
     }
 }

 public MapToolTip(GMapMarker marker)
    : base(marker)
 {
    Stroke = new Pen(Color.FromArgb(120, Color.Black));
    Stroke.Width = 1;
    this.Stroke.LineJoin = LineJoin.Round;
    this.Stroke.StartCap = LineCap.RoundAnchor;
    Fill = Brushes.Azure;
    Foreground = Brushes.Black;
 }

 /// <summary>
 /// 更新数据库
 /// </summary>
 /// <param name="marker"></param>
 public void Update(GMapMarker marker) {
     if (iobusy) return;
     
     GMapMarkerPoint p = marker as GMapMarkerPoint;
     if (p != null && p.Polygon!=null && p.Polygon.Tag is TX_Polygon) {
         iobusy = true;
         try {
             (p.Polygon.Tag as TX_Polygon).Points = pointstostring();
             Client.ClientHelper.PlatformSqlMap.Update<TX_Polygon>(p.Polygon.Tag);
         } catch { }
         iobusy = false;
     }
     
 }

        protected override void DrawToolTip(Graphics g, GMapMarker m, int x, int y)
        {
            GraphicsState s = g.Save();
            g.SmoothingMode = SmoothingMode.AntiAlias;

            System.Drawing.Size st = g.MeasureString(m.ToolTipText, TooltipFont).ToSize();
            System.Drawing.Rectangle rect = new System.Drawing.Rectangle(x, y, st.Width + Control.TooltipTextPadding.Width, st.Height + Control.TooltipTextPadding.Height);
            rect.Offset(m.ToolTipOffset.X, m.ToolTipOffset.Y);

            g.DrawLine(TooltipPen, x, y, rect.X + rect.Width / 2, rect.Y + rect.Height / 2);
            g.FillRectangle(TooltipBackground, rect);
            g.DrawRectangle(TooltipPen, rect);
            g.DrawString(m.ToolTipText, TooltipFont, Brushes.Navy, rect, TooltipFormat);

            g.Restore(s);
        }

      /// <summary>
      /// show info form about exchanger
      /// </summary>
      /// <param name="item"></param>
      /// <param name="mouseEventArgs"></param>
      private void GMapControl1OnOnMarkerClick(GMapMarker item, MouseEventArgs mouseEventArgs) {
         try {
            if(item.Tag == null) {
               throw new ArgumentNullException("CurrencyExchanger.Id is null");
            }
            //костыль, когда я подсвечиваю маркер синим в findNearestToolStripMenuItem_Click, 
            //я по сути не меняю цвет маркера(ненашел как, маразм честно говоря иметь возможность поставить маркер но неиметь возхможности изменить цвет)
            //а доабвляю новый слой с маркером поверх старого,
            //потому при нажатии на него выскакивло две формочки INFO, и был поставлен костыль, который проверяет не входит ли синий маркер в 
            //первый массив маркеров, а он не входит.
            if(!objMarkersOverlay.Markers.Contains(item)) return;


            var objInfoForm = new InfoForm((int)item.Tag);
            objInfoForm.ShowDialog();

            UpdateMarkers();
         }
         catch(Exception ex) {
            MessageBox.Show(ex.Message);
         }
      }

 void MainMap_OnMarkerEnter(GMapMarker item) {
     curOperation.OnMarkerEnter(item);
 }

 private void myGMAP1_OnMarkerLeave(GMapMarker item)
 {
     if (!mousedown)
         onmarker = false;
 }

 void MainMap_OnMarkerLeave(GMapMarker item) {
     curOperation.OnMarkerLeave(item);
 }

 void groupmarkeradd(GMapMarker marker)
 {
     groupmarkers.Add(int.Parse(marker.Tag.ToString()));
     if (marker is GMapMarkerWP)
     {
         ((GMapMarkerWP)marker).selected = true;
     }
     if (marker is GMapMarkerRect)
     {
         ((GMapMarkerWP)((GMapMarkerRect)marker).InnerMarker).selected = true;
     }
 }

 private void myGMAP1_OnMarkerEnter(GMapMarker item)
 {
     if (!mousedown)
         onmarker = true;
 }

 void gMapControl1_OnMarkerLeave(GMapMarker item)
 {
     CurrentGMapMarker = null;
 }

        private void gmap_OnMarkerClick(GMapMarker item, MouseEventArgs e)
        {
            Cursor.Current = Cursors.WaitCursor;
            this.pictureBox1.Image = null;
            this.groupBox1.Visible = true;

            PointD p = (PointD)item.Tag;
            this.pt = p;
            try
            {
                if (isInMeta(p.code))
                {
                    foreach (MetaD m in meta)
                    {
                        if (m.code.Equals(p.code))
                        {
                            this.tTime.Text = Global.GetTime(m.time);
                            this.tWho.Text = m.uin;

                           // Image newImage;
                           // byte[] imageData = this.getImage(m.id);
                           // using (MemoryStream ms = new MemoryStream(imageData, 0, imageData.Length))
                           // {
                           //     ms.Write(imageData, 0, imageData.Length);
                           //     newImage = Image.FromStream(ms, true);
                          //  }
                            //pictureBox1.Image = newImage;

                            var request = WebRequest.Create("http://imedia.tatar1n.org/img.php?id=" + m.id + "&base=" + Global.baseSQL + "");

                            using (var response = request.GetResponse())
                            using (var stream = response.GetResponseStream())
                            {
                                pictureBox1.Image = Bitmap.FromStream(stream);
                            }

