creo4 config.pro option documentation for: RIGHT_MOUSE_BUTTON_POPUP 
right_mouse_button_popup
Category: User Interface
Description: Specify whether or not the right mouse button pop up menu is available or not.
Values: yes, no
Default Values: yes
id="ww3_3_6_9_3_141_3" class="Body">Displays a description of an item in the message area after each selection.
no
- Displays descriptions for an item only while querying
yes
- Displays descriptions for items in all case, even when Query is not used. Queries include preselection highlighting, Next
and Previous
, and selections.