When you lock a Layer, you cannot modify entities on that Layer. When selecting entities on locked Layers, grips do not display.
Use the LockLayer command to lock one or several Layers by selecting entities. Alternatively, you can lock Layers using the Layers Manager.
To lock a Layer:
- or -
Specify the Multiple option, then specify the entities on the Layers you want to lock, and press Enter to complete the command.
Access
Command: LockLayer
Menu: Format > Layer Tools > Lock Layer
Ribbon: Home > Layers > (Flyout) Lock Layer