gdkWindowGetUpdateArea: gdkWindowGetUpdateArea
Description
Transfers ownership of the update area from window
to the caller
of the function. That is, after calling this function, window
will
no longer have an invalid/dirty region; the update area is removed
from window
and handed to you. If a window has no update area,
gdkWindowGetUpdateArea
returns NULL
.Usage
gdkWindowGetUpdateArea(object)