Dows anyone know how to make the tabstop work on this form with edit and a button control?

VB Code:
  1. 'Creates the visible window
  2. mlngSetup = CreateWindowEx( _
  3.     0, _
  4.     "Database", _
  5.     "Setup", _
  6.     WS_SYSMENU Or WS_CAPTION, _
  7.     lngLeft, _
  8.     lngTop, _
  9.     450, _
  10.     301, _
  11.     glngMain, _
  12.     0, _
  13.     glngApp, _
  14.     Null _
  15. )
  16.  
  17. 'Text Box
  18. mlngText(0) = CreateWindowEx( _
  19.     WS_EX_CLIENTEDGE, _
  20.     "Edit", _
  21.     "", _
  22.     WS_CHILD Or WS_VISIBLE Or ES_AUTOHSCROLL Or WS_TABSTOP, _
  23.     125, _
  24.     74, _
  25.     305, _
  26.     21, _
  27.     mlngSetup, _
  28.     0, _
  29.     glngApp, _
  30.     Null _
  31. )
  32.  
  33. 'Button
  34. mlngButton(0) = CreateWindowEx( _
  35.     0, _
  36.     "Button", _
  37.     "&Browse...", _
  38.     WS_CHILD Or WS_VISIBLE Or WS_TABSTOP, _
  39.     274, _
  40.     101, _
  41.     75, _
  42.     22, _
  43.     mlngSetup, _
  44.     0, _
  45.     glngApp, _
  46.     Null _
  47. )
  48.  
  49. ShowWindow mlngSetup, SW_SHOWDEFAULT
  50.  
  51. 'Message loop
  52. Do While GetMessage(typMessage, 0, 0, 0) <> 0
  53.     TranslateMessage typMessage
  54.     DispatchMessage typMessage
  55. Loop