Sets the #GtkWidget corresponding to the #GtkAccessible.
accessible will not hold a reference to widget.
It is the caller’s responsibility to ensure that when widget
is destroyed, the widget is unset by calling this function
again with widget set to null.
Sets the #GtkWidget corresponding to the #GtkAccessible.
accessible will not hold a reference to widget. It is the caller’s responsibility to ensure that when widget is destroyed, the widget is unset by calling this function again with widget set to null.