Manages and inserts content such as blocks, xrefs, and hatch patterns.

Opens the External References palette.

Closes the External References palette.

Controls the display of icons and notifications in the status bar tray.

Inserts a DWG file as an external reference (xref).

Starts the EXTERNALREFERENCES command.

Indicates whether the External References palette is open or closed.

Controls whether layer and spatial indexes are created and saved in drawing files.

Controls whether a tray is displayed on the status bar.

Controls whether service notifications are displayed in the status bar tray.

Controls the length of time (in seconds) that service notifications are displayed.

Controls the properties of xref-dependent layers.

Controls the dimming for all DWG xref objects.

Turns xref demand-loading on and off, and controls whether it opens the referenced drawing or a copy.

Creates a path for storing temporary copies of demand-loaded xref files.

Controls the notification for updated or missing xrefs.