From: Lyle Johnson <ljohnson@...>
Date: 2007-02-23T02:31:43+09:00
Subject: Re: FXTreeList-App crashes

On 2/22/07 7:25 AM, in article
3916481b8379225021f5ef5b336b98ef@ruby-forum.com, "J�rg Abelshauser"
<joerg.abelshauser@freenet.de> wrote:

> Further, here is the code-snippet, which is called when
> right-mouse-click at an tree-item:
> 
>     item = @tree.getFirstItem
> 
>     if @toggle != 8
>         @tree.setItemText(item, "Bla")
>         icon = makeIcon("testnode.ico")
>         @tree.setItemClosedIcon(item, icon)
>         @toggle = 8
>     else
>         @tree.setItemText(item, "Boing")
>         icon = makeIcon("testnode.ico")
>         @tree.setItemClosedIcon(item, icon)
>         @toggle = 7
>     end

You need to call create() on the icon after you construct it, e.g.

    icon = makeIcon("testnode.ico")
    icon.create
    @tree.setItemClosedIcon(item, icon)

Hope this helps,

Lyle