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From: chapman@lll-crg.llnl.gov (Carol Chapman)
Newsgroups: comp.windows.x,comp.windows.x.motif,ba.windows.x,llnl.x
Subject: can't retrieve label strings
Summary: can set, but can't retrieve char strings from label widgets
Keywords: Motif 1.1, C, UIL, X11R4, XmString, label widgets
Message-ID: <95347@lll-winken.LLNL.GOV>
Date: 14 Apr 91 22:18:28 GMT
Sender: usenet@lll-winken.LLNL.GOV
Followup-To: comp.windows.x
Organization: Livermore National Laboratory
Lines: 28
Nntp-Posting-Host: lll-crg.llnl.gov

Last week I posted about a problem with XmString.  A couple people
sent me useful suggestions, which I tried, but the problem persists,
although I've now narrowed things down a bit more.  I'm programming in
C and UIL, using X11R4 and Motif 1.1.

What's happening is that I can use XmStringCreateLtoR to create an
XmString and set a label.  So far, so good.  However, when I try to
use XmStringGetLtoR to retrieve that label, I always get back a null
string!  

This is driving me crazy!  I did a small test case to make sure that
my routines for setting and retrieving labels work correctly.  The
test case worked fine.  In the test case I used XtCreateManagedWidget
to create a label widget, whereas in my real program, the label widget
was created using UIL.  Could this be the problem?  Has anyone
successfully retrieved label values using XmStringGetLtoR with
UIL-created labels? 

I'm about to make a test case now using a UIL-created label widget,
but thought I'd first whine to the net!  There!  Now I feel *a little*
better!

carol

Carol Chapman                                        Tel. (415) 423-7876
Livermore National Laboratory                NEW -->  chapman@.llnl.gov
P. O. Box 808, L-572            "Are you in charge here?"
Livermore, CA  94550            "No, but I'm full of ideas!"  -- Dr. Who