To lock a layer:
- On the Layers panel, select the layer to be locked.
- Do one of the following:
- Tap Layer Options to see more layer options.
- Swipe left (on the layer).
- Choose Lock from the pop-out menu.
Use the same option to unlock, or tap the lock symbol on a layer's entry. This allows the object to be transformed again.
To unlock all layers (or layer objects):
- On the Layers panel, select Unlock All from the Panel Preferences menu.