Re: PostMessage in PostMessage handler

From:
"Alexander Grigoriev" <alegr@earthlink.net>
Newsgroups:
microsoft.public.vc.mfc
Date:
Sun, 22 Jul 2007 08:55:48 -0700
Message-ID:
<OzRLJjHzHHA.5376@TK2MSFTNGP03.phx.gbl>
Even SetFocus will send WM_KILLFOCUS, WM_SETFOCUS to the affected windows.

DestroyWindow can only be called by creator thread, by specification. An
open question is what happens if the children or owned windows are created
by different thread.

"Joseph M. Newcomer" <newcomer@flounder.com> wrote in message
news:2336a3hare1pr5l57i2dnge4sm5tmg0bir@4ax.com...

THis is a common misperception. SetWindowText is a message. Like most
methods, it really
does a SendMessage underneath, so in fact it is implemented by doing a
SendMessage(WM_SETTEXT, ...) call. There are very, very, very, very few
things you can do
to a window without sending a message to them. The exceptions are that
the API calls
SetFocus, DestroyWindow, and, uh, well, I'm drawing a blank here, don't do
SendMessage
calls, and everything else does.

SetWindowText even says, in its document, that it sends a WM_SETTEXT
message!
joe

On Tue, 17 Jul 2007 16:32:00 -0700, Mark Salsbery
<MarkSalsbery@discussions.microsoft.com>
wrote:

"daicamad" wrote:

Only when I called a SetWindowText (and that is a SendMessage)


What do you mean by that? SetWindowText is a function, not a message.

Mark

Joseph M. Newcomer [MVP]
email: newcomer@flounder.com
Web: http://www.flounder.com
MVP Tips: http://www.flounder.com/mvp_tips.htm

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