To Attach an Existing WMS

Do one of the following:

From the Raster Manager File menu, choose Attach > WMS.

or
In the Raster Manager dialog, click the Attach icon and select WMS in the drop-down menu.

The Attach Raster Reference dialog opens.
Use controls in the Attach Raster Reference dialog to select the WMS file.
(Optional) Turn on Raster Preview, to preview the file being attached.
Click Open.
The Raster Attachment Options dialog opens.
Modify the attachment settings, as required, then click Attach.
Note: Note that WMS files are always attached as read-only and the default Geo Priority is always "Image Header." WMS files cannot be placed interactively.