Not A Refnum Constant下载PDF选定部分选定部分和子部分整个手册更新时间2023-02-17阅读时长1分钟DAQExpressAPI参考 Not A Refnum Constant Returns a refnum whose value is Not A Refnum. You can use this refnum as an output from structures and sub documents when an error occurs. Parent topic: Constants
Not A Refnum Constant Returns a refnum whose value is Not A Refnum. You can use this refnum as an output from structures and sub documents when an error occurs. Parent topic: Constants
Not A Refnum Constant Returns a refnum whose value is Not A Refnum. You can use this refnum as an output from structures and sub documents when an error occurs. Parent topic: Constants
