[fxruby-users] Problems with FXIconList and Icons

[Jeroen van der Zijp]

On Thursday 22 June 2006 06:03, Alexander Jede wrote:
> Hi list,
> I am writing a small program where I want to display some objects in an
> IconList. For a better looking a choose an an .png and created a
> FXPNGIcon instance of it.
> When the program starts it creates an empty FXIconList and the Icons
> will initialized too.
> While using the program it should be possible to add some objects to the
> list.
> But if I run the program is crashes with this message:
> 
> "FXDCWindow::drawIcon: illegal icon specified."
> 
> I do not now what I had made wrong.
> Because if I insert some objects to the iconlist during the
> initialization (in de initialize method) it works great!
> 
> 
> The code looks like:
> def initialize()
> ....
> @iconNonterm = loadIcon("tb_buttonbx01.png")
> ...
> @nonterminallist =
> FXIconList.new(nonterminalgroupbox,nil,0,LAYOUT_FILL_X|LAYOUT_FILL_Y|ICONLIST_MINI_ICONS|ICONLIST_EXTENDEDSELECT|ICONLIST_SINGLESELECT|ICONLIST_ROWS|ICONLIST_DETAILED)
> @nonterminallist.connect(SEL_RIGHTBUTTONPRESS,method(:onRightNonterm))
> ...
> end
> def onRightNonterm(sender,sel,ptr)
>     if !ptr.moved
>     menu = FXMenuPane.new(sender)
>     FXMenuCommand.new(menu,"Neu",nil,sender).connect(SEL_COMMAND,
> method(:onAddNonterm))
>     newI = FXIconItem.new("Bla", at iconNonterm, at iconNonterm)
>     @nonterminallist.appendItem(newI)
> ...
> end
> 
> Thanks a lot
> Alexander Jede

Its in the FAQ: http://www.fox-toolkit.org/faq.html#ILLEGALICON.


		- Jeroen


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