Question

How to lock and unlock layer in Flash CS6.​

Answer 1

Locking layers ensures that you don't accidentally move or delete the artwork it contains. Make a habit of locking layers whenever you aren't working with them. To prevent layer contents from being modified, click any layer in the column below the Padlock icon. To unlock it, click the Padlock icon again.

Answer 2

Locking and Unlocking a layer

Locking layers is particularly useful when many layers are used and the user does not want a particular layer or layers to be modified.

To lock a Layer:

In the timeline, click the Bullet button below the Lock/Unlock All layers button of the Layer that will be locked. Once clicked, the Bullet will change to the Lock/Unlock button.

To Unlock a Layer:

Click the Lock/Unlock button.