gtk/app_chooser.go
func (v *AppChooserWidget) SetShowFallback(setting bool) {
	C.gtk_app_chooser_widget_set_show_fallback(v.native(), gbool(setting))
}
func (v *AppChooserWidget) SetShowFallback(setting bool) {
	C.gtk_app_chooser_widget_set_show_fallback(v.native(), gbool(setting))
}
// SetShowFallback() is a wrapper around gtk_app_chooser_widget_set_show_fallback().