SendCardMessage questions

[Jan Schenkel]

--- On Mon, 3/1/10, Paul D. DeRocco <pderocco at ix.netcom.com> wrote:
> 1) Does this require a freshly
> allocated string as its first parameter,
> which Revolution takes ownership of and eventually deletes?
> Or does it copy
> the data out of it, in which case the caller would have to
> delete it if it
> was dynamically allocated?
> 
> 2) What context can this be called from? I would assume you
> couldn't call it
> from inside a hardware interrupt handler, because it would
> probably do
> something (allocate memory perhaps?) that's not legal
> inside a hardware
> interrupt handler. But how about in the context of some
> device driver
> thread? In particular, on Windows I'd like to call it from
> inside a MIDI
> input callback function, which isn't called by the main
> application thread,
> but isn't called in an interrupt handler either, so I
> assume it's a called
> by some thread associated with the device, or some
> multimedia thread in
> Windows.
> 
> 2) What card does the message get sent to? The main stack's
> first card? Or
> does it depend upon what card is visible? What about if a
> dialog box is
> open?
> 
> Thanks in advance.
> 
> --
> 
> Ciao,           
>    Paul D. DeRocco
> 

I've replied on the forum:
<http://forums.runrev.com/phpBB2/viewtopic.php?f=17&t=4969>

HTH,

Jan Schenkel.
=====
Quartam Reports & PDF Library for Revolution
<http://www.quartam.com>

=====
"As we grow older, we grow both wiser and more foolish at the same time."  (La Rochefoucauld)