creo4 config.pro option documentation for: DISPLAY_POPUP_VIEWER

display_popup_viewer
file_open_only
*
, yes
, no
Controls the display of the popup viewer depending on the values you specify. The values are as follows:
file_open_only
- Displays the popup viewer only in the File Open
dialog box. This is the default.
yes
- Displays the popup viewer in the File Open
dialog box, Creo Parametric
browser, and the Model Tree.
no
- Disables the display of the popup viewer