This paper introduces the difference of singlethreading and multithreading in virtual instrumentation software development,and proposes how to build multithreading applications with asynchronous timer in LabWindows/CVI.

• 本文介绍了虚拟仪器软件开发中单线程与多线程的软件结构和效能差异 ,并提出在LabWin dows/CVI环境下利用异步时钟进行多线程开发的过程