REVERT command (Express Tools)
Closes the current drawing without saving and reopens it.
Icon: 
Method
If there are unsaved changes in the current drawing, BricsCAD asks if you want to discard the changes.
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English
Closes the current drawing without saving and reopens it.
Icon:
If there are unsaved changes in the current drawing, BricsCAD asks if you want to discard the changes.
REVERT command (Express Tools) - BricsCAD Lite & Pro | Bricsys Help Center