and also

EM_GETSEL 
http://msdn.microsoft.com/en-us/library/bb761598%28VS.85%29.aspx

which wants two points to DWORDs, both of which can however be null.

--- In [email protected], "entropyreduction" 
<alancampbelllists+ya...@...> wrote:
>
> To answer my own question:
> 
> EM_SETTEXTEX 
> http://msdn.microsoft.com/en-us/library/bb774284%28VS.85%29.aspx
> 
> wParam is a pointer to a SETTEXTEX structure, lParam to a buffer to receive 
> data.
> 
> Bet there are other two-pointer messages with similar form: a struct to say 
> what to do, a buffer to send or receive data.
> 
> 
> --- In [email protected], "entropyreduction" 
> <alancampbelllists+yahoo@> wrote:
> >
> > Im looking at code that dialog plugin uses to do a sendmessage.
> > 
> > I need to do some fancy footwork (somewhat more complicated than what 
> > Sheri's been doing if I still want to maintain compatibility with W9x).
> > I nicked appropriate code from autohotkey ages ago.
> > 
> > But, I need to know:
> > 
> > are there messages that require 
> > 
> >    lParam to be a pointer to data (yes) 
> >    lParam to be a pointer to buffer to receive data (yes) 
> >    wParam to be a pointer to data (???) 
> >    wParam to be a pointer to buffer to receive data (???) 
> >    both wParam _and_ lParam to be a pointer to buffer?
> > 
> > Can't figure how to frame that question to google.  I might have to find an 
> > api expert to ask. 
> > 
> > Worst case is obviously the last.  And I'll need to add some kind of
> > spec that tells plugin whether pointers are do data structures, or to 
> > buffers for receiving data back.
> >
>


Reply via email to