PB>
  > Does anyone know of a way for a program to capture the fact
  > that a SHUTDOWN has been initiated?
PB>

  To determine the specific cause of a shutdown, inspect the parameters of
  the WM_QUIT message that terminates your message loop.

    WM_QUIT resulting from WinShutdownSystem : hwnd = 0
    WM_QUIT resulting from Window List close : hwnd != 0, mp1 = hwnd
    WM_QUIT resulting from WM_CLOSE message  : hwnd != 0, mp1 = 0

  In other words, WinShutdownSystem sends a WM_QUIT to the message queue,
  whereas the default processing of WM_CLOSE in WinDefWindowProc and the
  close option on the Window List both send a WM_QUIT to a specific
  window.

  If you want to save state before a shutdown, then do that in response to
  the WM_SAVEAPPLICATION message, which is sent before the WM_QUIT
  message.

  > JdeBP <
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