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Article View: borland.public.jbuilder.java.api
Article #3558

Drag and drop

#3558
From: Clayton Peirens
Date: Thu, 04 Dec 1997 00:00
24 lines
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With regards to the following:  Do you have a small example you could either send me
or direct me to?

Thanks in advance,
Clayton

In article <34830B74.B622621E@borland.com>
Andrew Bennett <abennett@borland.com> wrote:

>> 4. Will drag & drop support be available to add to an interface to allow
>> users to drop files into a Container?
> 
> Drag and drop has it's problems, especially with platforms that don't
> support it, or do different things than what is done under what we
> think of as typical, aka, win32.
> 
> It is possible to do drag and drop inside a Java application using
> a technique called triple buffering.  Basically, as the mouse events
> move the image, it's moved on offscreenImage1.  offscreenImage1
> is copied to offscreenImage2, which has the background.
> offscreenImage2 is copied to the current context .  This is a lot
> quicker than repainting the backround after each mouse event.
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From: peirensc@kochind.com (Clayton Peirens)
Subject: Drag and drop
Date: 1997/12/04
Message-ID: <666lvr$v31@forums>
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Newsgroups: borland.public.jbuilder.java.api