Unlocking a Device

To remove a lock on a device:

From the layout window menu bar, choose Window – Assistants – Constraint Manager.
The Constraint Manager assistant is displayed.
Choose the constraint you want to delete and click the Delete icon in the Constraint Manager toolbar.
The constraint is removed from the device.

You can also remove the locked constraint by changing the Placement Status in the Property Editor assistant.

To lock a device using the Property Editor assistant:

From the layout window menu bar, choose Window – Assistants – Property Editor.
The Property Editor assistant is displayed.
In the canvas, select the device you want to unlock.
The property information for the selected device is displayed in the Property Editor assistant.
In the Property Editor assistant, select the Placement Status field and change the value from locked to none.
The locked constraint is removed from the selected device. The Constraint Manager assistant is updated accordingly.