[Fxruby-users] Re: A couple of questions

[<kel...@so...>]

Lyle Johnson writes: 

> kel...@so... wrote: 
> 
>> 3)  I'm a using a "downArrow" and "upArrow" icon to show the header 
>> that's being sorted in my FXIconList.  I create the icons (hold a 
>> reference in an instance variable: ie, @upArrowIcon = 
>> FXICOIcon.new(myApp, File.open("uparrow.ico", "rb").read())) but I don't 
>> use them until a user clicks on the header.  But when I try to set the 
>> icon, I get
>> abnormal program termination
>> WT_App.rb:22: [BUG] Segmentation fault
>> ruby 1.8.0 (2003-08-04) [i386-mswin32]
>> However, if I create the icons and attach them to, say, a menu item, I 
>> can now use them when the user clicks on a header (without changing 
>> anything else).  Is this a GC issue?  Or is it that I'm doing something 
>> wrong?
> 
> You probably need to call create() on those icons first. Please see this 
> question from the FAQ: 
> 
>     http://fox-toolkit.org/faq.html#ILLEGALICON

Yup!  I've added the line "icon.create if !icon.created?" before I set the 
icon and it now works as expected.  Thanks Lyle! 

Karl.