func (ps *PaperSize) IsCustom() bool {
	c := C.gtk_paper_size_is_custom(ps.native())
	return gobool(c)
}
func (ps *PaperSize) IsCustom() bool {
	c := C.gtk_paper_size_is_custom(ps.native())
	return gobool(c)
}
func ( ps * PaperSize ) IsCustom ( ) bool { c := C . gtk_paper_size_is_custom ( ps . native ( ) ) return gobool ( c ) }
// IsCustom() is a wrapper around gtk_paper_size_is_custom().
IsCustom () is a wrapper around gtk_paper_size_is_custom () .