Benchtop Measurement and Test
Distributed Measurement and Control
High-Performance Test
Systems Engineering Software
Perspectives showcases how NI sees what’s next in the world of test and technology.
You can request repair, RMA, schedule calibration, or get technical support. A valid service agreement may be required.
Provides support for NI data acquisition and signal conditioning devices.
Provides support for Ethernet, GPIB, serial, USB, and other types of instruments.
Provides support for NI GPIB controllers and NI embedded controllers with GPIB ports.
From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
修改时间 10-23-2014 05:24 AM
在一个多列列表框里按照需要增减变量,以便观察变量数据变化。
几十个到100个数据刷新时没有什么延时,但是2 3 百个变量数据在列表框中更新就需要半分钟才更新一次。
我每次更新列表框里的数据都要一个一个重新读取变量数据,这样累积下来花太多时间了。
哪位大侠帮我看看截图,能不能改其他方法更新数据?
修改时间 10-26-2014 10:20 PM
请考虑将for循环合并
What do you need our team of experts to assist you with?
Thanks!
We'll be in touch soon!