Vorbis dev - Aug 2007 - play ogg in a package file by ov_oepn(), return OV_EBADLINK

hi all:
  i have a package file "sound.dll",consist many ogg files;
  my code:
---------------------------------------------------------------------------------------

  	//----- open OGG file
	HANDLE	handle_dll;
	handle_dll=LoadLibrary("RESOURCE\\sound.dll");

	HRSRC	handle_resource;
	HGLOBAL    handle_memory;
	void	*pointer;
	DWORD	size;
	
	//Load custom resource in DLL
	
handle_resource=FindResource((HINSTANCE)handle_dll,GetFileName().c_str(),"oggvorbis");


	handle_memory=LoadResource((HINSTANCE)handle_dll,handle_resource);
	size=SizeofResource((HINSTANCE)handle_dll,handle_resource);
	//Get pointer of custom resource
	pointer=LockResource((HINSTANCE)handle_memory);

	//get a handle to the file
	
	FILE *fileHandle = fopen("RESOURCE\\sound.dll", "rb");
	if(!fileHandle) 
		return false;

	//test to make sure that the file was opened succesfully
	
	int a=ov_open( fileHandle, &m_vorbisFile, (char*)pointer,size);
 --------------------------------------------------------------------------
i can open and play the first ogg file in the sound.dll file,when open the 
2nd,3rd...alaways retrun OV_EBADLINK  -137.

i run the code with vc2005 and winxp.

any idea,
Thank You.

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