creo6 config.pro option documentation for: HIGH_DPI_ENABLED 
high_dpi_enabled
yes
*
, no
Controls the High-DPI Awareness for Creo.
yes
*
- Enables High-DPI Awareness. Graphical user interface elements and controls are scaled according to the DPI in use on the desktop.
no
- Disables High-DPI Awareness. Graphical user interface elements and controls appear without scaling according to the DPI in use on the desktop