说明：  ArcGIS Engine没有提供在MapControl中点击查询的命令，只是提供了ReaderControl中的使用的点击查询的命令，下面的代码就是实现点击查询并闪烁的代码。
(ArcGIS Engine does not provide in the query by clicking MapControl orders, only provides a ReaderControl use clicks query command, the following code is to achieve the query and click on the flashing code.)