creo4 config.pro option documentation for: AUTO_SHOW_3D_DETAIL_ITEMS 
use_master_for_bad_disp_reps
Category: Without category
Description: Yes to retrieve master rep when graphics rep has no display data.
Values: yes, no
Default Values: no
pan class="codeph">no
Sets the default state of the Top Clearance
check box of the Hole feature. Applies to creating a new hole, but not to editing the definition of an existing hole.
auto
*
- The Top Clearance
state is automatically determined based on the placement references. Once you change the check box manually, the automatic setting no longer applies to the current hole.
yes
- Top Clearance
is selected by default.
no
- Top Clearance
is cleared by default.