Declare Function SetWindowPos Lib "user32.dll" (ByVal hwnd As IntPtr, ByVal _
  hWndInsertAfter As Int32, _
    ByVal x As Int32, ByVal y As Int32, ByVal cx As Int32, ByVal cy As Int32, _
    ByVal wFlags As Int32) As Int32
    Private Const SWP_NOMOVE As Int32 = &H2
    Private Const SWP_NOSIZE As Int32 = &H1
    Private Const HWND_TOPMOST = -1

SetWindowPos(p.MainWindowHandle, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE Or _
  SWP_NOSIZE)