Most efficient way to append arrays in C#?

Question

I am pulling data out of an old-school ActiveX in the form of arrays of doubles. I don\'t initially know the final number of samples I will actually retrieve.

What i

Answer 1

I recommend the answer found here: How do I concatenate two arrays in C#?

e.g.

var z = new int[x.Length + y.Length];
x.CopyTo(z, 0);
y.CopyTo(z, x.Length);