Re: TransparentBlt troubles...

From:
Mhram <ramharibhat@gmail.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Sat, 1 Dec 2007 00:41:44 -0800 (PST)
Message-ID:
<89b66481-d3c3-4096-9f5d-3914c03bf7fa@d27g2000prf.googlegroups.com>
On Nov 10, 12:03 am, hamishd <Hamish.D...@gmail.com> wrote:

I'm trying to create a transparent bitmap....

void TestView::OnDraw(CDC* dc)
{
        TestDoc* pDoc = GetDocument();
        ASSERT_VALID(pDoc);

        CDC dcMem;
        dcMem.CreateCompatibleDC(dc);

        dc->SetBkColor(RGB(120,120,120));
        CMemDC pDC(dc);

        CBitmap foo;
        foo.LoadBitmap(MAKEINTRESOURCE(IDB_EMPTY));
        int save = SaveDC (dcMem);
        SelectObject (dcMem, foo);
        TransparentBlt(dcMem.m_hDC, 100, 120, 48, 48, dcMem, 0, 0, 48, 48,
RGB (120, 120, 120));
        RestoreDC (dcMem, save);
                .....

}

However I get this linking error:
TestView.obj : error LNK2001: unresolved external symbol
__imp__TransparentBlt@44
Debug/Test.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.

What's going wrong?


It requires one Additional library in input linker dependencies
'Msimg32.lib'.
It will work out.

--Ram

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