Assign a Linetype to a Layer
Work with Layers
Work with Colors
To delete a layer, use the Delete method.
You can delete a layer at any time during a drawing session. You cannot delete the current layer, layer 0, an xref-dependent layer, or a layer that contains objects.
NoteLayers
referenced by block definitions, along with the special layer named
DEFPOINTS, cannot be deleted even if they do not contain visible objects.