Changes the properties of an object
Manages layers and layer properties
Undoes the last change or set of changes made to layer settings
Turns the tracking of changes made to layer settings on and off
Controls properties of existing objects
Removes unused named items, such as block definitions and layers, from the drawing
Changes the names of named objects
Sets the current layer
Indicates if there are any layers with viewport (VP) property overrides for the current layout viewport
Controls whether layer property overrides for layout viewports are displayed and plotted