Always add REF before actual parameters passed to a called method by reference.
In fact, this short keyword is playing the role of a comment:
- Code: Select all
dw_main.GetChild("status", ref ldwc_status)
It really helps to understand scripts, especially when calling functions have multiple arguments in both the logical directions - "in" and "out". It was a bad solution of PB creators to make ref an optional keyword - let's make it required of our own free will!
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