Solution : https://service.sap.com/sap/support/notes/832297 (SAP Service marketplace login required)
Key words :
selecting individual document info records, display viewable original files, document info records, document info record, enter original files, relevant original file, enter workstation application, separate screen area, cdesk_thumbnails_new customizing parameter, cad desktop functions
Related Notes :
883422 | CDESK: New BAdI methods for thumbnails |