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First Call? (G Dataflow)

Last Modified: January 9, 2017

Indicates whether the diagram or subdiagram containing this node is running for the first time.

You can place First Call? in multiple locations within a program, such as the diagram of a VI, a subdiagram of a Case Structure, inside a loop, or the diagram of a subVI.

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First Call?

A Boolean that returns whether the diagram or subdiagram containing this node is running for the first time since the program began execution.

True This is the first time the diagram or subdiagram is running since the program began execution.
False This is not the first time the diagram or subdiagram is running since the program began execution.

Where This Node Can Run:

Desktop OS: Windows

FPGA: All devices (only within an Optimized FPGA VI)


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