Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!att!pacbell.com!ames!uhccux!munnari.oz.au!caw
From: caw@munnari.oz.au (Chris Wright)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Casting in Think C
Summary: casting and think c
Keywords: Casts ThinkC
Message-ID: <6194@munnari.oz.au>
Date: 6 Dec 90 11:01:21 GMT
References: <6167@munnari.oz.au> <3028@skye.cs.ed.ac.uk>
Sender: news@cs.mu.oz.au
Lines: 18

In article <3028@skye.cs.ed.ac.uk>, nick@cs.edinburgh.ac.uk (Nick Rothwell) writes:
> In article <6167@munnari.oz.au>, caw@munnari.oz.au (Chris Wright) writes:
> > Why do you have to cast gApplication in ThinkC e.g.:
> > extern	CApplication	*gApplication;
 

> gApplication is still a CApplication, and hence doesn't have an IEditApp()
> method unless you cast it.

	If my memory serves me correctly, gApplication is now a 
 	CEditApp. This can be checked with the member function.
	So it SHOULD have an IEditApp(). And the compiler 
	shouldn't complain.
	
	Though see the kind reply from Symantec earlier in this 
	thread (which I'm not sure if I understand!)

	chris.