# Synopsis

PDX_MSGT gdx_CBSReplaceSurf(long option, MDA_PTR cbs_ptr, MDA_PTR surf_ptr1, MDA_PTR surf_ptr2)

# Description

This function is to replace the surface in a CBS and its edge curves with a new surface.

# Input

## option

Options (not used)

## cbs_ptr

The CBS

## surf_ptr1

The original surface

## surf_ptr2

The new surface

# Output

## cbs_ptr

The CBS

# Return

          GDX_NOERR
          Low level error return
          .fi