gtk/gtk.go
func FileChooserWidgetNew(action FileChooserAction) (*FileChooserWidget, error) {
	c := C.gtk_file_chooser_widget_new((C.GtkFileChooserAction)(action))
	if c == nil {
		return nil, nilPtrErr
	}
	obj := glib.Take(unsafe.Pointer(c))
	return wrapFileChooserWidget(obj), nil
}
func FileChooserWidgetNew(action FileChooserAction) (*FileChooserWidget, error) {
	c := C.gtk_file_chooser_widget_new((C.GtkFileChooserAction)(action))
	if c == nil {
		return nil, nilPtrErr
	}
	obj := glib.Take(unsafe.Pointer(c))
	return wrapFileChooserWidget(obj), nil
}
// FileChooserWidgetNew is a wrapper around gtk_file_chooser_widget_new().