A piggy bank of commands, fixes, succinct reviews, some mini articles and technical opinions from a (mostly) Perl developer.

Outlook 2007 reminder windows always on top

Hit Alt-F11, navigate to Project1 | Microsoft Office Outlook Objects | ThisOutlookSession

Simple way 

Private Sub Application_Reminder(ByVal Item As Object)
    If TypeOf Item Is AppointmentItem Then
    MsgBox "Message text", vbSystemModal, "Message title"
    End If
End Sub


(source)

Sophisticated way

Private Declare PtrSafe Function FindWindowA Lib "user32" _
(ByVal lpClassName As String, ByVal lpWindowName As String) As Long

Private Declare PtrSafe Function SetWindowPos Lib "user32" ( _
ByVal hwnd As Long, ByVal hWndInsertAfter As Long, _
ByVal X As Long, ByVal Y As Long, ByVal cx As Long, _
ByVal cy As Long, ByVal wFlags As Long) As Long

Private Const SWP_NOSIZE = &H1
Private Const SWP_NOMOVE = &H2
Private Const FLAGS As Long = SWP_NOMOVE Or SWP_NOSIZE
Private Const HWND_TOPMOST = -1

Private Sub Application_Reminder(ByVal Item As Object)
Dim ReminderWindowHWnd As Variant
On Error Resume Next
ReminderWindowHWnd = FindWindowA(vbNullString, "1 Reminder")
SetWindowPos ReminderWindowHWnd, HWND_TOPMOST, 0, 0, 0, 0, FLAGS

End Sub

(source)