Modify Selection enables you to edit properties for multiple objects of the same type or belonging
to the same parent system. Selecting multiple objects of different types or belonging
to different parent systems enables you to move and rotate the objects in the select
set. The Modify Selection Controls display when you select multiple objects. See Select 
in the View Manipulation Toolbar for information about the different methods for selecting multiple objects.
The Modify Selection controls depend on the objects in your select set. Modify Selection displays the following controls when you select objects of the same type in the same Parent System.
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The Parent System box displays Mixed Values and is read-only if the select set contains the same object types from different parent systems.
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The Name box displays Mixed Values and is read-only if the select set contains different object types.
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The Modify Selection dialog displays a padlock
in the title bar if the select set contains locked objects. You can change the Approval State of a locked object to Working if you have Write permissions for that object. Alternatively, click Remove All to remove the locked objects from your select set.
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The Remove All button is available in the Move
and Rotate 
controls.
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Add or remove items from the select set using the Modify Selection Controls
.
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You can modify object properties in the command view or in the Properties View.
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Move
, Rotate , Copy by Base Point 
, Paste 
, and Mirror Copy 
open separate dialogs.
What do you want to do?