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Variables of reference types store references to their data (objects), while variables of value types directly contain their data. With reference types, two variables can reference the same object; therefore, operations on one variable can affect the object referenced by the other variable. With value types, each variable has its own copy of the data, and it is not possible for operations on one variable to affect the other

That makes perfect sense. Thanks!

 

This must be related to why you can say ByRef or ByVal when declaring a function.