Re: Mouse movement within CStatic/Picture box

From:
 MD <madhu.datla@gmail.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Tue, 12 Jun 2007 23:34:45 -0700
Message-ID:
<1181716485.988182.166000@g37g2000prf.googlegroups.com>
Thanks Scott, Tom , Alir, Arman:

Like I told I am just a beginner in MFC programming. I started on a
wrong foot with handling ON_STN_CLICKED. Thats the event for clicking
on Static controls within a dialog.

But I was able to work this out using Alir's method.Now I am able to
draw a rectangle on picture box using the following code, now the
problem is as I move the mouse there will be a track of rectangles
over the picture box, I was wondering if you guys can suggest a method
where I can refresh the picture box or reset the previous rectangle,
so that as I drag only one final rectangle remains .

void CPictureBox::OnPaint()
{
    CPaintDC pDC(this); // device context for painting

    RECT rect;
    GetClientRect(&rect);
    if(m_Tracking==TRUE)
    {
        pDC.SelectStockObject(HOLLOW_BRUSH);
        pDC.Rectangle(m_Rect); //rectangle
coordinates captured in mousedown/up and move events

    }
    else
        if(m_sBitmap!="")
            ShowBitmap(&pDC);
}

Thanks for the help,

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