Hello. :-) I found this guide : https://www.kksou.com/php-gtk2/sample-codes/display-a-list-of-thumbnail-images-using-GtkIconView.php This guide used 'Pixbuf' for use fromFile method, but GtkD don't have it. : https://api.gtkd.org/gdkpixbuf.Pixbuf.Pixbuf.html Is there any other way? Thanks.