问题描述：

　　在一个GIS系统中，用SuperMap IS .Net控件中的MapControl开发．要实现路径量测功能．需要使用该控件的DistanceMeasuring,DistanceMeased两个事件，然后编写这两个事件处理函数，MapControl1_DistanceMeasuring,MapControl1_DistanceMeased,函数写好后，运行测试，怎么也不出来效果．
想看一下事件处理函数的绑定代码，即看InitializeComponent()函数．由于.net 2.0中使用部分类，所以怎么也找不到这个函数．

问题的解决：

       查了半天资料，才找出来原因．原来vs2005中，事件处理函数，不在放入InitializeComponent()中，而是直接写在控件标记中.如<SMIS:MapControl ID="MapControl1" runat="server" BorderColor="Gray" BorderStyle="None"
                        BorderWidth="5px" Height="531px" MapUrl="" Width="651px" OnAreaMeasured="MapControl1_AreaMeasured" OnAreaMeasuring="MapControl1_AreaMeasuring" OnDistanceMeasured="MapControl1_DistanceMeasured" OnDistanceMeasuring="MapControl1_DistanceMeasuring" OnQueryCompleted="MapControl1_QueryCompleted" OnQuerying="MapControl1_Querying" OnClosestFacilityFinding="MapControl1_ClosestFacilityFinding" OnClosestFacilityFound="MapControl1_ClosestFacilityFound" OnPathFinding="MapControl1_PathFinding" OnPathFound="MapControl1_PathFound" />