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 believe if you have 2 arrays of the same type that you want to combine into a third array, there's a very simple way to do that.

here's the code:

String[] theHTMLFiles = Directory.GetFiles(basePath, "*.html");
String[] thexmlFiles = Directory.GetFiles(basePath, "*.xml");
List finalList = new List(theHTMLFiles.Concat(thexmlFiles));
String[] finalArray = finalList.ToArray();