C / C++ / MFC

bool ExtractResourceFile(const CString& resourceID, const CString& filename)
{
	// need to extract the resource out into the temporary filename supplied
	bool bOK = true;
	HANDLE hRes = ::LoadResource(AfxGetResourceHandle(), ::FindResource(AfxGetResourceHandle(), 
			resourceID, "YOUR_RESOURCE_TYPE"));
	if (hRes != INVALID_HANDLE_VALUE)
	{
		// we loaded it, now get the text from it
		DWORD sizeOfResource = ::SizeofResource(AfxGetResourceHandle(), 
			::FindResource(AfxGetResourceHandle(), resourceID, "YOUR_RESOURCE_TYPE"));
		char *lpRes = (char*)::LockResource(hRes);
		CFile file;

		if (file.Open(filename, CFile::modeCreate | CFile::modeWrite))
		{
			// write the resource out to the file
			file.WriteHuge(lpRes, sizeOfResource);
			file.Close();
		}
		else
		{
			bOK = false;
		}
		// release the resource
		::UnlockResource(hRes);
		::FreeResource(hRes);
	}
	return bOK;
}