val column_spacing : ([> `iconview ], int) Gobject.propertyval columns : ([> `iconview ], int) Gobject.propertyval item_width : ([> `iconview ], int) Gobject.propertyval margin : ([> `iconview ], int) Gobject.propertyval markup_column : ([> `iconview ], int) Gobject.propertyval model : ([> `iconview ], Gtk.tree_model option) Gobject.propertyval orientation : ([> `iconview ], GtkEnums.orientation) Gobject.propertyval pixbuf_column : ([> `iconview ], int) Gobject.propertyval row_spacing : ([> `iconview ], int) Gobject.propertyval selection_mode : ([> `iconview ], GtkEnums.selection_mode) Gobject.propertyval spacing : ([> `iconview ], int) Gobject.propertyval text_column : ([> `iconview ], int) Gobject.property