gtk/window.go
func (v *Window) GetHideTitlebarWhenMaximized() bool {
	c := C.gtk_window_get_hide_titlebar_when_maximized(v.native())
	return gobool(c)
}
func (v *Window) GetHideTitlebarWhenMaximized() bool {
	c := C.gtk_window_get_hide_titlebar_when_maximized(v.native())
	return gobool(c)
}
// GetHideTitlebarWhenMaximized is a wrapper around
// gtk_window_get_hide_titlebar_when_maximized().