vlr-editor-reactor (AutoLISP/ActiveX)

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.

Type: List

A list of pairs of the following form:

(event-name . callback_function)

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

  Editor reactor events
  Event name	Description
  :vlr-beginClose	The drawing database is to be closed.
  :vlr-beginDxfIn	The contents of a DXF file are to be appended to the drawing database.
  :vlr-abortDxfIn	The DXF import was not successful.
  :vlr-dxfInComplete	The DXF import completed successfully.
  :vlr-beginDxfOut	AutoCAD is about to export the drawing database into a DXF file.
  :vlr-abortDxfOut	DXF export operation failed.
  :vlr-dxfOutComplete	DXF export operation completed successfully.
  :vlr-databaseToBeDestroyed	The contents of the drawing database are about to be deleted from memory.
  :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.
  :vlr-lispWillStart	An AutoLISP expression is to be evaluated.
  :vlr-lispEnded	Evaluation of an AutoLISP expression has completed.
  :vlr-lispCancelled	Evaluation of an AutoLISP expression has been canceled.
  :vlr-beginDwgOpen	AutoCAD is about to open a drawing file.
  :vlr-endDwgOpen	AutoCAD has ended the open operation.
  :vlr-dwgFileOpened	A new drawing has been loaded into the AutoCAD window.
  :vlr-beginSave	AutoCAD is about to save the drawing file.
  :vlr-saveComplete	AutoCAD has saved the current drawing to disk.
  :vlr-sysVarWillChange	AutoCAD is about to change the value of a system variable.
  :vlr-sysVarChanged	The value of a system variable has changed.

• 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 of extra data elements associated with the particular event. The contents of this list for particular events are shown in the “Editor reactor callback data” table.

  Editor reactor callback data
  Name	List length	Parameters
  :vlr-lispEnded :vlr-lispCancelled :vlr-beginClose :vlr-beginDxfIn :vlr-abortDxfIn :vlr-dxfInComplete :vlr-beginDxfOut :vlr-abortDxfOut :vlr-dxfOutComplete :vlr-databaseToBeDestroyed	0
  :vlr-unknownCommand :vlr-commandWillStart :vlr-commandEnded :vlr-commandCancelled :vlr-commandFailed	1	A string containing the command name.
  :vlr-lispWillStart	1	A string containing the first line of the AutoLISP expression to evaluate.
  :vlr-beginDwgOpen :vlr-endDwgOpen :vlr-dwgFileOpened	1	A string identifying the file to open.
  :vlr-beginSave	2	First parameter is the database object to save at. Second parameter is a string containing the default file name for save, which may be changed by the user.
  :vlr-saveComplete	2	First parameter is the database object to save at. Second parameter is a string containing the actual file name used for the save.
  :vlr-sysVarWillChange	1	A string naming the system variable.
  :vlr-sysVarChanged	2	First parameter is a string naming the system variable. Second parameter is an integer indicating whether the change was successful (1 = success, 0 = failed).