nanogui@linuxhacker.org

>In the Win32 world, SendMessage to an hwnd not in
>the current process space causes a task switch, with
>the arguments copied to a local stack before switching.
>The sending task then waits in an internal loop waiting
>for the receiving task to return from the sendmessage
>call.

I think thats what happens for interprocess emssages, but between threads in
the same process I believe that the WindowProc is called in the context of
the SendMessage thread.


--
Lindsay Mathieson
Black Paw Communications
	Using MailCat for Win32 Beta Vs 2.8 Preview 4, on September 7, 2000, in
Win95 4.10
	http://www.blackpaw.com/