                        }
                    }
                }
                else if (isInPass(p.code))
                {
                    foreach (PassD m in pass)
                    {
                        if (m.code.Equals(p.code))
                        {
                            this.tTime.Text = Global.GetTime(m.time);
                            this.tWho.Text = "";

                            Image newImage;
                            string pId  = this.getImagePass(m.code, m.banner);

                            var request = WebRequest.Create("http://imedia.tatar1n.org/img.php?id=" + pId + "&base=" + Global.baseSQL + "");

                            using (var response = request.GetResponse())
                            using (var stream = response.GetResponseStream())
                            {
                                pictureBox1.Image = Bitmap.FromStream(stream);
                            }

                        }
                    }
                }
                else
                {
                    this.tTime.Text = "";
                    this.tWho.Text = "";
                }

            }
            catch (Exception) { }

            this.tCode.Text = p.code;
            this.tAdress.Text = "ул. " + p.street + " д. " + p.house + " п. " + p.porch;

            int s = getStatus(p.code);

            if (s == 0)
            {
                this.tStatus.Text = "Установка";
                this.tMessage.Text = "Баннер установлен!";
            }
            else if (s == 1)
            {
                foreach (SmsD m in sms)
                    if (m.code.Equals(p.code))
                    {
                        this.tStatus.Text = "Поломка";
                        this.tMessage.Text = Global.getSms(m.msg);
                        this.tTime.Text = Global.GetTime(m.time);
                    }
            }
            else if (s == 2)
            {
                foreach (PassD ms in pass)
                    if (ms.code.Equals(p.code))
                    {
                        this.tStatus.Text = "Пропуск";
                        this.tMessage.Text = Global.getPass(ms.banner);
                        this.tTime.Text = Global.GetTime(ms.time);
                    }
//.........这里部分代码省略.........

 void map_OnMarkerLeave(GMapMarker item) {
     if (item.Overlay == this)
         selectedMarker = null;
 }

 void map_OnMarkerEnter(GMapMarker item) {
     if (item.Overlay == this)
         selectedMarker = item;
 }

 public void AddUserMarker(GMapMarker marker)
 {
     userMarkerOverlay.Markers.Add(marker);
 }

      /// <summary>
      /// Populates a <see cref="T:System.Runtime.Serialization.SerializationInfo"/> with the data needed to serialize the target object.
      /// </summary>
      /// <param name="info">The <see cref="T:System.Runtime.Serialization.SerializationInfo"/> to populate with data.</param>
      /// <param name="context">The destination (see <see cref="T:System.Runtime.Serialization.StreamingContext"/>) for this serialization.</param>
      /// <exception cref="T:System.Security.SecurityException">
      /// The caller does not have the required permission.
      /// </exception>
      public void GetObjectData(SerializationInfo info, StreamingContext context)
      {
         info.AddValue("Id", this.Id);
         info.AddValue("IsVisible", this.IsVisibile);

         GMapMarker[] markerArray = new GMapMarker[this.Markers.Count];
         this.Markers.CopyTo(markerArray, 0);
         info.AddValue("Markers", markerArray);

         GMapRoute[] routeArray = new GMapRoute[this.Routes.Count];
         this.Routes.CopyTo(routeArray, 0);
         info.AddValue("Routes", routeArray);

         GMapPolygon[] polygonArray = new GMapPolygon[this.Polygons.Count];
         this.Polygons.CopyTo(polygonArray, 0);
         info.AddValue("Polygons", polygonArray);
      }

 public void RemoveUserMarker(GMapMarker marker)
 {
     userMarkerOverlay.Markers.Remove(marker);
 }

        private void NavigationView_Load(object sender, EventArgs e)
        {
            MainMap.Manager.Mode = AccessMode.CacheOnly;
            PointLatLng p = new PointLatLng(0.0, 0.0);

            // map center
            center = new GMapMarkerCross(MainMap.Position);
            objects.Markers.Add(center);
            MainMap.Position = p;
            NodeMarker = new UserMarker(p);
            NodeMarker.IsHitTestVisible = true;
            objects.Markers.Add(NodeMarker);
            NodeMarker.ToolTip = new MapToolTip(NodeMarker);
            NodeMarker.ToolTipMode = MarkerTooltipMode.Always;
            PointLatLng gpspos = NodeMarker.Position;
            string lngstr, latstr;
            if (gpspos.Lng > 0)
                lngstr = gpspos.Lng.ToString("F06") + " E";
            else
                lngstr = (-gpspos.Lng).ToString("F06") + " W";
            if (gpspos.Lat > 0)
                latstr = gpspos.Lat.ToString("F06") + " N";
            else
                latstr = (-gpspos.Lat).ToString("F06") + " S";
            NodeMarker.ToolTipText = "GPS\r\n经度=" + lngstr + "\r\n纬度=" + latstr;
            MainMap.MapType = MapType.None;
            MainMap.MinZoom = 1;
            MainMap.MaxZoom = 18;
            MainMap.Zoom = 15;
            MainMap.MapName = MapTitle;
            ShowTrack.PerformClick();
            AutoTrack.PerformClick();
            
        }

        private void gmap_OnMarkerClick(GMapMarker item, MouseEventArgs e)
        {
            Process.Start(item.ToolTipText); // Open up the article

            // Search the list of FeedMarkers for this article
        }