[Tkinter-discuss] Lazy updating of image data in ttk widgets

[Emiliano Gavilan]

2013/3/8 Michael Lange <klappnase at web.de>:
> Hi,
>
> I noticed that image data in ttk widgets seem to be updated only when the
> widget receives keyboard focus or the mouse pointer enters the widget.
> A simple example of what I mean:


This is Tk bug #3462273
(http://sourceforge.net/tracker/?func=detail&atid=112997&aid=3462273&group_id=12997)

The workaround is to force the widget redraw. For example, sending an
<Expose> event.

Regards
Emiliano