Layer toolbar

Change an object's layer.

Change an object's layer to match another object.

Copy objects to a layer.

Manage layer properties.

关闭图层对话框。

设定目前的图层。

Set the current layer to match a specified object.

将所有关闭的图层打开。

Save and restore the current layer state.

Turn off an object's layer.

Turn a layer on and all other layers off.