Returns whether the port is properly connected to another port or device. This property is valid only with serial drivers developed by National Instruments and documented to support this feature with the corresponding National Instruments hardware.

注释

下表列出了该属性的特性。

短名称 Is Connected
数据类型 cbool.png
权限 只读
可用于运行引擎 是
可用于实时操作系统 是