Add the writable image targets supported by #GtkSelectionData to the target list of the drag source. The targets are added with info = 0. If you need another value, use gtk.target_list.TargetList.addImageTargets and gtk.widget.Widget.dragSourceSetTargetList.
Add the writable image targets supported by #GtkSelectionData to the target list of the drag source. The targets are added with info = 0. If you need another value, use gtk.target_list.TargetList.addImageTargets and gtk.widget.Widget.dragSourceSetTargetList.