The article introduces the method that how to trigger the event of ActiveX Control used to acquire data, and how to transfer batch data in the event.
介绍数据采集控件的事件触发方法，以及在事件中如何传递批量数据。
Problems of design, usage, data transferring and network security of ActiveX control tool were discussed.
讨论了控件的设计使用、数据传输、网络安全的问题。
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