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From: chao@polya.Stanford.EDU (Chih-Chao Lam)
Newsgroups: comp.sys.mac.programmer
Subject: SFPGetFile Question
Keywords: accessing vRefNum in dlgHook
Message-ID: <5959@polya.Stanford.EDU>
Date: 8 Jan 89 07:18:06 GMT
Organization: Stanford University
Lines: 10

I am using my own dlgHook in a SFPGetFile call.  I need to access the
vRefNum of the current file being selected in the Standard Open File
Dialog box.  I know it's file name from sfReply.fname but 
sfReply.vRefNum doesn't seem to be giving me the right information.

How can I get the vRefNum of the current file before the user chooses 
"open" or "cancel"?

Thanks in advance,
Chih Chao