www.creosite.com© O. Corten

creo8 config.pro option documentation for: DEFAULT_OPEN_DRAWING_SHEET            

default_open_drawing_sheet

Specifies the default sheet on which to retrieve a drawing. This option does not apply when retrieving a drawing with a drawing representation that specifies a sheet in the Drawing Display attributes in the Drawing Representation Tool.
last_saved* - The drawing is retrieved on the sheet that was active when the drawing was last saved.
first - The drawing is retrieved on the first sheet.