The paper introduces the process of creating the DLL driver of data acquisition based on VC++ 6.0, and shows the method of how to call DLL to accomplish multichannel data acquisition.

• 介绍了基于VC++6.；0环境编写数据采集卡动态链接库(DLL)驱动程序的步骤；并给出在Lab view环境下调用DLL实现多通道数据采集的方法。