I have a bunch of buttons on a window that use -picture .bmp
images to show if the button is on or off.
The data for the buttons on and off state comes from a
file that changes all the time.
What's the proper way to refresh the window and hence re-draw
all of the button objects on the window?
I am not adding any new objects to the window, I just want to
re-draw them all to reflect their on/off state.
Looking at the gui docs, not sure what is the correct way to
Thanks for any help