When you use either the ref or out keywords with an array parameter, the receiving method not only has access to the array, but it also has access to the reference variable that was used to pass the array.

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Quizplus · Accepted Answer

This is true. When using the ref or out keywords with an array parameter, the receiving method can modify the array and also change the reference variable to point to a different array if needed.

When You Use Either the Ref or Out Keywords with an Array