I don't understand why this is needed but it fixes the problem.

VB Code:
  1. Select Case KeyCode
  2.         Case vbKeyF9
  3.             tabTest.Tab = 0
  4.             DoEvents
  5.         Case vbKeyF10
  6.             tabTest.Tab = 1
  7.             DoEvents
  8.         Case vbKeyF11
  9.             tabTest.Tab = 2
  10.             DoEvents
  11.     End Select
  12.     [b]KeyCode = 0[/b]