When you lock a layer, you prevent any object on that layer from being selected. Hiding a layer makes all the objects on that layer invisible, and therefore also prevents them from being selected or changed.
In the Layers panel, click the Lock icon next to the name.
To unlock a layer, click the icon.
To lock or unlock multiple layers at once, drag the mouse vertically across the Lock or Unlock .
In the Layers panel, click the Visibility icon .
If you press ALT+click on a Lock icon , Microsoft Expression Design locks all the layers except the layer you clicked, unless all the other layers are currently locked, in which case pressing ALT+click unlocks them all.
Similarly, you can toggle the visibility state of all the layers except one (making them all visible or all hidden) by pressing ALT+click on the layer's Visibility icon .
To show or hide multiple layers at once, drag the mouse vertically across the Visibility icon .
