Code:static void spa_on_export_movie(GtkWidget *widget, gpointer user_data) { GtkWidget *file_selector = (GtkWidget *)user_data; const gchar *selected_filename; SWFMovie *movie = NULL; gpointer ptr = g_object_get_data(G_OBJECT( user_data ), "view"); SpaView *view = SPA_VIEW(ptr); selected_filename = gtk_file_selection_get_filename (GTK_FILE_SELECTION (file_selector)); //movie = spa_swf_movie_new( ); movie = spa_swf_movie_new( SPA_CANVAS(view->canvas) ); SWFMovie_save(*movie, selected_filename, 9); }