Appends the image targets supported by #GtkSelectionData to the target list. All targets are added with the same @info.
an ID that will be passed back to the application
whether to add only targets for which GTK+ knows how to convert a pixbuf into the format
2.6
See Implementation
Appends the image targets supported by #GtkSelectionData to the target list. All targets are added with the same @info.