GtkAccessible

typedef struct {
  AtkObject parent;

  /*
   * The GtkWidget whose properties and features are exported via this 
   * accessible instance.
   */
  GtkWidget *widget;
} GtkAccessible;

gtk_accessible_connect_widget_destroyed ()

void                gtk_accessible_connect_widget_destroyed
                                                        (GtkAccessible *accessible);

This function specifies the callback function to be called when the widget corresponding to a GtkAccessible is destroyed.