VB Code:
  1. x = 0 'initial value
  2.  
  3. Do
  4.     x = x + 1
  5.     Select Case x
  6.       Case 2
  7.           'what to do when x is 2
  8.        Case 10
  9.           'what to do when x is 10
  10.        Case 500
  11.           'what to do when x is 500
  12.      End Select
  13.      DoEvents
  14. Loop