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.
It would be beneficial if nodes had the ability to retain data from their previous execution. Along with "Use Default If Unwired" it would save memory allocation and coding time if there was a "Use Current Value If Unwired" selection which would retain the node's value and pass the last executed value.
This figure illustrates one application where "Use Current Value If Unwired" would save memory and increase performance instead of using multiple property nodes or local variables for retaining the output data. It would also eliminate extra wiring in every case this node is not used.