Layers and Layer Properties
1.New Layer
Creates a layer with a default name that you can immediately change. The new layer inherits the properties of the currently selected layer in the layer list.
2.New Layer Frozen VP In All Viewports
Creates a layer and freezes it in all existing layout viewports. This button is accessible from the Model tab or layout tabs.
3.Delete Layer
Deletes selected layers. The following layers cannot be deleted:
4.Layers 0 and Defpoints
Layers containing objects, including objects in block definitions
The current layer
Layers used in an external reference
Layers in a partially opened drawing (Not applicable to AutoCAD LT.)
Note: Be careful about deleting layers if you are working on a drawing in a shared 5.project or one based on a set of layering standards.
Set Current
Sets the selected layer as the current layer. New objects are automatically created on the current layer. (CLAYER system variable)
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