Gets the fields that need to be filled in for the #GtkFileFilterInfo passed to gtk_file_filter_filter()
This function will not typically be used by applications; it is intended principally for use in the implementation of #GtkFileChooser.
Return: bitfield of flags indicating needed fields when calling gtk_file_filter_filter()
2.4
See Implementation
Gets the fields that need to be filled in for the #GtkFileFilterInfo passed to gtk_file_filter_filter()
This function will not typically be used by applications; it is intended principally for use in the implementation of #GtkFileChooser.
Return: bitfield of flags indicating needed fields when calling gtk_file_filter_filter()