Hi,
No, in that case and as long as Buffer is a WORD (2bytes) or a LONG (4bytes) you can use:
MyVar VAR Buffer.Byte1

If Buffer is an array of BYTES ie.
Buffer VAR BYTE[128]
Then you need to index that array, like:
MyVar1 VAR Buffer[0]
MyVar2 VAR Buffer[1]
MyVar3 VAR Buffer[75]

And so on.

/Henrik.