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C-/C++-Quelltext

        HDC hdcBackground, hdcTemp, hdcWindow;
        HBITMAP hBackbuffer, hBitmapEmpty;

        hdcWindow = GetDC(Application::m_pTheApplication->GetWindowReference());
        hdcBackground = CreateCompatibleDC(0);
        m_pBackbuffer->GetHBITMAP(RGB(255, 255, 255), &hBackbuffer);
        SelectObject(hdcBackground, hBackbuffer);

        hdcTemp = CreateCompatibleDC(hdcWindow);
        hBitmapEmpty = CreateCompatibleBitmap(hdcWindow, 1024, 768);
        SelectObject(hdcTemp, hBitmapEmpty);

        BitBlt(hdcTemp, 0, 0, 1024, 768, hdcBackground, 0, 0, SRCCOPY);


        GetWindowRect(Application::m_pTheApplication->GetWindowReference(), &m_rectWindow);

        POINT positionWindow = {m_rectWindow.left, m_rectWindow.top};
        POINT SourcePoint = {0, 0};

        UpdateLayeredWindow(Application::m_pTheApplication->GetWindowReference(),
            hdcWindow, 
            &positionWindow,
            &m_BackbufferSize,
            hdcTemp,
            &SourcePoint,
            0,
            &m_blendPixelFunction,
            ULW_ALPHA); 


        DeleteObject(hBitmapEmpty);
        DeleteDC(hdcTemp);
        DeleteObject(hBackbuffer);
        DeleteDC(hdcBackground);