Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" _    (ByVal hWnd As Long, ByVal nIndex As Long) As LongConst GWL_STYLE = (-16)Const WS_DISABLED = &H8000000' Return True if the form is modal'' Note: if an application has only one visible'       form, this function considers it as modalFunction IsFormModal(frm As Form) As Boolean    Dim f As Form        For Each f In Forms        If Not (f Is frm) Then            If (GetWindowLong(f.hWnd, GWL_STYLE) And WS_DISABLED) = 0 Then                ' there is another enabled form, so this form                ' can't be modal                Exit Function            End If        End If    Next    ' all other forms are disabled, therefore this form is modal    IsFormModal = True    End Function