c# how to add byte to byte array

Question

How to add a byte to the beginning of an existing byte array? My goal is to make array what\'s 3 bytes long to 4 bytes. So that\'s why I need to add 00 padding in the beginn

Answer 1

To prevent recopy the array every time which isn't efficient

What about using Stack

csharp> var i = new Stack();
csharp> i.Push(1);
csharp> i.Push(2); 
csharp> i.Push(3); 
csharp> i; { 3, 2, 1 }

csharp> foreach(var x in i) {
  >       Console.WriteLine(x);
  >     }

3 2 1