vlr-command-reactor (AutoLISP/ActiveX)

Constructs an editor reactor that notifies of a command event

Supported Platforms: Windows only

Signature

(vlr-command-reactor data callbacks)

data

Type: Integer, Real, String, List, VLA-object, Safearray, Variant, T, or nil

Any AutoLISP data to be associated with the reactor object; otherwise nil if no data is to be associated with the reactor.

callbacks

Type: List

A list of pairs of the following form:

(event-name . callback_function )

• event-name is one of the following Command reactor events:

  Command reactor events
  Event name	Description
  :vlr-unknownCommand	A command not known to AutoCAD was issued.
  :vlr-commandWillStart	An AutoCAD command has been called.
  :vlr-commandEnded	An AutoCAD command has completed.
  :vlr-commandCancelled	An AutoCAD command has been canceled.
  :vlr-commandFailed	An AutoCAD command failed to complete.

• callback_function is a symbol representing a function to be called when the event fires.

  Each callback function accepts two arguments:

  reactor_object -- The VLR object that called the callback function.

  list -- A list containing a single element, the string identifying the command.

Return Values

Type: VLR object

The reactor_object argument from the callback_function.

Examples

N/A