Locking a mask prevents you from selecting it in the Timeline, Composition, and Layer panels or setting it as a target in the Layer panel. Use this feature to avoid unwanted changes to the mask.
next to
the mask you want to lock or unlock. A mask is locked and cannot
be selected when its Lock switch is selected—i.e., when the Lock
icon appears in the box.
Send me an e-mail when comments are added to this page | Comment Report
Current page: http://livedocs.adobe.com/en_US/AfterEffects/8.0/WSAD415293-7408-4036-9577-59C6C2952289.html
Comments
Comments are no longer accepted for After Effects CS3. After Effects CS4 is the current version. To discuss After Effects CS3, please use the Adobe forum.