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From: info-mac@uw-beaver (info-mac)
Newsgroups: fa.info-mac
Subject: Activating Scoll Bars
Message-ID: <2356@uw-beaver>
Date: Wed, 28-Nov-84 21:35:38 EST
Article-I.D.: uw-beave.2356
Posted: Wed Nov 28 21:35:38 1984
Date-Received: Fri, 30-Nov-84 04:45:07 EST
Sender: root@uw-beave
Organization: U of Washington Computer Science
Lines: 16

From: olson@harvard.ARPA (Eric Olson)
I'm writing an application that needs scroll bars but doesn't use TextEdit.
All the examples I can find with scroll bars also use TE, which apparently
activates the scroll bars when needed.  Inside Mac is vague about how to
activate/deactivate a control: this seems to be done with the HiliteControl
call.  But HiliteControl works with a piece of the scroll bar (i.e., Thumb,
PageUp, PageDown, UpButton, and DownButton) at a time.  I tried highlighting
nothing and highlighting the thumb, neither of these had any effect.

As it stands, I get my scrollbar from a resource file, and it displays just
fine but the grey region remains white (i.e., deactivated) and FindControl
ignores all mousing in the scrollbar.

How do I activate a scroll bar without TextEdit?

-Eric.