What's the best way to pass big data into C# functions? -

basically, have large byte[] , class of helper functions.

am right in thinking if call helpers.helperfunc(mybigbytearray), mybigbytearray duplicated in memory?

if so, what's best way give big variable function (pointers making helper functions unsafe wise? garbage collector still work?)

arrays, other objects in c#, passed reference, no data inside array duplicated; function pass array have reference original array.

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from arrays objects (c# programming guide)

in c#, arrays objects, , not addressable regions of contiguous memory in c , c++. system.array abstract base type of array types.

and passing arrays arguments (c# programming guide)

arrays can passed arguments method parameters. because arrays reference types, method can change value of elements.