gtkFileFilterAddCustom: gtkFileFilterAddCustom
In RGtk2: R Bindings for Gtk 2.8.0 and Above

Description Usage Arguments Details Author(s)

Adds rule to a filter that allows files based on a custom callback function. The bitfield needed which is passed in provides information about what sorts of information that the filter function needs; this allows GTK+ to avoid retrieving expensive information when it isn't needed by the filter.

1	gtkFileFilterAddCustom(object, needed, func, data = NULL)

`object`	a `GtkFileFilter`
`needed`	bitfield of flags indicating the information that the custom filter function needs.
`func`	callback function; if the function returns `TRUE`, then the file will be displayed.
`data`	data to pass to `func`