ios - how to get path in sandbox by CFRef,not bundle resource -


to cfurlref in bundle resource ,as follow

cfurlref pdfurl = cfbundlecopyresourceurl(cfbundlegetmainbundle(), (__bridge cfstringref)self.filename, null, null); cgpdfdocumentref pdfdocument = cgpdfdocumentcreatewithurl((cfurlref)pdfurl); cfrelease(pdfurl);

i want how cfurlref in sandbox


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