Hello @swt-gis
I reproduced the behavior with a new DWG file and connected Shapefiles via FDO. I checked the system variables and the options. Unforntunately I have to tell you, that I didnt see any differences.
I will give you an overview about what I checked:
1) non successfull - compare system variables 1
- use the command SYSVDLG to get the list of all system variables
- new window "System variables appears"
- save all system variables in a svf file before and after changing the draw order
- Compare them with an corresponding tool
2) non successfull - compare system variables 2
- use the command SYSVARMONITOR to open the System variables monitor
- the monitor shows you when system variables are changed
Furthermore I created one DWG/DXF file "before" and one DWG file "after" to compare the options and the files itself.
3) non sucessful - compared the OPTIONS
- I saved a DWG file before and after changing the draw order
- I compared the options (DWG before, DWG after) on two monitors to see the differences
4) non sucessful - compare the DWG
- binary, you can not compare
But there are another options you can try:
5) Compare the DXF
- they are non binary and you can check if the information is stored there
- create a DXF file before and after you changed the draw order
- compare them with corresponding software
6) After I selected the option Continue action and allow Draw Ordner to control layer position from now on, I was able to press Undo to undo my choice.
The popup window appeared again.
7) Create a new DWG/Project with the default draw order
Please let me know if this solved your issue. If so please dont hesitate to mark this post as solution or let me know if you need any additional help.
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Thomas Stühle
Technical Support Specialist