Beefy Boxes and Bandwidth Generously Provided by pair Networks
XP is just a number
 
PerlMonks  

Comment on

( #3333=superdoc: print w/ replies, xml ) Need Help??
I have a listbox setup like so...
#Create the tape removal dialog box my $remove_dialog = $win->DialogBox(-title=>'Choose a tape', -buttons=>["Remove", "Cancel"] +); #Create the listbox to hold the tape numbers my $remove_list = $remove_dialog->Listbox(-width=>'25', -height=>'5', -font=>$font)->pack; #Get the tapes that are stored my @stored_tapes = getTapes(); #Put each tape in the listbox foreach my $tape (@stored_tapes) {$remove_list->insert('end',$tape);} #Show the $remove_dialog box to the user my $remove_result = $remove_dialog->Show; if($remove_result eq "Remove") { my $test = $remove_list->get('active'); print $test; }
This works fine. The problem is ... when I click Remove with nothing selected in the box
$remove_list->get('active')
defaults to the first value in the list. I would like to be able to check for the case of the user not selecting an option.

Does anyone know how this is possible?

Thanks for any help, Gry

In reply to Tk Listbox problem by Grygonos

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post; it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • Outside of code tags, you may need to use entities for some characters:
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.
  • Log In?
    Username:
    Password:

    What's my password?
    Create A New User
    Chatterbox?
    and the web crawler heard nothing...

    How do I use this? | Other CB clients
    Other Users?
    Others examining the Monastery: (9)
    As of 2014-07-28 22:00 GMT
    Sections?
    Information?
    Find Nodes?
    Leftovers?
      Voting Booth?

      My favorite superfluous repetitious redundant duplicative phrase is:









      Results (210 votes), past polls