客户端前台页面<asp:ScriptManager ID="ScriptManager1" runat="server" /><%--该js方法写在scriptmanager之后，防止出现Sys未定义错误--%><script type="text/javascript">//获取pagerequestmanager实例后添加事件//在因同步回发或因异步回发而刷新页面上所有内容后触发
        Sys.WebForms.PageRequestManager.getInstance().add_pageLoaded(TrackPlayBack);//轨迹回放函数
        function TrackPlayBack(){var myInput1 = document.getElementById("input1");//用来存放X坐标的控件var myInput2 = document.getElementById("input2");if(myInput1 != null && myInput2 != null){var pointX = myInput1.value.toString();//地图上X坐标点var pointY = myInput2.value.toString();//地图上Y坐标点if(pointX != "" && pointY != ""){var mapImage = document.getElementById("MapControl1_Image");//获取地图控件if(mapImage != null){//传递URL数据var url = "MapController.ashx?Command=TrackPlayBack&PointX=" + pointX +"&PointY=" + pointY+ "&MapAlias=" + mapImage.mapAlias + "&Width=" + mapImage.width +"&Height=" + mapImage.height + "&ExportFormat=" + mapImage.exportFormat + "&Ran=" + Math.random();//使用Ajax局部刷新更新地图          var xmlHttp = CreateXMLHttp();xmlHttp.open("GET",url,false);   xmlHttp.send();   mapImage.src = url; }}}}</script><cc1:MapControl ID="MapControl1" runat="server" Width="800" Height="600" ExportFormat="Jpeg" MapAlias="Map1"/><asp:UpdatePanel ID="UpdatePanel1" runat="server"><ContentTemplate><input id="input1" runat="server" type="text" style="width:200;" /><input id="input2" runat="server" type="text" style="width:200;" /><input id="input3" runat="server" type="text" style="width:200;" /></ContentTemplate><Triggers><asp:AsyncPostBackTrigger ControlID="Timer1" /></Triggers></asp:UpdatePanel><asp:Timer ID="Timer1" runat="server" Enabled="true" Interval="50" ontick="Timer1_Tick" />

客户端中调用的自定义服务器MapBaseCommand类
/// <summary>/// 轨迹回放/// </summary>
    [Serializable]public class TrackPlayBack : MapBaseCommand{private Catalog myCatalog = MapInfo.Engine.Session.Current.Catalog;/// <summary>/// 动画回放图层别名/// </summary>private string animationName = "动画回放";/// <summary>/// 动画回放图元Style/// </summary>private MapInfo.Styles.BitmapPointStyle trackBmpPointStyle = new MapInfo.Styles.BitmapPointStyle("TRUC1-32.BMP", MapInfo.Styles.BitmapStyles.NativeSize, System.Drawing.Color.Blue, 24);public TrackPlayBack(string _animationName, MapInfo.Styles.BitmapPointStyle  _trackBmpPointStyle){Name = "TrackPlayBack";animationName = _animationName;trackBmpPointStyle = _trackBmpPointStyle;}public override void Process(){//获取分站坐标double pointX, pointY;double.TryParse(HttpContext.Current.Request["PointX"].ToString(), out pointX);double.TryParse(HttpContext.Current.Request["PointY"].ToString(), out pointY);//获取实现与执行各种操作的MapContorlModel实例MapControlModel myCtrlModel = MapControlModel.GetModelFromSession();try{//获取地图实例Map myMap = myCtrlModel.GetMapObj(MapAlias);if(myMap != null){//清空地图轨迹回放图元MapInfo.Data.Table myTable = myCatalog.GetTable(animationName);if(myTable != null){#region 清空图元SearchInfo mySearchInfo = MapInfo.Data.SearchInfoFactory.SearchWhere("");IResultSetFeatureCollection myIRetFeaColl = myCatalog.Search(myTable, mySearchInfo);if(myIRetFeaColl != null){foreach(Feature myObj in myIRetFeaColl){myTable.DeleteFeature(myObj);}}#endregion#region 添加图元MapInfo.Geometry.Point myPoint = new MapInfo.Geometry.Point(myMap.GetDisplayCoordSys(), new MapInfo.Geometry.DPoint(pointX, pointY));Feature myFeature = new Feature(myTable.TableInfo.Columns);myFeature.Geometry = myPoint;myFeature.Style = trackBmpPointStyle;myTable.InsertFeature(myFeature);#endregion}}}finally{System.IO.MemoryStream ms = myCtrlModel.GetMap(MapAlias, MapWidth, MapHeight, ExportFormat);StreamImageToClient(ms);}}}

后台代码//此处使用Timer模拟生成的点作为动态轨迹的坐标点
protected void Timer1_Tick(object sender, EventArgs e){double pointX = 4999 + myRandom.NextDouble() * 2;double pointY = pointX;this.input1.Value = pointX.ToString();this.input2.Value = pointY.ToString();}