DVD_RELATIVE_BUTTON 7484 3rdparty/include/dshow/strmif.h     virtual HRESULT WINAPI SelectRelativeButton(DVD_RELATIVE_BUTTON buttonDir) = 0;
DVD_RELATIVE_BUTTON 7531 3rdparty/include/dshow/strmif.h       HRESULT (WINAPI *SelectRelativeButton)(IDvdControl2 *This,DVD_RELATIVE_BUTTON buttonDir);
DVD_RELATIVE_BUTTON 7636 3rdparty/include/dshow/strmif.h   HRESULT WINAPI IDvdControl2_SelectRelativeButton_Proxy(IDvdControl2 *This,DVD_RELATIVE_BUTTON buttonDir);