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      Spark Energy

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      What is the difference in passing a structure by val and byref?

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      Sigiloso

      8 de out. de 2010

      nothing. both are passing the structure by a pointer so both methods can modify the elements. doesn't matter that by ref is a pointer to a pointer

      Sigiloso

      30 de out. de 2020

      Passing by value - called function gets a copy of the parameters. Passing by reference - means called function gets the address location of the parameters. Any changes on the parameter values will be permanent after the function exits.

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