Re: [StrongED] Conflict with ArtWorks

[Tony Moore <old_coaster@xxxxxxxxxxx>]

On 11 Nov 2010, Richard Ashbery <riscos@xxxxxxxxxxxxx> wrote:

[snip]

> #     ^PgUp        UserMessage1(&400D1,"<1><0><0><0>")
> #     ^PgDown      UserMessage1(&400D1,"<2><0><0><0>")
>
> in BaseMode file in !StrED_cfg.
>
> Can anyone tell me what the script following UserMessage does?

From the RISC OS Select PRM:

   Messages

   Message_ToggleBackdrop &400D1:

      +0         24 (Message size)
      +4         Backdrop controlling application
      +8,+12     reference numbers
      +16        &400D1 (Message_ToggleBackdrop)
      +20        Flags (if not present, assumed 0)
                     bit 0-1 = type of toggle
                                0 = toggle
                                1 = front
                                2 = back
                                3 = notify of status
                                other = reserved

   This message is broadcast by applications to request that the
   backdrop application move the backdrop to the front, back, toggles,
   or notify the application of the backdrop window's position. This
   message is then sent back to the application to indicate the new
   position.

Tony




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