You can run certain Visual Compare command and system variables from the command line.
Command
- VCOMPARE
- Visually compares the objects of an open drawing with another drawing.
System Variables
- AECVCOMPAREIGNOREHATCH
- Specifies whether hatch differences are included during visual comparison.
- AECVCOMPAREIGNORETEXT
- Specifies whether text differences are included during visual comparison.
- AECVCOMPARENEWCOLOR
- Sets the color for new objects when comparing drawings or versions of a drawing.
- AECVCOMPAREOLDCOLOR
- Sets the color for removed objects when comparing drawings or versions of a drawing.
- AECVCOMPAREUNCHANGEDCOLOR
- Sets the color for unchanged objects comparing drawings or versions of a drawing.