PDFFRAME system variable
Function Description:
The PDFFRAME system variable is used to determine whether the PDF lay frame is visible.
Type : Integer
Saved in : Drawing
Initial value : 1
Range : 0,1,2
System Variable Value:
0 : do not display and plot PDF underlay frame
Temporarily display the frame when previewing selection or selecting objects
1 : display and plot PDF underlay frames
2 : display but do not plot PDF underlay frame