func (ps *PrintSettings) GetLength(key string, unit Unit) float64 {
	cstr := C.CString(key)
	defer C.free(unsafe.Pointer(cstr))
	c := C.gtk_print_settings_get_length(ps.native(), (*C.gchar)(cstr), C.GtkUnit(unit))
	return float64(c)
}
func (ps *PrintSettings) GetLength(key string, unit Unit) float64 {
	cstr := C.CString(key)
	defer C.free(unsafe.Pointer(cstr))
	c := C.gtk_print_settings_get_length(ps.native(), (*C.gchar)(cstr), C.GtkUnit(unit))
	return float64(c)
}
func ( ps * PrintSettings ) GetLength ( key string , unit Unit ) float64 { cstr := C . CString ( key ) defer C . free ( unsafe . Pointer ( cstr ) ) c := C . gtk_print_settings_get_length ( ps . native ( ) , ( * C . gchar ) ( cstr ) , C . GtkUnit ( unit ) ) return float64 ( c ) }
// GetLength() is a wrapper around gtk_print_settings_get_length().
GetLength () is a wrapper around gtk_print_settings_get_length () .