C#

namespace ConsoleApplication1
{
    class Father
    {
        public Father()
        {
            System.Console.WriteLine("Build Father");
        }
        public void Something()
        {
            System.Console.WriteLine("Father : Something");
            SomethingElse();

        }
        public void SomethingElse()
        {
            System.Console.WriteLine("Father : SomethingElse");
        }

    }

    class Son : Father
    {
        public Son()
        {
            System.Console.WriteLine("Build Son");
        }

        public new void SomethingElse()
        {
            System.Console.WriteLine("Son : SomethingElse");
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            Son s = new Son();
            s.Something();            
        }
    }
}

hr = dvdGraph.RenderDvdVideoVolume( "f:", AMDvdGraphFlags.None, out status );

WCHAR    achwFileName[MAX_PATH] ;
    LPCWSTR  lpszwFileName = NULL ;  // by default
    if (lstrlen(m_achFileName) > 0)  // if something was specified before
    {
#ifdef UNICODE
        lstrcpy(achwFileName, m_achFileName) ;
#else
        MultiByteToWideChar(CP_ACP, 0, m_achFileName, -1, achwFileName, MAX_PATH) ;
#endif // UNICODE

        lpszwFileName = achwFileName ;
    }

    // Build the graph
    AM_DVD_RENDERSTATUS   Status ;
    DbgLog((LOG_TRACE, 5, TEXT("Calling RenderDvdVideoVolume(<%s>, 0x%lx, 0x%lx)"), 
            m_achFileName, m_dwRenderFlag, &Status)) ;
    HRESULT hr = m_pDvdGB->RenderDvdVideoVolume(lpszwFileName,
                                    m_dwRenderFlag, &Status) ;