A background of null means that the window won't have any background. On the
X11 backend it's also possible to inherit the background from the parent
window using gdk_x11_get_parent_relative_pattern().
The windowing system will normally fill a window with its background
when the window is obscured then exposed.
Sets the background of window.
A background of null means that the window won't have any background. On the X11 backend it's also possible to inherit the background from the parent window using gdk_x11_get_parent_relative_pattern().
The windowing system will normally fill a window with its background when the window is obscured then exposed.