Method
GdkWindowget_update_area
Declaration [src]
cairo_region_t*
gdk_window_get_update_area (
GdkWindow* window
)
Description [src]
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,
gdk_window_get_update_area() returns NULL. You are responsible for
calling cairo_region_destroy() on the returned region if it’s non-NULL.
Return value
Type: cairo_region_t
The update area for window.
| The caller of the method takes ownership of the returned data, and is responsible for freeing it. |