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PB NonVisual object vs Interface

2 posts in DataWindow .NET Last posting was on 2004-09-15 19:35:18.0Z
Jack Addington Posted on 2004-09-15 16:23:20.0Z
From: "Jack Addington" <jaddington@shaw.ca>
Newsgroups: sybase.public.datawindow.net
Subject: PB NonVisual object vs Interface
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Is it safe to say that an auto-instatiated non-visual object in PB is much
like an interface in C#? Just trying to get my head wrapped around things..


Jim O'Neil [Sybase] Posted on 2004-09-15 19:35:18.0Z
From: "Jim O'Neil [Sybase]" <joneil_at_sybase_dot_com>
Newsgroups: sybase.public.datawindow.net
Subject: Re: PB NonVisual object vs Interface
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No, not really. There isn't anything much different from an
autoinstantiated object versus one that is not other than the
lifecycle of the object is managed by the VM versus the programmer.

PowerBuilder really doesn't the concept of an interface - that's
coming in PB11.

An interface is a contract without an implementation. A PB NVO is an
implementation without a contract.

On 15 Sep 2004 09:23:20 -0700, "Jack Addington" <jaddington@shaw.ca>

wrote:

>Is it safe to say that an auto-instatiated non-visual object in PB is much
>like an interface in C#? Just trying to get my head wrapped around things..
>