Declaration [src]

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.