Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder1.enfer-du-nord.net!feeder.erje.net!news-1.dfn.de!news.dfn.de!news.informatik.hu-berlin.de!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Nigel Wade Newsgroups: comp.lang.java.gui Subject: Re: JComboBox drop-down arrow disappears Date: Tue, 01 Nov 2011 17:31:41 +0000 Lines: 23 Message-ID: <9haonuFbrhU1@mid.individual.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net fCfAuc63Xz0DGYHEa0lHMwEJ6KOe38xdUhPQAXGQY5Xh+Z3goU Cancel-Lock: sha1:xhtDRMDRI8mIvHcB7pqMi4MwWyk= User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-GB; rv:1.9.2.18) Gecko/20110616 SUSE/3.1.11 Thunderbird/3.1.11 In-Reply-To: Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.gui:4729 On 01/11/11 15:40, Amandil wrote: > Does anyone else have this problem? Is it documented anywhere? Calling > removeAllItems() on a JComboBox caused the drop-down arrow to > disappear. It did not reappear even after the JComboBox was > repopulated. > (The code is rather long, though I can attach it if someone would need > it to help with this issue). > > I'd appreciate anyone's help with this issue. (That would help me > learn more about this group as well - useful after seeing people > getting burned elsewhere...) > I have never seen this problem, and I have applications which regularly populate/de-populate JComboBox items. Follow Daniel's advice. Ensure all your manipulation of the JComboBox is done on the EDT. Strip your code down to the smallest possible example which demonstrates the problem, if you intend to post. This action in itself very often identifies what's wrong. -- Nigel Wade