CityCAD Online Help
You can undo the last action in three ways:
You can repeat this to undo several previous actions.
By default, 100 actions will be remembered and can be undone. This can be adjusted in the Advanced Preferences. However, we recommend these settings are not changed unless you experience problems with the default setting.
Once you have undone one or more actions, you can Redo the actions in the following three ways:
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