wildfire2 config.pro option documentation for: ATB_IDENT_CADDS_FILES            

atb_ident_cadds_files

yes, no

controls the display of cadds models as file or directory icons in the fileopendialog box.

note:cadds 5 models are directories and not individual files.

• noodisplays cadds models as folder icons in the fileopendialog box for all files (*)selected in the typebox. for cadds5selected as the file type in the type box, cadds 5 models are displayed as file icons. you can open cadds 5 files only when you explicitly set the file type as cadds5.