Re: proper way to detect if mouse button is depressed?

From:
"Nick Schultz" <nick.schultz@flir.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Tue, 19 Aug 2008 14:38:39 -0700
Message-ID:
<#i$tyPkAJHA.3284@TK2MSFTNGP03.phx.gbl>
works great, I now get the behavior intended :-)

Nick

"AliR (VC++ MVP)" <AliR@online.nospam> wrote in message
news:uvGqk.8178$cn7.2473@flpi145.ffdc.sbc.com...

You have to capture the mouse:

void MyWnd::OnRButtonDown(....)
{
   SetCapture();
   m_rightbtndown = TRUE;
}

void MyWnd::OnRButtonUp(...)
{
   ReleaseCapture();
   m_rightbtndown = FALSE;
}

AliR.

"Nick Schultz" <nick.schultz@flir.com> wrote in message
news:ukvpZ2jAJHA.3648@TK2MSFTNGP02.phx.gbl...

What is the proper way of decting whether a certain mouse button is
depressed or not? If I create a class member bool m_rightbtndown and
set it true on the message "OnRButtonDown" and set it false on
"OnRButtonUp", that does not work if I right click in the window, and
then drag the mouse outside the window, lift my finger, and then bring
the mouse back to my window. my window still thinks the button is
depressed because it never received "OnRButtonUp"

How should I do this?

nick

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