Re: isIconic issue again...

From:
"Doug Harrison [MVP]" <dsh@mvps.org>
Newsgroups:
microsoft.public.vc.mfc
Date:
Thu, 03 Jan 2008 16:09:39 -0600
Message-ID:
<fgmqn3l09jrimn8j7ectgjrq04ohdcpuqp@4ax.com>
On Thu, 3 Jan 2008 13:26:33 -0800 (PST), camelot <scosmo@tiscalinet.it>
wrote:

Hello,
I'm trying to undestand every piece of code the vc wirard create. In
particular, I'm not able un understand when the function IsIconic()
became true in this piece of code:

void CGUI1Dlg::OnPaint()
{
    if (IsIconic())
    {

       CPaintDC dc(this);
       SendMessage(WM_ICONERASEBKGND,
reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

        // Centrare l'icona nel rettangolo client.
        int cxIcon = GetSystemMetrics(SM_CXICON);
        int cyIcon = GetSystemMetrics(SM_CYICON);
        CRect rect;
        GetClientRect(&rect);
        int x = (rect.Width() - cxIcon + 1) / 2;
        int y = (rect.Height() - cyIcon + 1) / 2;

        // Disegnare l'icona
        dc.DrawIcon(x, y, m_hIcon);
    }
    else
    {
        CDialog::OnPaint();
    }
}

I tried to search the old posts and seems that under XP this funtion
never became true, is it true?


AFAIK, it was only ever useful in 16-bit Windows, where you got to paint
your icon when minimized, making possible wonderful programs like "Tiny
Elvis". I always delete it, but as it doesn't hurt anything, you can leave
it.

--
Doug Harrison
Visual C++ MVP

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