Statement orders

[Fredrik Lundh]

Monu Agrawal wrote:

> Hi I am making a gui based tool. When user preses a perticular button I
> am running a heavy command, before this I want to say user to wait with
> a image showing infront of her.
>
> My code is like:
>
> def loadData(self):
>    top=Toplevel(self.parent)
>    top.focus_set()
>    self.parent.wm_title("Loading Data...")

+    top.update() # flush the event queue

>    os.system('a heavy command')
>    os.system('another heavy command)
>    top.destroy()

</F>