This tests the GtkD widgets
tests notebook param nodebook
Executed when the user tries to close the window return true to refuse to close the window
the main Gtk struct
Get the main Gtk struct
the main Gtk struct as a void*
Returns the unique ID of the window. If the window has not yet been added to a gtk.Application, returns 0.
Returns whether the window will display a menubar for the app menu and menubar as needed.
Associates a shortcuts window with the application window, and sets up an action with the name win.show-help-overlay to present it.
Sets whether the window will display a menubar for the app menu and menubar as needed.