Did you mean:   imageUi = cmds.image(image=pic())   ?

I forget how well an image ui object updates but have you tried just editing 
the existing one?

    cmds.image(imageUi, e=True, image=pic())

The image command doesnt accept a callable as a value. You have to edit it with 
a new image. If for some reason the ui object just refresh well when being 
edited, the 2nd option is to delete it and create a new one. 



On Jun 9, 2012, at 7:31 AM, Matias Volonte <[email protected]> wrote:

> Hello everybody,
> 
> I have a panel and in that panel I am displaying an image using 
> cmds.image(name=pic() ) python parameter. The problem is that I want that 
> image to update, reload or refresh according to what object I have selected.I 
> wrote a function that does that but apparently cmds.image() does not accept 
> it just ask for a straight image paht.
> 
> if anyone can give me some kind of help will be appreciated, thanks.
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