Constructs
an editor reactor object that notifies of a drawing event (for example,
opening or closing a drawing file)
(vlr-dwg-reactor data callbacks)
Arguments
- data
-
Any AutoLISP data to
be associated with the reactor object; otherwise nil if no data.
- callbacks
-
A list of pairs of the
following form:
(event-name . callback_function)
where event-name is
one of the symbols listed in the “DWG reactor events” table
below, and callback_function is a symbol
representing a function to be called when the event occurs. 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 “DWG reactor
callback data” table.
Return Values
The reactor_object argument.
DWG reactor events
|
Event name
|
Description
|
:vlr-beginClose
|
The drawing database is to be closed.
|
:vlr-databaseConstructed
|
A drawing database has been constructed.
|
:vlr-databaseToBeDestroyed
|
The contents of the drawing database are about
to be deleted from memory.
|
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.
|
DWG reactor callback data
|
Name
|
List length
|
Parameters
|
:vlr-beginClose :vlr-databaseConstructed :vlr-databaseToBeDestroyed
|
0
|
|
:vlr-beginDwgOpen :vlr-endDwgOpen :vlr-dwgFileOpened
|
1
|
A string identifying the file to open.
|
:vlr-beginSave
|
2
|
First paramter is the acaddbase object
to save at. Second paramter is a
string containing the default file name for save, which may be changed
by the user.
|
:vlr-saveComplete
|
2 |
First paramter is the acaddbase object
to save at. Second paramater is a
string containing the actual file name used for the save.
|