摘要
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。运用安全数组传递VARIANT数据类型的技巧。
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.The skills which use SafeArray to transfer VARIANT data are also included in.
出处
《工业控制计算机》
2003年第10期39-40,共2页
Industrial Control Computer
