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From: swick@ATHENA.MIT.EDU (Ralph R. Swick)
Newsgroups: comp.windows.x
Subject: Re: Grabbing the AsciiWidget scrollbar. HELP.
Message-ID: <9007201553.AA04801@lyre.MIT.EDU>
Date: 20 Jul 90 15:53:05 GMT
References: <roy.648410020@neptune>
Sender: daemon@athena.mit.edu (Mr Background)
Organization: DEC/MIT Project Athena
Lines: 17


	v_bar = XtNameToWidget(widget, "vScrollbar");

    This looks good on paper to me, but when I check 
    to see if v_bar has a value, it turns out to be
    NULL.

It does look good on paper, doesn't it. :-)  Unfortunately for you,
the Text widget does a very effective job of hiding its internals.
Since it's not a subclass of Composite, XtNameToWidget won't
return any of its component parts.  Your only present option is to
open the box using the big crowbar called TextP.h.

A sanctioned way to use this particular crowbar is to subclass
Text and either export the vbar widget field as a resource (less
preferred), or add a XtNthumbProc callback list resource which
is added to the scrollbar's list internally.